./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_10_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_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 84ac8fa267d64a9ff97fefdd62c6972ed9002dc56ee81ce2b5d264dac17b008c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:33:19,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:33:19,240 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:33:19,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:33:19,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:33:19,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:33:19,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:33:19,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:33:19,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:33:19,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:33:19,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:33:19,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:33:19,273 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:33:19,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:33:19,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:33:19,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:33:19,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:33:19,275 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:33:19,276 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:33:19,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:33:19,277 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:33:19,277 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:33:19,278 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:33:19,278 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:33:19,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:33:19,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:33:19,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:33:19,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:33:19,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:33:19,280 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:33:19,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:33:19,281 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:33:19,281 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_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84ac8fa267d64a9ff97fefdd62c6972ed9002dc56ee81ce2b5d264dac17b008c [2023-12-03 02:33:19,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:33:19,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:33:19,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:33:19,498 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:33:19,498 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:33:19,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_10_bad.i [2023-12-03 02:33:22,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:33:22,437 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:33:22,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_10_bad.i [2023-12-03 02:33:22,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/data/f7a58876d/6ef13b840e374e459d9efd94fa098697/FLAG8300388b7 [2023-12-03 02:33:22,476 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/data/f7a58876d/6ef13b840e374e459d9efd94fa098697 [2023-12-03 02:33:22,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:33:22,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:33:22,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:33:22,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:33:22,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:33:22,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:33:22" (1/1) ... [2023-12-03 02:33:22,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1cc003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:22, skipping insertion in model container [2023-12-03 02:33:22,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:33:22" (1/1) ... [2023-12-03 02:33:22,561 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:33:23,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:33:23,348 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:33:23,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:33:23,564 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:33:23,565 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:33:23,565 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:33:23,565 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:33:23,571 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:33:23,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23 WrapperNode [2023-12-03 02:33:23,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:33:23,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:33:23,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:33:23,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:33:23,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,625 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2023-12-03 02:33:23,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:33:23,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:33:23,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:33:23,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:33:23,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:33:23,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:33:23,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:33:23,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:33:23,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:23,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:33:23,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:33:23,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:33:23,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:33:23,721 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:33:23,721 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:33:23,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:33:23,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:33:23,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:33:23,722 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:33:23,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:33:23,848 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:33:23,851 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:33:23,944 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:33:23,984 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:33:23,985 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:33:23,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:33:23 BoogieIcfgContainer [2023-12-03 02:33:23,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:33:23,987 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:33:23,987 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:33:23,997 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:33:23,997 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:33:23" (1/1) ... [2023-12-03 02:33:24,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:33:24,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:24,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 02:33:24,046 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 02:33:24,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:33:24,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:24,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:33:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:33:24,158 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:33:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:33:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:33:24,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:33:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:33:24,260 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:33:24,281 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-12-03 02:33:24,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:33:24 ImpRootNode [2023-12-03 02:33:24,286 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:33:24,286 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:33:24,286 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:33:24,287 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:33:24,287 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:33:23" (3/4) ... [2023-12-03 02:33:24,289 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:33:24,290 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:33:24,291 INFO L158 Benchmark]: Toolchain (without parser) took 1810.70ms. Allocated memory is still 195.0MB. Free memory was 143.8MB in the beginning and 101.5MB in the end (delta: 42.3MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2023-12-03 02:33:24,292 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 123.7MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:33:24,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1090.47ms. Allocated memory is still 195.0MB. Free memory was 143.8MB in the beginning and 136.0MB in the end (delta: 7.8MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2023-12-03 02:33:24,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.33ms. Allocated memory is still 195.0MB. Free memory was 136.0MB in the beginning and 133.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:33:24,293 INFO L158 Benchmark]: Boogie Preprocessor took 24.11ms. Allocated memory is still 195.0MB. Free memory was 133.0MB in the beginning and 131.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:33:24,294 INFO L158 Benchmark]: RCFGBuilder took 335.16ms. Allocated memory is still 195.0MB. Free memory was 131.9MB in the beginning and 117.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:33:24,295 INFO L158 Benchmark]: CodeCheck took 298.47ms. Allocated memory is still 195.0MB. Free memory was 117.3MB in the beginning and 102.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:33:24,295 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 195.0MB. Free memory was 102.3MB in the beginning and 101.5MB in the end (delta: 810.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:33:24,299 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: 0.2s, 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)=12, argc=12, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE \read(globalTrue) 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 0.19ms. Allocated memory is still 123.7MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1090.47ms. Allocated memory is still 195.0MB. Free memory was 143.8MB in the beginning and 136.0MB in the end (delta: 7.8MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.33ms. Allocated memory is still 195.0MB. Free memory was 136.0MB in the beginning and 133.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.11ms. Allocated memory is still 195.0MB. Free memory was 133.0MB in the beginning and 131.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 335.16ms. Allocated memory is still 195.0MB. Free memory was 131.9MB in the beginning and 117.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 298.47ms. Allocated memory is still 195.0MB. Free memory was 117.3MB in the beginning and 102.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 195.0MB. Free memory was 102.3MB in the beginning and 101.5MB in the end (delta: 810.6kB). 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~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:33:24,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 84ac8fa267d64a9ff97fefdd62c6972ed9002dc56ee81ce2b5d264dac17b008c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:33:26,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:33:26,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 02:33:26,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:33:26,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:33:26,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:33:26,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:33:26,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:33:26,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:33:26,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:33:26,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:33:26,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:33:26,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:33:26,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:33:26,364 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:33:26,364 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:33:26,365 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:33:26,365 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:33:26,366 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:33:26,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:33:26,367 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:33:26,367 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:33:26,368 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:33:26,368 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:33:26,368 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:26,369 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:33:26,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:33:26,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:33:26,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:33:26,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:33:26,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:33:26,371 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:33:26,371 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:26,371 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:33:26,371 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:33:26,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:33:26,372 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_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84ac8fa267d64a9ff97fefdd62c6972ed9002dc56ee81ce2b5d264dac17b008c [2023-12-03 02:33:26,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:33:26,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:33:26,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:33:26,692 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:33:26,693 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:33:26,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_10_bad.i [2023-12-03 02:33:29,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:33:29,810 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:33:29,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_10_bad.i [2023-12-03 02:33:29,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/data/02ce367ac/5be269676f7547e7ae540c01494a9aa4/FLAGa53951a92 [2023-12-03 02:33:29,850 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/data/02ce367ac/5be269676f7547e7ae540c01494a9aa4 [2023-12-03 02:33:29,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:33:29,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:33:29,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:33:29,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:33:29,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:33:29,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:33:29" (1/1) ... [2023-12-03 02:33:29,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af1faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:29, skipping insertion in model container [2023-12-03 02:33:29,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:33:29" (1/1) ... [2023-12-03 02:33:29,920 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:33:30,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:33:30,704 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:33:30,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:33:30,974 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:33:30,974 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:33:30,974 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:33:30,975 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:33:30,982 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:33:30,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:30 WrapperNode [2023-12-03 02:33:30,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:33:30,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:33:30,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:33:30,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:33:30,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:30" (1/1) ... [2023-12-03 02:33:31,018 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:30" (1/1) ... [2023-12-03 02:33:31,039 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2023-12-03 02:33:31,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:33:31,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:33:31,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:33:31,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:33:31,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:30" (1/1) ... [2023-12-03 02:33:31,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:30" (1/1) ... [2023-12-03 02:33:31,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:30" (1/1) ... [2023-12-03 02:33:31,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:30" (1/1) ... [2023-12-03 02:33:31,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:30" (1/1) ... [2023-12-03 02:33:31,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:30" (1/1) ... [2023-12-03 02:33:31,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:30" (1/1) ... [2023-12-03 02:33:31,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:30" (1/1) ... [2023-12-03 02:33:31,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:33:31,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:33:31,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:33:31,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:33:31,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:30" (1/1) ... [2023-12-03 02:33:31,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:33:31,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:33:31,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:33:31,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:33:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:33:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:33:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:33:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:33:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:33:31,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:33:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:33:31,270 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:33:31,272 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:33:31,377 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:33:31,425 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:33:31,425 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:33:31,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:33:31 BoogieIcfgContainer [2023-12-03 02:33:31,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:33:31,427 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:33:31,427 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:33:31,435 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:33:31,435 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:33:31" (1/1) ... [2023-12-03 02:33:31,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:33:31,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:31,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 02:33:31,489 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 02:33:31,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:33:31,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:31,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:31,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:31,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:31,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:33:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:33:31,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:33:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:33:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:33:31,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:33:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:33:31,780 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:33:31,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:33:31,784 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:33:31,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-12-03 02:33:31,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:33:31 ImpRootNode [2023-12-03 02:33:31,810 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:33:31,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:33:31,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:33:31,811 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:33:31,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:33:31" (3/4) ... [2023-12-03 02:33:31,814 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:33:31,815 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:33:31,816 INFO L158 Benchmark]: Toolchain (without parser) took 1961.33ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 46.5MB in the beginning and 71.9MB in the end (delta: -25.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-12-03 02:33:31,816 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 73.4MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:33:31,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1127.66ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 46.3MB in the beginning and 76.8MB in the end (delta: -30.4MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-12-03 02:33:31,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.00ms. Allocated memory is still 109.1MB. Free memory was 76.8MB in the beginning and 73.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:33:31,818 INFO L158 Benchmark]: Boogie Preprocessor took 29.54ms. Allocated memory is still 109.1MB. Free memory was 73.5MB in the beginning and 72.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:33:31,819 INFO L158 Benchmark]: RCFGBuilder took 355.73ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 55.8MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:33:31,820 INFO L158 Benchmark]: CodeCheck took 383.27ms. Allocated memory is still 109.1MB. Free memory was 55.8MB in the beginning and 72.5MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:33:31,820 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 71.9MB in the end (delta: 591.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:33:31,824 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE \read(globalTrue) 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 0.22ms. Allocated memory is still 73.4MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1127.66ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 46.3MB in the beginning and 76.8MB in the end (delta: -30.4MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.00ms. Allocated memory is still 109.1MB. Free memory was 76.8MB in the beginning and 73.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.54ms. Allocated memory is still 109.1MB. Free memory was 73.5MB in the beginning and 72.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 355.73ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 55.8MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 383.27ms. Allocated memory is still 109.1MB. Free memory was 55.8MB in the beginning and 72.5MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 71.9MB in the end (delta: 591.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet97 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:33:31,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d09119-c2a3-44ef-9fd2-8979bb04f7da/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample