./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_16_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_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/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_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/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_13ed7f4a-f665-43a3-a869-a2bf367f9bed/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 c05645565c30d5f3744deaa74d299a7565cd313569154091fc157b8f8a716eb1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:57:57,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:57,451 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:57:57,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:57:57,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:57:57,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:57,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:57:57,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:57:57,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:57,510 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:57,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:57,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:57:57,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:57:57,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:57,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:57:57,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:57,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:57:57,515 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:57:57,515 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:57:57,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:57:57,516 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:57,517 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:57,518 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:57,518 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:57,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:57,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:57,519 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:57,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:57,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:57:57,521 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:57:57,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:57:57,522 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:57:57,522 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_13ed7f4a-f665-43a3-a869-a2bf367f9bed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c05645565c30d5f3744deaa74d299a7565cd313569154091fc157b8f8a716eb1 [2023-11-24 22:57:57,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:57,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:57,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:57,838 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:57,839 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:57,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_16_bad.i [2023-11-24 22:58:00,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:01,350 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:01,351 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_16_bad.i [2023-11-24 22:58:01,383 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/data/bc6d8fb0a/63cf5badf1144e5cb4760566a3158c99/FLAG14e44f123 [2023-11-24 22:58:01,400 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/data/bc6d8fb0a/63cf5badf1144e5cb4760566a3158c99 [2023-11-24 22:58:01,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:01,407 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:01,411 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:01,411 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:01,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:01,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:01" (1/1) ... [2023-11-24 22:58:01,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1276dc93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:01, skipping insertion in model container [2023-11-24 22:58:01,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:01" (1/1) ... [2023-11-24 22:58:01,527 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:02,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:02,529 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:02,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:02,824 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:02,824 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:02,824 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:02,824 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:02,833 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:02,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:02 WrapperNode [2023-11-24 22:58:02,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:02,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:02,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:02,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:02,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:02" (1/1) ... [2023-11-24 22:58:02,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:02" (1/1) ... [2023-11-24 22:58:02,903 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2023-11-24 22:58:02,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:02,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:02,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:02,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:02,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:02" (1/1) ... [2023-11-24 22:58:02,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:02" (1/1) ... [2023-11-24 22:58:02,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:02" (1/1) ... [2023-11-24 22:58:02,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:02" (1/1) ... [2023-11-24 22:58:02,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:02" (1/1) ... [2023-11-24 22:58:02,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:02" (1/1) ... [2023-11-24 22:58:02,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:02" (1/1) ... [2023-11-24 22:58:02,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:02" (1/1) ... [2023-11-24 22:58:02,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:02,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:02,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:02,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:02,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:02" (1/1) ... [2023-11-24 22:58:02,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:02,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:03,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:03,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:58:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:58:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:58:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:58:03,297 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:03,305 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:03,465 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:03,540 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:03,540 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:58:03,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:03 BoogieIcfgContainer [2023-11-24 22:58:03,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:03,544 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:03,544 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:03,555 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:03,555 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:03" (1/1) ... [2023-11-24 22:58:03,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:03,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:03,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:58:03,624 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:58:03,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:58:03,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:03,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:03,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:58:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:03,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:58:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:03,879 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:58:03,901 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 22:58:03,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:58:03 ImpRootNode [2023-11-24 22:58:03,906 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:58:03,907 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:58:03,907 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:58:03,907 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:58:03,908 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:03" (3/4) ... [2023-11-24 22:58:03,910 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:58:03,912 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:58:03,913 INFO L158 Benchmark]: Toolchain (without parser) took 2505.75ms. Allocated memory is still 153.1MB. Free memory was 118.2MB in the beginning and 94.1MB in the end (delta: 24.1MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-11-24 22:58:03,914 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:03,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1422.98ms. Allocated memory is still 153.1MB. Free memory was 118.2MB in the beginning and 55.5MB in the end (delta: 62.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-24 22:58:03,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.44ms. Allocated memory is still 153.1MB. Free memory was 54.8MB in the beginning and 52.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:03,916 INFO L158 Benchmark]: Boogie Preprocessor took 61.81ms. Allocated memory is still 153.1MB. Free memory was 52.0MB in the beginning and 123.3MB in the end (delta: -71.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-11-24 22:58:03,917 INFO L158 Benchmark]: RCFGBuilder took 573.36ms. Allocated memory is still 153.1MB. Free memory was 123.3MB in the beginning and 108.8MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:58:03,918 INFO L158 Benchmark]: CodeCheck took 362.50ms. Allocated memory is still 153.1MB. Free memory was 108.8MB in the beginning and 94.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:58:03,918 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 153.1MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:03,923 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 1569. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_min_sub_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [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] [L1557] COND TRUE 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] [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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1422.98ms. Allocated memory is still 153.1MB. Free memory was 118.2MB in the beginning and 55.5MB in the end (delta: 62.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.44ms. Allocated memory is still 153.1MB. Free memory was 54.8MB in the beginning and 52.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.81ms. Allocated memory is still 153.1MB. Free memory was 52.0MB in the beginning and 123.3MB in the end (delta: -71.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * RCFGBuilder took 573.36ms. Allocated memory is still 153.1MB. Free memory was 123.3MB in the beginning and 108.8MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 362.50ms. Allocated memory is still 153.1MB. Free memory was 108.8MB in the beginning and 94.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 153.1MB. Free memory is still 94.1MB. 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~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 [2023-11-24 22:58:03,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/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 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_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/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_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/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_13ed7f4a-f665-43a3-a869-a2bf367f9bed/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 c05645565c30d5f3744deaa74d299a7565cd313569154091fc157b8f8a716eb1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:06,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:06,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:58:06,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:06,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:06,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:06,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:06,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:06,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:06,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:06,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:06,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:06,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:06,819 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:06,819 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:58:06,820 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:58:06,820 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:58:06,821 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:58:06,821 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:58:06,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:06,823 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:06,824 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:06,825 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:06,825 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:06,826 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:06,826 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:58:06,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:06,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:06,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:06,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:06,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:06,830 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:58:06,830 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:06,831 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:06,831 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:58:06,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:58:06,832 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_13ed7f4a-f665-43a3-a869-a2bf367f9bed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c05645565c30d5f3744deaa74d299a7565cd313569154091fc157b8f8a716eb1 [2023-11-24 22:58:07,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:07,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:07,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:07,323 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:07,328 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:07,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_16_bad.i [2023-11-24 22:58:10,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:10,975 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:10,976 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_16_bad.i [2023-11-24 22:58:11,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/data/607c6f92b/c769cd6de876458185d40af223664767/FLAG363acb92d [2023-11-24 22:58:11,023 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/data/607c6f92b/c769cd6de876458185d40af223664767 [2023-11-24 22:58:11,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:11,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:11,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:11,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:11,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:11,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:11" (1/1) ... [2023-11-24 22:58:11,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5de485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:11, skipping insertion in model container [2023-11-24 22:58:11,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:11" (1/1) ... [2023-11-24 22:58:11,128 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:12,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:12,228 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:12,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:12,524 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:12,524 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:12,524 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:12,524 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:12,532 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:12,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:12 WrapperNode [2023-11-24 22:58:12,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:12,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:12,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:12,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:12,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:12" (1/1) ... [2023-11-24 22:58:12,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:12" (1/1) ... [2023-11-24 22:58:12,610 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2023-11-24 22:58:12,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:12,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:12,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:12,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:12,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:12" (1/1) ... [2023-11-24 22:58:12,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:12" (1/1) ... [2023-11-24 22:58:12,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:12" (1/1) ... [2023-11-24 22:58:12,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:12" (1/1) ... [2023-11-24 22:58:12,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:12" (1/1) ... [2023-11-24 22:58:12,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:12" (1/1) ... [2023-11-24 22:58:12,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:12" (1/1) ... [2023-11-24 22:58:12,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:12" (1/1) ... [2023-11-24 22:58:12,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:12,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:12,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:12,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:12,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:12" (1/1) ... [2023-11-24 22:58:12,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:12,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:12,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:12,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:12,773 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:58:12,774 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:58:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:58:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:12,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:58:12,945 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:12,947 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:13,107 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:13,197 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:13,197 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:58:13,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:13 BoogieIcfgContainer [2023-11-24 22:58:13,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:13,200 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:13,200 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:13,210 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:13,212 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:13" (1/1) ... [2023-11-24 22:58:13,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:13,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:13,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:58:13,297 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:58:13,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:58:13,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:13,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:58:13,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:58:13,310 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:58:13,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:58:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:13,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:58:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:13,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:58:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:13,616 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:58:13,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:58:13,627 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:58:13,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 22:58:13,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:58:13 ImpRootNode [2023-11-24 22:58:13,661 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:58:13,663 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:58:13,663 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:58:13,663 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:58:13,664 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:13" (3/4) ... [2023-11-24 22:58:13,666 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:58:13,667 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:58:13,668 INFO L158 Benchmark]: Toolchain (without parser) took 2640.61ms. Allocated memory is still 88.1MB. Free memory was 60.7MB in the beginning and 33.9MB in the end (delta: 26.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-24 22:58:13,668 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 65.0MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:13,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1504.20ms. Allocated memory is still 88.1MB. Free memory was 60.5MB in the beginning and 42.2MB in the end (delta: 18.3MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-11-24 22:58:13,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.72ms. Allocated memory is still 88.1MB. Free memory was 42.2MB in the beginning and 39.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:13,670 INFO L158 Benchmark]: Boogie Preprocessor took 38.39ms. Allocated memory is still 88.1MB. Free memory was 39.2MB in the beginning and 37.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:13,671 INFO L158 Benchmark]: RCFGBuilder took 548.33ms. Allocated memory is still 88.1MB. Free memory was 37.1MB in the beginning and 47.9MB in the end (delta: -10.8MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-24 22:58:13,672 INFO L158 Benchmark]: CodeCheck took 460.97ms. Allocated memory is still 88.1MB. Free memory was 47.9MB in the beginning and 34.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:58:13,672 INFO L158 Benchmark]: Witness Printer took 4.05ms. Allocated memory is still 88.1MB. Free memory was 33.9MB in the beginning and 33.9MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:13,691 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 1569. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_min_sub_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [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] [L1557] COND TRUE 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] [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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 65.0MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1504.20ms. Allocated memory is still 88.1MB. Free memory was 60.5MB in the beginning and 42.2MB in the end (delta: 18.3MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.72ms. Allocated memory is still 88.1MB. Free memory was 42.2MB in the beginning and 39.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.39ms. Allocated memory is still 88.1MB. Free memory was 39.2MB in the beginning and 37.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 548.33ms. Allocated memory is still 88.1MB. Free memory was 37.1MB in the beginning and 47.9MB in the end (delta: -10.8MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * CodeCheck took 460.97ms. Allocated memory is still 88.1MB. Free memory was 47.9MB in the beginning and 34.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.05ms. Allocated memory is still 88.1MB. Free memory was 33.9MB in the beginning and 33.9MB in the end (delta: 2.6kB). 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 [2023-11-24 22:58:13,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13ed7f4a-f665-43a3-a869-a2bf367f9bed/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample