./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_13_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_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/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_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/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_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/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 e46abb8d7a60f241c1b3f995556bb1c75f746a58d4c817a32c3ccd6d4bd584aa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:30:35,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:30:35,489 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:30:35,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:30:35,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:30:35,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:30:35,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:30:35,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:30:35,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:30:35,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:30:35,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:30:35,520 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:30:35,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:30:35,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:30:35,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:30:35,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:30:35,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:30:35,523 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:30:35,523 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:30:35,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:30:35,524 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:30:35,525 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:30:35,526 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:30:35,526 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:30:35,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:30:35,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:30:35,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:30:35,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:30:35,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:30:35,528 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:30:35,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:30:35,529 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:30:35,530 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_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e46abb8d7a60f241c1b3f995556bb1c75f746a58d4c817a32c3ccd6d4bd584aa [2023-12-02 23:30:35,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:30:35,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:30:35,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:30:35,803 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:30:35,804 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:30:35,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_13_bad.i [2023-12-02 23:30:38,588 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:30:38,896 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:30:38,897 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_13_bad.i [2023-12-02 23:30:38,921 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/data/d1532fc4e/accc47e18b364f4f8fd8f2c9814c6e4a/FLAG39e07e01c [2023-12-02 23:30:38,936 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/data/d1532fc4e/accc47e18b364f4f8fd8f2c9814c6e4a [2023-12-02 23:30:38,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:30:38,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:30:38,942 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:30:38,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:30:38,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:30:38,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:30:38" (1/1) ... [2023-12-02 23:30:38,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ecfb456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:38, skipping insertion in model container [2023-12-02 23:30:38,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:30:38" (1/1) ... [2023-12-02 23:30:39,005 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:30:39,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:30:39,809 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:30:39,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:30:40,011 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:40,011 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:40,011 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:40,011 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:40,017 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:30:40,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:40 WrapperNode [2023-12-02 23:30:40,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:30:40,019 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:30:40,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:30:40,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:30:40,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:40" (1/1) ... [2023-12-02 23:30:40,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:40" (1/1) ... [2023-12-02 23:30:40,076 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2023-12-02 23:30:40,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:30:40,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:30:40,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:30:40,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:30:40,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:40" (1/1) ... [2023-12-02 23:30:40,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:40" (1/1) ... [2023-12-02 23:30:40,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:40" (1/1) ... [2023-12-02 23:30:40,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:40" (1/1) ... [2023-12-02 23:30:40,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:40" (1/1) ... [2023-12-02 23:30:40,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:40" (1/1) ... [2023-12-02 23:30:40,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:40" (1/1) ... [2023-12-02 23:30:40,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:40" (1/1) ... [2023-12-02 23:30:40,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:30:40,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:30:40,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:30:40,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:30:40,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:40" (1/1) ... [2023-12-02 23:30:40,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:30:40,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:30:40,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:30:40,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:30:40,215 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:30:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:30:40,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:30:40,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:30:40,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:30:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:30:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:30:40,358 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:30:40,360 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:30:40,458 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:30:40,502 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:30:40,502 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:30:40,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:40 BoogieIcfgContainer [2023-12-02 23:30:40,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:30:40,505 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:30:40,506 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:30:40,514 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:30:40,514 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:40" (1/1) ... [2023-12-02 23:30:40,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:30:40,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:40,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 23:30:40,574 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 23:30:40,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:30:40,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:40,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:30:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:40,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:30:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:40,767 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:30:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:40,793 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:30:40,812 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-02 23:30:40,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:30:40 ImpRootNode [2023-12-02 23:30:40,818 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:30:40,818 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:30:40,819 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:30:40,819 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:30:40,820 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:40" (3/4) ... [2023-12-02 23:30:40,822 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:30:40,823 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:30:40,824 INFO L158 Benchmark]: Toolchain (without parser) took 1884.02ms. Allocated memory is still 186.6MB. Free memory was 146.9MB in the beginning and 128.4MB in the end (delta: 18.6MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-12-02 23:30:40,825 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:30:40,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1076.98ms. Allocated memory is still 186.6MB. Free memory was 146.9MB in the beginning and 84.1MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-02 23:30:40,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.90ms. Allocated memory is still 186.6MB. Free memory was 84.1MB in the beginning and 81.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:30:40,827 INFO L158 Benchmark]: Boogie Preprocessor took 27.23ms. Allocated memory is still 186.6MB. Free memory was 81.4MB in the beginning and 79.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:30:40,828 INFO L158 Benchmark]: RCFGBuilder took 398.84ms. Allocated memory is still 186.6MB. Free memory was 79.9MB in the beginning and 144.1MB in the end (delta: -64.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:30:40,829 INFO L158 Benchmark]: CodeCheck took 312.29ms. Allocated memory is still 186.6MB. Free memory was 144.1MB in the beginning and 129.2MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:30:40,829 INFO L158 Benchmark]: Witness Printer took 5.08ms. Allocated memory is still 186.6MB. Free memory was 129.2MB in the beginning and 128.4MB in the end (delta: 800.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:30:40,833 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_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [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 GLOBAL_CONST_FIVE==5 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 0.28ms. Allocated memory is still 107.0MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1076.98ms. Allocated memory is still 186.6MB. Free memory was 146.9MB in the beginning and 84.1MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.90ms. Allocated memory is still 186.6MB. Free memory was 84.1MB in the beginning and 81.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.23ms. Allocated memory is still 186.6MB. Free memory was 81.4MB in the beginning and 79.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.84ms. Allocated memory is still 186.6MB. Free memory was 79.9MB in the beginning and 144.1MB in the end (delta: -64.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 312.29ms. Allocated memory is still 186.6MB. Free memory was 144.1MB in the beginning and 129.2MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.08ms. Allocated memory is still 186.6MB. Free memory was 129.2MB in the beginning and 128.4MB in the end (delta: 800.1kB). 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~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 23:30:40,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/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_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/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_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/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_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/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 e46abb8d7a60f241c1b3f995556bb1c75f746a58d4c817a32c3ccd6d4bd584aa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:30:42,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:30:43,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 23:30:43,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:30:43,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:30:43,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:30:43,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:30:43,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:30:43,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:30:43,051 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:30:43,052 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:30:43,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:30:43,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:30:43,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:30:43,054 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:30:43,055 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:30:43,056 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:30:43,056 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:30:43,057 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:30:43,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:30:43,058 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:30:43,058 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:30:43,059 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:30:43,059 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:30:43,060 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:43,060 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:30:43,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:30:43,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:30:43,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:30:43,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:30:43,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:30:43,063 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:30:43,063 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:43,063 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:30:43,064 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:30:43,064 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:30:43,064 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_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e46abb8d7a60f241c1b3f995556bb1c75f746a58d4c817a32c3ccd6d4bd584aa [2023-12-02 23:30:43,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:30:43,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:30:43,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:30:43,380 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:30:43,380 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:30:43,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_13_bad.i [2023-12-02 23:30:46,198 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:30:46,550 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:30:46,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_13_bad.i [2023-12-02 23:30:46,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/data/2fd396eca/1ab4943a1679424a855a8fbc7e0b7e47/FLAG22bba58af [2023-12-02 23:30:46,584 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/data/2fd396eca/1ab4943a1679424a855a8fbc7e0b7e47 [2023-12-02 23:30:46,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:30:46,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:30:46,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:30:46,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:30:46,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:30:46,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:30:46" (1/1) ... [2023-12-02 23:30:46,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@348de3bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:46, skipping insertion in model container [2023-12-02 23:30:46,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:30:46" (1/1) ... [2023-12-02 23:30:46,647 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:30:47,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:30:47,390 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:30:47,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:30:47,637 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:47,637 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:47,637 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:47,638 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:47,645 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:30:47,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:47 WrapperNode [2023-12-02 23:30:47,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:30:47,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:30:47,647 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:30:47,647 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:30:47,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:47" (1/1) ... [2023-12-02 23:30:47,683 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:47" (1/1) ... [2023-12-02 23:30:47,709 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2023-12-02 23:30:47,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:30:47,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:30:47,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:30:47,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:30:47,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:47" (1/1) ... [2023-12-02 23:30:47,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:47" (1/1) ... [2023-12-02 23:30:47,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:47" (1/1) ... [2023-12-02 23:30:47,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:47" (1/1) ... [2023-12-02 23:30:47,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:47" (1/1) ... [2023-12-02 23:30:47,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:47" (1/1) ... [2023-12-02 23:30:47,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:47" (1/1) ... [2023-12-02 23:30:47,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:47" (1/1) ... [2023-12-02 23:30:47,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:30:47,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:30:47,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:30:47,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:30:47,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:47" (1/1) ... [2023-12-02 23:30:47,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:30:47,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:30:47,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:30:47,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:30:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:30:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:30:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:30:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:30:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:30:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:30:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:30:48,001 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:30:48,003 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:30:48,107 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:30:48,158 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:30:48,158 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:30:48,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:48 BoogieIcfgContainer [2023-12-02 23:30:48,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:30:48,161 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:30:48,161 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:30:48,169 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:30:48,169 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:48" (1/1) ... [2023-12-02 23:30:48,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:30:48,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:48,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 23:30:48,234 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 23:30:48,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:30:48,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:48,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:48,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:30:48,242 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:30:48,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:30:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:48,408 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:30:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:48,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:30:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:48,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:30:48,533 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:30:48,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-02 23:30:48,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:30:48 ImpRootNode [2023-12-02 23:30:48,567 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:30:48,568 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:30:48,568 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:30:48,569 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:30:48,569 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:48" (3/4) ... [2023-12-02 23:30:48,572 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:30:48,573 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:30:48,574 INFO L158 Benchmark]: Toolchain (without parser) took 1986.14ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 46.0MB in the beginning and 34.7MB in the end (delta: 11.3MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2023-12-02 23:30:48,575 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 54.5MB. Free memory is still 31.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:30:48,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1057.16ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.8MB in the beginning and 46.2MB in the end (delta: -420.3kB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-12-02 23:30:48,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.58ms. Allocated memory is still 88.1MB. Free memory was 46.2MB in the beginning and 43.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:30:48,577 INFO L158 Benchmark]: Boogie Preprocessor took 37.12ms. Allocated memory is still 88.1MB. Free memory was 43.1MB in the beginning and 41.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:30:48,578 INFO L158 Benchmark]: RCFGBuilder took 411.70ms. Allocated memory is still 88.1MB. Free memory was 41.2MB in the beginning and 50.0MB in the end (delta: -8.8MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-12-02 23:30:48,579 INFO L158 Benchmark]: CodeCheck took 406.25ms. Allocated memory is still 88.1MB. Free memory was 49.4MB in the beginning and 35.6MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:30:48,579 INFO L158 Benchmark]: Witness Printer took 5.05ms. Allocated memory is still 88.1MB. Free memory was 35.3MB in the beginning and 34.7MB in the end (delta: 524.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:30:48,583 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)=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_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [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 GLOBAL_CONST_FIVE==5 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 0.26ms. Allocated memory is still 54.5MB. Free memory is still 31.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1057.16ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 45.8MB in the beginning and 46.2MB in the end (delta: -420.3kB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.58ms. Allocated memory is still 88.1MB. Free memory was 46.2MB in the beginning and 43.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.12ms. Allocated memory is still 88.1MB. Free memory was 43.1MB in the beginning and 41.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.70ms. Allocated memory is still 88.1MB. Free memory was 41.2MB in the beginning and 50.0MB in the end (delta: -8.8MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * CodeCheck took 406.25ms. Allocated memory is still 88.1MB. Free memory was 49.4MB in the beginning and 35.6MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.05ms. Allocated memory is still 88.1MB. Free memory was 35.3MB in the beginning and 34.7MB in the end (delta: 524.5kB). 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~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 23:30:48,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ad56407-6c70-48cf-82bf-a7aa0e5b6102/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