./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/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_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/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_2f1db660-a1c9-444d-b482-52f80a0ba431/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 bc1d8cf1f053a2cb9d7798e38ed9b95323387a9f6d87d01459f368e89006eece --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:18:00,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:18:00,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:18:00,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:18:00,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:18:00,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:18:00,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:18:00,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:18:00,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:18:00,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:18:00,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:18:00,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:18:00,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:18:00,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:18:00,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:18:00,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:18:00,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:18:00,922 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:18:00,923 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:18:00,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:18:00,924 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:18:00,925 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:18:00,927 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:18:00,927 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:18:00,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:18:00,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:00,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:18:00,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:18:00,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:18:00,930 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:18:00,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:18:00,932 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:18:00,932 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_2f1db660-a1c9-444d-b482-52f80a0ba431/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc1d8cf1f053a2cb9d7798e38ed9b95323387a9f6d87d01459f368e89006eece [2023-11-24 22:18:01,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:18:01,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:18:01,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:18:01,366 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:18:01,367 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:18:01,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i [2023-11-24 22:18:04,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:18:04,930 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:18:04,933 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i [2023-11-24 22:18:04,960 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/data/cc7d15365/f7a042692b6f4ff0b80b07ce9f294497/FLAG5f816f3fb [2023-11-24 22:18:04,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/data/cc7d15365/f7a042692b6f4ff0b80b07ce9f294497 [2023-11-24 22:18:04,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:18:04,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:18:04,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:04,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:18:04,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:18:04,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:04" (1/1) ... [2023-11-24 22:18:04,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@347e156e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:04, skipping insertion in model container [2023-11-24 22:18:04,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:04" (1/1) ... [2023-11-24 22:18:05,089 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:06,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:06,182 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:06,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:06,546 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:06,546 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:06,546 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:06,547 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:06,555 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:06,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:06 WrapperNode [2023-11-24 22:18:06,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:06,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:06,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:06,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:06,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:06" (1/1) ... [2023-11-24 22:18:06,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:06" (1/1) ... [2023-11-24 22:18:06,639 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2023-11-24 22:18:06,640 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:06,641 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:06,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:06,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:06,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:06" (1/1) ... [2023-11-24 22:18:06,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:06" (1/1) ... [2023-11-24 22:18:06,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:06" (1/1) ... [2023-11-24 22:18:06,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:06" (1/1) ... [2023-11-24 22:18:06,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:06" (1/1) ... [2023-11-24 22:18:06,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:06" (1/1) ... [2023-11-24 22:18:06,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:06" (1/1) ... [2023-11-24 22:18:06,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:06" (1/1) ... [2023-11-24 22:18:06,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:06,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:06,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:06,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:06,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:06" (1/1) ... [2023-11-24 22:18:06,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:06,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:06,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:06,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:18:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:18:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:18:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:06,792 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:18:06,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:18:07,041 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:07,044 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:07,240 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:07,335 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:18:07,336 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:18:07,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:07 BoogieIcfgContainer [2023-11-24 22:18:07,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:18:07,339 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:18:07,339 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:18:07,352 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:18:07,352 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:07" (1/1) ... [2023-11-24 22:18:07,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:18:07,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:07,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:18:07,437 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:18:07,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:18:07,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:07,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:07,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:18:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:07,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:18:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:07,760 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:18:07,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 22:18:07,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:18:07 ImpRootNode [2023-11-24 22:18:07,796 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:18:07,797 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:18:07,797 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:18:07,798 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:18:07,798 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:07" (3/4) ... [2023-11-24 22:18:07,802 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:18:07,803 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:18:07,805 INFO L158 Benchmark]: Toolchain (without parser) took 2823.94ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 89.5MB in the beginning and 92.0MB in the end (delta: -2.5MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2023-11-24 22:18:07,805 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:07,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1574.31ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 89.0MB in the beginning and 126.6MB in the end (delta: -37.6MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2023-11-24 22:18:07,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.57ms. Allocated memory is still 182.5MB. Free memory was 126.6MB in the beginning and 123.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:07,809 INFO L158 Benchmark]: Boogie Preprocessor took 37.39ms. Allocated memory is still 182.5MB. Free memory was 123.5MB in the beginning and 122.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:07,810 INFO L158 Benchmark]: RCFGBuilder took 659.07ms. Allocated memory is still 182.5MB. Free memory was 121.4MB in the beginning and 107.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:18:07,811 INFO L158 Benchmark]: CodeCheck took 456.81ms. Allocated memory is still 182.5MB. Free memory was 107.8MB in the beginning and 93.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:18:07,812 INFO L158 Benchmark]: Witness Printer took 6.48ms. Allocated memory is still 182.5MB. Free memory was 93.0MB in the beginning and 92.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:07,817 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1574.31ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 89.0MB in the beginning and 126.6MB in the end (delta: -37.6MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.57ms. Allocated memory is still 182.5MB. Free memory was 126.6MB in the beginning and 123.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.39ms. Allocated memory is still 182.5MB. Free memory was 123.5MB in the beginning and 122.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 659.07ms. Allocated memory is still 182.5MB. Free memory was 121.4MB in the beginning and 107.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 456.81ms. Allocated memory is still 182.5MB. Free memory was 107.8MB in the beginning and 93.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.48ms. Allocated memory is still 182.5MB. Free memory was 93.0MB in the beginning and 92.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:18:07,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/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_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/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_2f1db660-a1c9-444d-b482-52f80a0ba431/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 bc1d8cf1f053a2cb9d7798e38ed9b95323387a9f6d87d01459f368e89006eece --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:18:10,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:18:10,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:18:10,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:18:10,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:18:10,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:18:10,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:18:10,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:18:10,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:18:10,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:18:10,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:18:10,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:18:10,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:18:10,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:18:10,940 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:18:10,941 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:18:10,941 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:18:10,942 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:18:10,942 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:18:10,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:18:10,943 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:18:10,948 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:18:10,949 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:18:10,949 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:18:10,950 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:18:10,950 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:18:10,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:18:10,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:10,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:18:10,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:18:10,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:18:10,955 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:18:10,955 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:18:10,956 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:18:10,956 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:18:10,956 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:18:10,956 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_2f1db660-a1c9-444d-b482-52f80a0ba431/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc1d8cf1f053a2cb9d7798e38ed9b95323387a9f6d87d01459f368e89006eece [2023-11-24 22:18:11,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:18:11,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:18:11,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:18:11,461 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:18:11,465 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:18:11,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i [2023-11-24 22:18:14,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:18:15,364 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:18:15,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i [2023-11-24 22:18:15,412 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/data/cbd0bbc57/37d8e40c1f6f4c0e9102b7cdde6f84cb/FLAG7c411633a [2023-11-24 22:18:15,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/data/cbd0bbc57/37d8e40c1f6f4c0e9102b7cdde6f84cb [2023-11-24 22:18:15,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:18:15,437 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:18:15,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:15,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:18:15,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:18:15,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:15" (1/1) ... [2023-11-24 22:18:15,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583413a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:15, skipping insertion in model container [2023-11-24 22:18:15,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:15" (1/1) ... [2023-11-24 22:18:15,520 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:16,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:16,822 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:16,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:17,077 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:17,077 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:17,077 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:17,077 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:17,086 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:17,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:17 WrapperNode [2023-11-24 22:18:17,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:17,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:17,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:17,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:17,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:17" (1/1) ... [2023-11-24 22:18:17,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:17" (1/1) ... [2023-11-24 22:18:17,159 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2023-11-24 22:18:17,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:17,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:17,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:17,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:17,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:17" (1/1) ... [2023-11-24 22:18:17,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:17" (1/1) ... [2023-11-24 22:18:17,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:17" (1/1) ... [2023-11-24 22:18:17,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:17" (1/1) ... [2023-11-24 22:18:17,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:17" (1/1) ... [2023-11-24 22:18:17,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:17" (1/1) ... [2023-11-24 22:18:17,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:17" (1/1) ... [2023-11-24 22:18:17,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:17" (1/1) ... [2023-11-24 22:18:17,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:17,210 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:17,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:17,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:17,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:17" (1/1) ... [2023-11-24 22:18:17,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:17,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:17,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:17,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:17,298 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:18:17,298 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:18:17,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:18:17,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:18:17,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:17,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:17,299 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:18:17,483 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:17,486 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:17,668 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:17,721 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:18:17,721 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:18:17,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:17 BoogieIcfgContainer [2023-11-24 22:18:17,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:18:17,724 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:18:17,724 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:18:17,739 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:18:17,740 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:17" (1/1) ... [2023-11-24 22:18:17,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:18:17,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:17,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:18:17,832 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:18:17,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:18:17,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:17,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:18:17,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:18:17,845 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:18:17,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:18:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:18,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:18:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:18,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:18:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:18:18,215 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:18:18,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 22:18:18,221 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:18:18,252 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 22:18:18,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:18:18 ImpRootNode [2023-11-24 22:18:18,258 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:18:18,261 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:18:18,261 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:18:18,261 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:18:18,262 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:17" (3/4) ... [2023-11-24 22:18:18,264 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:18:18,265 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:18:18,267 INFO L158 Benchmark]: Toolchain (without parser) took 2828.71ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 54.4MB in the beginning and 58.5MB in the end (delta: -4.1MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-24 22:18:18,267 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 58.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:18,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1648.74ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 54.2MB in the beginning and 63.6MB in the end (delta: -9.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-11-24 22:18:18,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.96ms. Allocated memory is still 111.1MB. Free memory was 63.6MB in the beginning and 60.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:18,270 INFO L158 Benchmark]: Boogie Preprocessor took 48.89ms. Allocated memory is still 111.1MB. Free memory was 60.6MB in the beginning and 58.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:18,271 INFO L158 Benchmark]: RCFGBuilder took 512.81ms. Allocated memory is still 111.1MB. Free memory was 58.5MB in the beginning and 72.6MB in the end (delta: -14.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-11-24 22:18:18,273 INFO L158 Benchmark]: CodeCheck took 534.76ms. Allocated memory is still 111.1MB. Free memory was 72.6MB in the beginning and 58.8MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:18:18,274 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 111.1MB. Free memory was 58.8MB in the beginning and 58.5MB in the end (delta: 269.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:18,287 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 58.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1648.74ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 54.2MB in the beginning and 63.6MB in the end (delta: -9.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.96ms. Allocated memory is still 111.1MB. Free memory was 63.6MB in the beginning and 60.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.89ms. Allocated memory is still 111.1MB. Free memory was 60.6MB in the beginning and 58.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.81ms. Allocated memory is still 111.1MB. Free memory was 58.5MB in the beginning and 72.6MB in the end (delta: -14.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * CodeCheck took 534.76ms. Allocated memory is still 111.1MB. Free memory was 72.6MB in the beginning and 58.8MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 111.1MB. Free memory was 58.8MB in the beginning and 58.5MB in the end (delta: 269.2kB). 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 22:18:18,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f1db660-a1c9-444d-b482-52f80a0ba431/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