./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_07_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_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/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_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/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_70d4f043-a5ad-43d6-9f4e-37519666744e/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 c4301ef42dd0ce294bdbf774d5e8af8199e8792ed129959a351804215bd7d9ef --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:22:08,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:22:08,869 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:22:08,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:22:08,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:22:08,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:22:08,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:22:08,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:22:08,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:22:08,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:22:08,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:22:08,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:22:08,901 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:22:08,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:22:08,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:22:08,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:22:08,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:22:08,903 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:22:08,904 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:22:08,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:22:08,905 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:22:08,906 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:22:08,906 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:22:08,907 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:22:08,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:22:08,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:22:08,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:22:08,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:22:08,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:22:08,910 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:22:08,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:22:08,910 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:22:08,911 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_70d4f043-a5ad-43d6-9f4e-37519666744e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4301ef42dd0ce294bdbf774d5e8af8199e8792ed129959a351804215bd7d9ef [2023-12-02 22:22:09,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:22:09,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:22:09,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:22:09,130 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:22:09,131 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:22:09,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_07_bad.i [2023-12-02 22:22:11,877 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:22:12,191 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:22:12,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_07_bad.i [2023-12-02 22:22:12,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/data/86b1b4a9e/80f904939fae483386fe1bce1b028e3d/FLAGed5031d34 [2023-12-02 22:22:12,231 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/data/86b1b4a9e/80f904939fae483386fe1bce1b028e3d [2023-12-02 22:22:12,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:22:12,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:22:12,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:22:12,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:22:12,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:22:12,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:22:12" (1/1) ... [2023-12-02 22:22:12,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26153b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:12, skipping insertion in model container [2023-12-02 22:22:12,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:22:12" (1/1) ... [2023-12-02 22:22:12,299 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:22:13,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:22:13,050 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:22:13,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:22:13,251 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:22:13,251 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:22:13,252 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:22:13,252 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:22:13,260 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:22:13,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:13 WrapperNode [2023-12-02 22:22:13,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:22:13,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:22:13,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:22:13,262 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:22:13,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:13" (1/1) ... [2023-12-02 22:22:13,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:13" (1/1) ... [2023-12-02 22:22:13,316 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-12-02 22:22:13,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:22:13,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:22:13,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:22:13,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:22:13,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:13" (1/1) ... [2023-12-02 22:22:13,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:13" (1/1) ... [2023-12-02 22:22:13,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:13" (1/1) ... [2023-12-02 22:22:13,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:13" (1/1) ... [2023-12-02 22:22:13,345 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:13" (1/1) ... [2023-12-02 22:22:13,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:13" (1/1) ... [2023-12-02 22:22:13,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:13" (1/1) ... [2023-12-02 22:22:13,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:13" (1/1) ... [2023-12-02 22:22:13,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:22:13,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:22:13,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:22:13,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:22:13,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:13" (1/1) ... [2023-12-02 22:22:13,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:22:13,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:22:13,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:22:13,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:22:13,429 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:22:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:22:13,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:22:13,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:22:13,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:22:13,429 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:22:13,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:22:13,566 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:22:13,568 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:22:13,660 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:22:13,702 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:22:13,702 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:22:13,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:22:13 BoogieIcfgContainer [2023-12-02 22:22:13,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:22:13,705 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:22:13,705 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:22:13,715 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:22:13,715 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:22:13" (1/1) ... [2023-12-02 22:22:13,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:22:13,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:22:13,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 22:22:13,777 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 22:22:13,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:22:13,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:22:13,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:22:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:22:13,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:22:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:22:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:22:13,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:22:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:22:14,004 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:22:14,025 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-02 22:22:14,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:22:14 ImpRootNode [2023-12-02 22:22:14,030 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:22:14,031 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:22:14,031 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:22:14,031 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:22:14,032 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:22:13" (3/4) ... [2023-12-02 22:22:14,034 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:22:14,035 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:22:14,036 INFO L158 Benchmark]: Toolchain (without parser) took 1800.80ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 73.8MB in the beginning and 101.8MB in the end (delta: -28.1MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2023-12-02 22:22:14,037 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:22:14,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1024.26ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 73.4MB in the beginning and 84.1MB in the end (delta: -10.7MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2023-12-02 22:22:14,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.83ms. Allocated memory is still 165.7MB. Free memory was 84.1MB in the beginning and 81.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:22:14,039 INFO L158 Benchmark]: Boogie Preprocessor took 36.29ms. Allocated memory is still 165.7MB. Free memory was 81.3MB in the beginning and 132.2MB in the end (delta: -51.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 22:22:14,039 INFO L158 Benchmark]: RCFGBuilder took 350.48ms. Allocated memory is still 165.7MB. Free memory was 132.2MB in the beginning and 117.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:22:14,040 INFO L158 Benchmark]: CodeCheck took 324.98ms. Allocated memory is still 165.7MB. Free memory was 117.5MB in the beginning and 102.6MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:22:14,040 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 165.7MB. Free memory was 102.6MB in the beginning and 101.8MB in the end (delta: 752.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:22:14,044 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: 1560]: 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 1568. 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); [L1548] static int staticFive = 5; [L1568] 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}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1568] 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, staticFive=5] [L1569] CALL CWE191_Integer_Underflow__int_min_sub_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1555] 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, staticFive=5] [L1557] COND TRUE staticFive==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, staticFive=5] [L1560] 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, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1024.26ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 73.4MB in the beginning and 84.1MB in the end (delta: -10.7MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.83ms. Allocated memory is still 165.7MB. Free memory was 84.1MB in the beginning and 81.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.29ms. Allocated memory is still 165.7MB. Free memory was 81.3MB in the beginning and 132.2MB in the end (delta: -51.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 350.48ms. Allocated memory is still 165.7MB. Free memory was 132.2MB in the beginning and 117.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 324.98ms. Allocated memory is still 165.7MB. Free memory was 117.5MB in the beginning and 102.6MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 165.7MB. Free memory was 102.6MB in the beginning and 101.8MB in the end (delta: 752.9kB). 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 22:22:14,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/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_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/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_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/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_70d4f043-a5ad-43d6-9f4e-37519666744e/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 c4301ef42dd0ce294bdbf774d5e8af8199e8792ed129959a351804215bd7d9ef --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:22:16,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:22:16,096 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:22:16,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:22:16,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:22:16,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:22:16,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:22:16,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:22:16,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:22:16,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:22:16,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:22:16,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:22:16,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:22:16,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:22:16,135 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:22:16,136 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:22:16,136 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:22:16,137 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:22:16,137 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:22:16,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:22:16,138 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:22:16,139 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:22:16,139 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:22:16,140 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:22:16,140 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:22:16,141 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:22:16,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:22:16,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:22:16,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:22:16,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:22:16,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:22:16,143 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:22:16,144 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:22:16,144 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:22:16,144 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:22:16,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:22:16,145 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_70d4f043-a5ad-43d6-9f4e-37519666744e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4301ef42dd0ce294bdbf774d5e8af8199e8792ed129959a351804215bd7d9ef [2023-12-02 22:22:16,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:22:16,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:22:16,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:22:16,436 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:22:16,436 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:22:16,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_07_bad.i [2023-12-02 22:22:19,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:22:19,636 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:22:19,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_07_bad.i [2023-12-02 22:22:19,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/data/7386168c0/8e1d553475d0478681f772a1788df8be/FLAGa26315146 [2023-12-02 22:22:19,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/data/7386168c0/8e1d553475d0478681f772a1788df8be [2023-12-02 22:22:19,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:22:19,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:22:19,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:22:19,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:22:19,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:22:19,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:22:19" (1/1) ... [2023-12-02 22:22:19,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b3efb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:19, skipping insertion in model container [2023-12-02 22:22:19,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:22:19" (1/1) ... [2023-12-02 22:22:19,743 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:22:20,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:22:20,532 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:22:20,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:22:20,747 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:22:20,748 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:22:20,748 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:22:20,748 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:22:20,756 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:22:20,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:20 WrapperNode [2023-12-02 22:22:20,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:22:20,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:22:20,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:22:20,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:22:20,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:20" (1/1) ... [2023-12-02 22:22:20,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:20" (1/1) ... [2023-12-02 22:22:20,816 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2023-12-02 22:22:20,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:22:20,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:22:20,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:22:20,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:22:20,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:20" (1/1) ... [2023-12-02 22:22:20,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:20" (1/1) ... [2023-12-02 22:22:20,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:20" (1/1) ... [2023-12-02 22:22:20,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:20" (1/1) ... [2023-12-02 22:22:20,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:20" (1/1) ... [2023-12-02 22:22:20,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:20" (1/1) ... [2023-12-02 22:22:20,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:20" (1/1) ... [2023-12-02 22:22:20,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:20" (1/1) ... [2023-12-02 22:22:20,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:22:20,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:22:20,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:22:20,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:22:20,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:20" (1/1) ... [2023-12-02 22:22:20,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:22:20,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:22:20,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:22:20,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:22:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:22:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:22:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:22:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:22:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:22:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:22:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:22:21,081 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:22:21,083 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:22:21,186 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:22:21,233 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:22:21,233 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:22:21,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:22:21 BoogieIcfgContainer [2023-12-02 22:22:21,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:22:21,236 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:22:21,236 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:22:21,246 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:22:21,246 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:22:21" (1/1) ... [2023-12-02 22:22:21,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:22:21,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:22:21,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 22:22:21,309 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 22:22:21,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:22:21,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:22:21,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:22:21,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:22:21,315 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:22:21,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:22:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:22:21,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:22:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:22:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:22:21,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:22:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:22:21,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-12-02 22:22:21,653 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:22:21,672 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-02 22:22:21,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:22:21 ImpRootNode [2023-12-02 22:22:21,678 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:22:21,679 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:22:21,679 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:22:21,679 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:22:21,679 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:22:21" (3/4) ... [2023-12-02 22:22:21,682 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:22:21,683 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:22:21,684 INFO L158 Benchmark]: Toolchain (without parser) took 2004.53ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 57.1MB in the beginning and 77.8MB in the end (delta: -20.7MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-12-02 22:22:21,684 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 60.1MB in the end (delta: 106.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:22:21,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1076.25ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 56.9MB in the beginning and 78.5MB in the end (delta: -21.7MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-12-02 22:22:21,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.66ms. Allocated memory is still 115.3MB. Free memory was 78.5MB in the beginning and 75.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:22:21,686 INFO L158 Benchmark]: Boogie Preprocessor took 30.71ms. Allocated memory is still 115.3MB. Free memory was 75.4MB in the beginning and 73.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:22:21,687 INFO L158 Benchmark]: RCFGBuilder took 386.69ms. Allocated memory is still 115.3MB. Free memory was 73.3MB in the beginning and 57.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:22:21,687 INFO L158 Benchmark]: CodeCheck took 442.39ms. Allocated memory is still 115.3MB. Free memory was 57.7MB in the beginning and 77.8MB in the end (delta: -20.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:22:21,688 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 115.3MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:22:21,691 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: 1560]: 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 1568. 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); [L1548] static int staticFive = 5; [L1568] 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}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1568] 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, staticFive=5] [L1569] CALL CWE191_Integer_Underflow__int_min_sub_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1555] 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, staticFive=5] [L1557] COND TRUE staticFive==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, staticFive=5] [L1560] 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, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 60.1MB in the end (delta: 106.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1076.25ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 56.9MB in the beginning and 78.5MB in the end (delta: -21.7MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.66ms. Allocated memory is still 115.3MB. Free memory was 78.5MB in the beginning and 75.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.71ms. Allocated memory is still 115.3MB. Free memory was 75.4MB in the beginning and 73.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 386.69ms. Allocated memory is still 115.3MB. Free memory was 73.3MB in the beginning and 57.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 442.39ms. Allocated memory is still 115.3MB. Free memory was 57.7MB in the beginning and 77.8MB in the end (delta: -20.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 115.3MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~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 22:22:21,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70d4f043-a5ad-43d6-9f4e-37519666744e/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