./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/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_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/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_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/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 408c4c5015fbe216820b33249ea8757673c3b33272002f56df36489c1631c6b2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:06:45,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:06:45,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:06:45,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:06:45,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:06:45,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:06:45,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:06:45,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:06:45,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:06:45,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:06:45,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:06:45,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:06:45,935 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:06:45,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:06:45,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:06:45,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:06:45,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:06:45,937 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:06:45,938 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:06:45,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:06:45,939 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:06:45,940 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:06:45,940 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:06:45,941 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:06:45,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:06:45,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:06:45,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:06:45,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:06:45,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:06:45,943 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:06:45,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:06:45,944 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:06:45,948 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_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 408c4c5015fbe216820b33249ea8757673c3b33272002f56df36489c1631c6b2 [2023-12-02 23:06:46,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:06:46,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:06:46,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:06:46,236 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:06:46,236 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:06:46,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_bad.i [2023-12-02 23:06:49,123 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:06:49,518 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:06:49,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_bad.i [2023-12-02 23:06:49,544 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/data/a90f390c1/b0ff1d12e9d4478ab9bde12af5a58237/FLAGb78537226 [2023-12-02 23:06:49,559 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/data/a90f390c1/b0ff1d12e9d4478ab9bde12af5a58237 [2023-12-02 23:06:49,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:06:49,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:06:49,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:06:49,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:06:49,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:06:49,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:06:49" (1/1) ... [2023-12-02 23:06:49,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff565e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:49, skipping insertion in model container [2023-12-02 23:06:49,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:06:49" (1/1) ... [2023-12-02 23:06:49,640 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:06:50,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:06:50,765 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:06:50,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:06:51,003 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:06:51,003 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:06:51,004 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:06:51,004 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:06:51,011 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:06:51,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:51 WrapperNode [2023-12-02 23:06:51,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:06:51,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:06:51,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:06:51,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:06:51,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:51" (1/1) ... [2023-12-02 23:06:51,046 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:51" (1/1) ... [2023-12-02 23:06:51,071 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2023-12-02 23:06:51,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:06:51,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:06:51,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:06:51,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:06:51,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:51" (1/1) ... [2023-12-02 23:06:51,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:51" (1/1) ... [2023-12-02 23:06:51,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:51" (1/1) ... [2023-12-02 23:06:51,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:51" (1/1) ... [2023-12-02 23:06:51,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:51" (1/1) ... [2023-12-02 23:06:51,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:51" (1/1) ... [2023-12-02 23:06:51,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:51" (1/1) ... [2023-12-02 23:06:51,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:51" (1/1) ... [2023-12-02 23:06:51,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:06:51,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:06:51,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:06:51,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:06:51,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:51" (1/1) ... [2023-12-02 23:06:51,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:06:51,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:06:51,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:06:51,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:06:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:06:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:06:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:06:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:06:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:06:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:06:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:06:51,323 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:06:51,326 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:06:51,425 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:06:51,469 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:06:51,470 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:06:51,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:06:51 BoogieIcfgContainer [2023-12-02 23:06:51,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:06:51,473 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:06:51,473 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:06:51,485 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:06:51,485 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:06:51" (1/1) ... [2023-12-02 23:06:51,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:06:51,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:51,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 23:06:51,559 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 23:06:51,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:06:51,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:51,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:06:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:06:51,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:06:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:06:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:06:51,756 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:06:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:06:51,782 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:06:51,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-02 23:06:51,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:06:51 ImpRootNode [2023-12-02 23:06:51,807 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:06:51,808 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:06:51,808 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:06:51,808 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:06:51,809 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:06:51" (3/4) ... [2023-12-02 23:06:51,811 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:06:51,813 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:06:51,814 INFO L158 Benchmark]: Toolchain (without parser) took 2250.37ms. Allocated memory is still 155.2MB. Free memory was 120.7MB in the beginning and 75.3MB in the end (delta: 45.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-02 23:06:51,814 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:06:51,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1447.76ms. Allocated memory is still 155.2MB. Free memory was 120.7MB in the beginning and 107.8MB in the end (delta: 12.9MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-12-02 23:06:51,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.12ms. Allocated memory is still 155.2MB. Free memory was 107.8MB in the beginning and 104.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:06:51,816 INFO L158 Benchmark]: Boogie Preprocessor took 25.39ms. Allocated memory is still 155.2MB. Free memory was 104.8MB in the beginning and 103.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:06:51,817 INFO L158 Benchmark]: RCFGBuilder took 374.48ms. Allocated memory is still 155.2MB. Free memory was 103.7MB in the beginning and 90.1MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:06:51,818 INFO L158 Benchmark]: CodeCheck took 334.21ms. Allocated memory is still 155.2MB. Free memory was 90.1MB in the beginning and 75.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:06:51,818 INFO L158 Benchmark]: Witness Printer took 4.67ms. Allocated memory is still 155.2MB. Free memory was 75.3MB in the beginning and 75.3MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:06:51,822 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: 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)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] data = (-0x7fffffff - 1) 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] [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) 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] [L1559] data - 1 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 0.24ms. Allocated memory is still 121.6MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1447.76ms. Allocated memory is still 155.2MB. Free memory was 120.7MB in the beginning and 107.8MB in the end (delta: 12.9MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.12ms. Allocated memory is still 155.2MB. Free memory was 107.8MB in the beginning and 104.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.39ms. Allocated memory is still 155.2MB. Free memory was 104.8MB in the beginning and 103.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 374.48ms. Allocated memory is still 155.2MB. Free memory was 103.7MB in the beginning and 90.1MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 334.21ms. Allocated memory is still 155.2MB. Free memory was 90.1MB in the beginning and 75.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.67ms. Allocated memory is still 155.2MB. Free memory was 75.3MB in the beginning and 75.3MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~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 23:06:51,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/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_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/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_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/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 408c4c5015fbe216820b33249ea8757673c3b33272002f56df36489c1631c6b2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:06:54,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:06:54,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 23:06:54,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:06:54,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:06:54,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:06:54,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:06:54,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:06:54,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:06:54,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:06:54,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:06:54,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:06:54,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:06:54,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:06:54,339 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:06:54,340 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:06:54,340 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:06:54,341 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:06:54,342 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:06:54,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:06:54,343 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:06:54,344 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:06:54,344 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:06:54,345 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:06:54,345 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:54,346 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:06:54,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:06:54,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:06:54,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:06:54,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:06:54,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:06:54,349 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:06:54,349 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:54,349 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:06:54,350 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:06:54,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:06:54,350 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_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 408c4c5015fbe216820b33249ea8757673c3b33272002f56df36489c1631c6b2 [2023-12-02 23:06:54,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:06:54,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:06:54,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:06:54,734 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:06:54,735 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:06:54,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_bad.i [2023-12-02 23:06:57,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:06:58,015 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:06:58,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_bad.i [2023-12-02 23:06:58,038 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/data/13d980e4f/fd8c84ab0ba24539ae3594d3e2ead1a6/FLAG3dfccb414 [2023-12-02 23:06:58,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/data/13d980e4f/fd8c84ab0ba24539ae3594d3e2ead1a6 [2023-12-02 23:06:58,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:06:58,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:06:58,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:06:58,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:06:58,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:06:58,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:06:58" (1/1) ... [2023-12-02 23:06:58,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f94357b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:58, skipping insertion in model container [2023-12-02 23:06:58,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:06:58" (1/1) ... [2023-12-02 23:06:58,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:06:58,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:06:58,811 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:06:58,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:06:58,997 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:06:58,998 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:06:58,998 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:06:58,998 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:06:59,004 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:06:59,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:59 WrapperNode [2023-12-02 23:06:59,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:06:59,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:06:59,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:06:59,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:06:59,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:59" (1/1) ... [2023-12-02 23:06:59,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:59" (1/1) ... [2023-12-02 23:06:59,061 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2023-12-02 23:06:59,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:06:59,062 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:06:59,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:06:59,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:06:59,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:59" (1/1) ... [2023-12-02 23:06:59,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:59" (1/1) ... [2023-12-02 23:06:59,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:59" (1/1) ... [2023-12-02 23:06:59,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:59" (1/1) ... [2023-12-02 23:06:59,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:59" (1/1) ... [2023-12-02 23:06:59,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:59" (1/1) ... [2023-12-02 23:06:59,088 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:59" (1/1) ... [2023-12-02 23:06:59,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:59" (1/1) ... [2023-12-02 23:06:59,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:06:59,097 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:06:59,097 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:06:59,097 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:06:59,098 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:06:59" (1/1) ... [2023-12-02 23:06:59,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:06:59,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:06:59,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:06:59,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:06:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:06:59,170 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:06:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:06:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:06:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:06:59,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:06:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:06:59,322 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:06:59,324 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:06:59,422 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:06:59,468 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:06:59,469 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:06:59,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:06:59 BoogieIcfgContainer [2023-12-02 23:06:59,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:06:59,471 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:06:59,471 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:06:59,481 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:06:59,481 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:06:59" (1/1) ... [2023-12-02 23:06:59,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:06:59,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:59,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 23:06:59,543 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 23:06:59,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:06:59,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:59,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:59,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:59,549 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:59,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:06:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:06:59,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:06:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:06:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:06:59,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:06:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:06:59,852 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:06:59,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:06:59,861 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:06:59,881 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-02 23:06:59,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:06:59 ImpRootNode [2023-12-02 23:06:59,889 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:06:59,890 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:06:59,890 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:06:59,890 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:06:59,891 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:06:59" (3/4) ... [2023-12-02 23:06:59,893 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:06:59,894 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:06:59,895 INFO L158 Benchmark]: Toolchain (without parser) took 1838.95ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 61.4MB in the beginning and 57.1MB in the end (delta: 4.3MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2023-12-02 23:06:59,895 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 88.1MB. Free memory was 64.0MB in the beginning and 63.8MB in the end (delta: 149.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:06:59,896 INFO L158 Benchmark]: CACSL2BoogieTranslator took 948.47ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 61.2MB in the beginning and 62.1MB in the end (delta: -979.6kB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-12-02 23:06:59,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.89ms. Allocated memory is still 109.1MB. Free memory was 62.1MB in the beginning and 59.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:06:59,897 INFO L158 Benchmark]: Boogie Preprocessor took 33.52ms. Allocated memory is still 109.1MB. Free memory was 59.4MB in the beginning and 57.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:06:59,898 INFO L158 Benchmark]: RCFGBuilder took 373.74ms. Allocated memory is still 109.1MB. Free memory was 57.3MB in the beginning and 71.8MB in the end (delta: -14.5MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2023-12-02 23:06:59,899 INFO L158 Benchmark]: CodeCheck took 417.85ms. Allocated memory is still 109.1MB. Free memory was 71.8MB in the beginning and 57.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:06:59,899 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 109.1MB. Free memory was 57.7MB in the beginning and 57.1MB in the end (delta: 603.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:06:59,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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_sub_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] data = (-0x7fffffff - 1) 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] [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) 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] [L1559] data - 1 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 0.38ms. Allocated memory is still 88.1MB. Free memory was 64.0MB in the beginning and 63.8MB in the end (delta: 149.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 948.47ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 61.2MB in the beginning and 62.1MB in the end (delta: -979.6kB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.89ms. Allocated memory is still 109.1MB. Free memory was 62.1MB in the beginning and 59.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.52ms. Allocated memory is still 109.1MB. Free memory was 59.4MB in the beginning and 57.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 373.74ms. Allocated memory is still 109.1MB. Free memory was 57.3MB in the beginning and 71.8MB in the end (delta: -14.5MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * CodeCheck took 417.85ms. Allocated memory is still 109.1MB. Free memory was 71.8MB in the beginning and 57.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 109.1MB. Free memory was 57.7MB in the beginning and 57.1MB in the end (delta: 603.1kB). 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 23:06:59,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e3b9c1-354d-461b-b2e4-00bd8fc14638/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