./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_09_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi --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 c8235cabd8f74de0262548be1dc4e99f6f0287c9ac4b28e3db016c68f460869c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:40,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:40,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:02:40,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:40,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:40,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:40,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:40,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:40,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:40,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:40,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:40,682 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:40,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:40,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:40,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:40,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:40,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:40,686 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:02:40,686 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:02:40,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:40,687 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:40,688 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:40,688 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:40,688 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:40,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:40,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:40,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:40,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:40,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:40,691 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:40,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:40,692 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:40,692 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_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8235cabd8f74de0262548be1dc4e99f6f0287c9ac4b28e3db016c68f460869c [2023-11-24 23:02:41,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:41,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:41,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:41,068 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:41,068 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:41,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_09_bad.i [2023-11-24 23:02:44,231 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:44,653 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:44,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_09_bad.i [2023-11-24 23:02:44,686 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/data/3f24f969c/d1ae9944e09b4785b7d2fc1f8c2a9a7c/FLAGf33bffd53 [2023-11-24 23:02:44,703 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/data/3f24f969c/d1ae9944e09b4785b7d2fc1f8c2a9a7c [2023-11-24 23:02:44,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:44,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:44,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:44,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:44,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:44,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:44" (1/1) ... [2023-11-24 23:02:44,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b598152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:44, skipping insertion in model container [2023-11-24 23:02:44,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:44" (1/1) ... [2023-11-24 23:02:44,809 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:45,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:45,938 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:46,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:46,214 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:46,214 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:46,214 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:46,214 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:46,223 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:46,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:46 WrapperNode [2023-11-24 23:02:46,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:46,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:46,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:46,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:46,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:46" (1/1) ... [2023-11-24 23:02:46,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:46" (1/1) ... [2023-11-24 23:02:46,287 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-11-24 23:02:46,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:46,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:46,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:46,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:46,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:46" (1/1) ... [2023-11-24 23:02:46,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:46" (1/1) ... [2023-11-24 23:02:46,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:46" (1/1) ... [2023-11-24 23:02:46,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:46" (1/1) ... [2023-11-24 23:02:46,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:46" (1/1) ... [2023-11-24 23:02:46,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:46" (1/1) ... [2023-11-24 23:02:46,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:46" (1/1) ... [2023-11-24 23:02:46,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:46" (1/1) ... [2023-11-24 23:02:46,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:46,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:46,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:46,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:46,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:46" (1/1) ... [2023-11-24 23:02:46,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:46,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:46,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:46,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:02:46,399 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:02:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:46,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:02:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:46,543 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:46,545 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:46,709 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:46,784 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:46,784 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:02:46,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:46 BoogieIcfgContainer [2023-11-24 23:02:46,786 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:46,787 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:46,787 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:46,805 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:46,806 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:46" (1/1) ... [2023-11-24 23:02:46,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:46,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:46,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 23:02:46,891 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 23:02:46,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:02:46,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:46,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:47,015 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:02:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:47,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:02:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:47,274 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:02:47,302 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 23:02:47,306 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated [2023-11-24 23:02:47,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:02:47 ImpRootNode [2023-11-24 23:02:47,312 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:02:47,314 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:02:47,314 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:02:47,314 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:02:47,316 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:46" (3/4) ... [2023-11-24 23:02:47,320 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:02:47,321 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:02:47,323 INFO L158 Benchmark]: Toolchain (without parser) took 2611.90ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 87.3MB in the beginning and 149.1MB in the end (delta: -61.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:47,323 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 112.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:47,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1510.45ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 87.3MB in the beginning and 113.5MB in the end (delta: -26.3MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-11-24 23:02:47,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.32ms. Allocated memory is still 188.7MB. Free memory was 113.5MB in the beginning and 110.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:02:47,326 INFO L158 Benchmark]: Boogie Preprocessor took 34.08ms. Allocated memory is still 188.7MB. Free memory was 110.3MB in the beginning and 109.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:47,327 INFO L158 Benchmark]: RCFGBuilder took 463.63ms. Allocated memory is still 188.7MB. Free memory was 109.3MB in the beginning and 95.7MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:02:47,328 INFO L158 Benchmark]: CodeCheck took 524.90ms. Allocated memory is still 188.7MB. Free memory was 95.7MB in the beginning and 149.1MB in the end (delta: -53.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:47,329 INFO L158 Benchmark]: Witness Printer took 7.77ms. Allocated memory is still 188.7MB. Free memory is still 149.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:47,340 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 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); [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}] [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] [L1569] CALL CWE191_Integer_Underflow__int_min_postdec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 112.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1510.45ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 87.3MB in the beginning and 113.5MB in the end (delta: -26.3MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.32ms. Allocated memory is still 188.7MB. Free memory was 113.5MB in the beginning and 110.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.08ms. Allocated memory is still 188.7MB. Free memory was 110.3MB in the beginning and 109.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 463.63ms. Allocated memory is still 188.7MB. Free memory was 109.3MB in the beginning and 95.7MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 524.90ms. Allocated memory is still 188.7MB. Free memory was 95.7MB in the beginning and 149.1MB in the end (delta: -53.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.77ms. Allocated memory is still 188.7MB. Free memory is still 149.1MB. 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~nondet100 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:02:47,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/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 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_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi --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 c8235cabd8f74de0262548be1dc4e99f6f0287c9ac4b28e3db016c68f460869c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:50,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:50,253 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:02:50,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:50,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:50,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:50,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:50,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:50,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:50,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:50,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:50,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:50,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:50,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:50,332 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:02:50,332 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:02:50,333 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:02:50,333 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:02:50,334 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:02:50,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:50,335 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:50,336 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:50,336 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:50,336 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:50,337 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:50,337 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:02:50,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:50,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:50,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:50,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:50,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:50,341 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:02:50,341 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:50,342 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:50,342 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:02:50,342 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:02:50,342 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_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8235cabd8f74de0262548be1dc4e99f6f0287c9ac4b28e3db016c68f460869c [2023-11-24 23:02:50,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:50,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:50,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:50,772 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:50,772 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:50,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_09_bad.i [2023-11-24 23:02:53,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:54,544 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:54,545 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_09_bad.i [2023-11-24 23:02:54,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/data/ba48f4baf/09ee9e1203fb4f63bebcd8c938730dfb/FLAGc9455b536 [2023-11-24 23:02:54,599 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/data/ba48f4baf/09ee9e1203fb4f63bebcd8c938730dfb [2023-11-24 23:02:54,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:54,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:54,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:54,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:54,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:54,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:54" (1/1) ... [2023-11-24 23:02:54,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9965a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:54, skipping insertion in model container [2023-11-24 23:02:54,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:54" (1/1) ... [2023-11-24 23:02:54,697 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:56,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:56,135 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:56,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:56,347 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:56,348 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:56,348 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:56,348 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:56,357 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:56,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56 WrapperNode [2023-11-24 23:02:56,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:56,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:56,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:56,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:56,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:56,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:56,425 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-11-24 23:02:56,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:56,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:56,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:56,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:56,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:56,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:56,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:56,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:56,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:56,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:56,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:56,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:56,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:56,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:56,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:56,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:56,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:56,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:56,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:56,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:56,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:02:56,562 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:02:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:02:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:56,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:02:56,738 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:56,742 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:56,945 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:57,020 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:57,028 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:02:57,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:57 BoogieIcfgContainer [2023-11-24 23:02:57,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:57,031 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:57,031 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:57,041 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:57,043 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:57" (1/1) ... [2023-11-24 23:02:57,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:57,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:57,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 23:02:57,133 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 23:02:57,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:02:57,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:57,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:57,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:02:57,149 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:02:57,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:02:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:57,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:02:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:57,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:02:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:57,533 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:02:57,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:02:57,541 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:02:57,570 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-11-24 23:02:57,575 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated [2023-11-24 23:02:57,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:02:57 ImpRootNode [2023-11-24 23:02:57,579 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:02:57,581 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:02:57,581 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:02:57,582 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:02:57,582 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:57" (3/4) ... [2023-11-24 23:02:57,585 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:02:57,586 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:02:57,587 INFO L158 Benchmark]: Toolchain (without parser) took 2980.70ms. Allocated memory is still 109.1MB. Free memory was 81.4MB in the beginning and 54.1MB in the end (delta: 27.3MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2023-11-24 23:02:57,587 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 60.8MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:57,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1750.52ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 41.4MB in the end (delta: 39.8MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2023-11-24 23:02:57,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.27ms. Allocated memory is still 109.1MB. Free memory was 41.4MB in the beginning and 38.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:57,590 INFO L158 Benchmark]: Boogie Preprocessor took 44.74ms. Allocated memory is still 109.1MB. Free memory was 38.7MB in the beginning and 85.0MB in the end (delta: -46.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:57,591 INFO L158 Benchmark]: RCFGBuilder took 558.45ms. Allocated memory is still 109.1MB. Free memory was 85.0MB in the beginning and 68.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:02:57,592 INFO L158 Benchmark]: CodeCheck took 548.12ms. Allocated memory is still 109.1MB. Free memory was 68.8MB in the beginning and 54.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:02:57,593 INFO L158 Benchmark]: Witness Printer took 4.83ms. Allocated memory is still 109.1MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:57,602 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: 0.5s, 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 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); [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}] [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] [L1569] CALL CWE191_Integer_Underflow__int_min_postdec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 60.8MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1750.52ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 41.4MB in the end (delta: 39.8MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.27ms. Allocated memory is still 109.1MB. Free memory was 41.4MB in the beginning and 38.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.74ms. Allocated memory is still 109.1MB. Free memory was 38.7MB in the beginning and 85.0MB in the end (delta: -46.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.45ms. Allocated memory is still 109.1MB. Free memory was 85.0MB in the beginning and 68.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 548.12ms. Allocated memory is still 109.1MB. Free memory was 68.8MB in the beginning and 54.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.83ms. Allocated memory is still 109.1MB. Free memory is still 54.1MB. 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~nondet98 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:02:57,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f16f7083-f91d-4dbe-a513-02d7166e22e9/bin/ukojak-verify-afCqCEvfdi/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample