./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_05_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_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/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_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/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_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/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 cc78d31d197c085a8e2c014379b0aa6f1afb4a95fd5c60745c7ace8813dcc6ba --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:43,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:43,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:10:43,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:43,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:43,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:43,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:43,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:43,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:43,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:43,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:43,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:43,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:43,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:43,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:43,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:43,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:43,520 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:10:43,520 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:10:43,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:43,521 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:43,522 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:43,523 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:43,523 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:43,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:43,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:43,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:43,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:43,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:43,526 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:43,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:43,528 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:43,528 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_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc78d31d197c085a8e2c014379b0aa6f1afb4a95fd5c60745c7ace8813dcc6ba [2023-11-24 22:10:43,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:43,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:43,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:43,856 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:43,856 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:43,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_05_bad.i [2023-11-24 22:10:46,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:47,267 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:47,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_05_bad.i [2023-11-24 22:10:47,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/data/acf0db3e4/2957507d22c34aae8576ce8e34af7803/FLAG0d29f2499 [2023-11-24 22:10:47,313 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/data/acf0db3e4/2957507d22c34aae8576ce8e34af7803 [2023-11-24 22:10:47,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:47,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:47,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:47,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:47,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:47,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4943f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:47, skipping insertion in model container [2023-11-24 22:10:47,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:47" (1/1) ... [2023-11-24 22:10:47,383 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:48,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:48,392 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:48,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:48,642 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:10:48,643 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:10:48,644 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:10:48,644 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:10:48,652 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:48,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48 WrapperNode [2023-11-24 22:10:48,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:48,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:48,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:48,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:48,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,717 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2023-11-24 22:10:48,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:48,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:48,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:48,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:48,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,744 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:48,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:48,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:48,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:48,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:48" (1/1) ... [2023-11-24 22:10:48,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:48,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:48,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:48,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:10:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:10:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:10:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:10:49,009 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:49,011 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:49,145 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:49,212 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:49,213 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:10:49,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:49 BoogieIcfgContainer [2023-11-24 22:10:49,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:49,215 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:49,215 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:49,232 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:49,232 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:49" (1/1) ... [2023-11-24 22:10:49,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:10:49,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:49,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:10:49,309 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:10:49,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:10:49,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:49,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:49,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:10:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:49,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:10:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:49,549 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:10:49,571 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 22:10:49,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:10:49 ImpRootNode [2023-11-24 22:10:49,577 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:10:49,577 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:10:49,578 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:10:49,578 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:10:49,578 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:49" (3/4) ... [2023-11-24 22:10:49,581 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:10:49,582 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:10:49,583 INFO L158 Benchmark]: Toolchain (without parser) took 2265.34ms. Allocated memory is still 172.0MB. Free memory was 135.1MB in the beginning and 119.9MB in the end (delta: 15.2MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:49,583 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory was 94.0MB in the beginning and 94.0MB in the end (delta: 24.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:49,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1336.31ms. Allocated memory is still 172.0MB. Free memory was 135.1MB in the beginning and 73.5MB in the end (delta: 61.6MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-24 22:10:49,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.99ms. Allocated memory is still 172.0MB. Free memory was 73.5MB in the beginning and 70.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:49,585 INFO L158 Benchmark]: Boogie Preprocessor took 29.61ms. Allocated memory is still 172.0MB. Free memory was 70.9MB in the beginning and 69.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:49,586 INFO L158 Benchmark]: RCFGBuilder took 465.41ms. Allocated memory is still 172.0MB. Free memory was 69.3MB in the beginning and 135.6MB in the end (delta: -66.3MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-24 22:10:49,587 INFO L158 Benchmark]: CodeCheck took 361.67ms. Allocated memory is still 172.0MB. Free memory was 135.6MB in the beginning and 119.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:10:49,587 INFO L158 Benchmark]: Witness Printer took 4.31ms. Allocated memory is still 172.0MB. Free memory was 119.9MB in the beginning and 119.9MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:49,591 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: 1561]: 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 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] 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}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] 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, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_min_predec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1556] 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, staticFalse=0, staticTrue=1] [L1558] COND TRUE \read(staticTrue) 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, staticFalse=0, staticTrue=1] [L1561] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory was 94.0MB in the beginning and 94.0MB in the end (delta: 24.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1336.31ms. Allocated memory is still 172.0MB. Free memory was 135.1MB in the beginning and 73.5MB in the end (delta: 61.6MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.99ms. Allocated memory is still 172.0MB. Free memory was 73.5MB in the beginning and 70.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.61ms. Allocated memory is still 172.0MB. Free memory was 70.9MB in the beginning and 69.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.41ms. Allocated memory is still 172.0MB. Free memory was 69.3MB in the beginning and 135.6MB in the end (delta: -66.3MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * CodeCheck took 361.67ms. Allocated memory is still 172.0MB. Free memory was 135.6MB in the beginning and 119.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.31ms. Allocated memory is still 172.0MB. Free memory was 119.9MB in the beginning and 119.9MB in the end (delta: 2.0kB). 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~nondet100 - 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 22:10:49,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/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_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/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_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/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_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/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 cc78d31d197c085a8e2c014379b0aa6f1afb4a95fd5c60745c7ace8813dcc6ba --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:52,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:52,311 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:10:52,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:52,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:52,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:52,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:52,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:52,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:52,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:52,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:52,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:52,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:52,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:52,372 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:10:52,372 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:10:52,373 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:10:52,373 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:10:52,374 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:10:52,374 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:52,374 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:52,375 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:52,376 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:52,376 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:52,376 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:10:52,377 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:10:52,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:52,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:52,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:52,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:52,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:52,380 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:10:52,380 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:10:52,381 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:52,381 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:10:52,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:10:52,381 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_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc78d31d197c085a8e2c014379b0aa6f1afb4a95fd5c60745c7ace8813dcc6ba [2023-11-24 22:10:52,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:52,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:52,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:52,833 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:52,836 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:52,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_05_bad.i [2023-11-24 22:10:55,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:56,401 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:56,401 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_05_bad.i [2023-11-24 22:10:56,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/data/baf6a6e83/fe982ed0cc0f416d87829d29d76e42bc/FLAG1b6d01a82 [2023-11-24 22:10:56,455 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/data/baf6a6e83/fe982ed0cc0f416d87829d29d76e42bc [2023-11-24 22:10:56,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:56,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:56,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:56,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:56,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:56,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510ea848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:56, skipping insertion in model container [2023-11-24 22:10:56,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:56" (1/1) ... [2023-11-24 22:10:56,548 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:57,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:57,813 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:57,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:58,075 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:10:58,075 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:10:58,075 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:10:58,075 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:10:58,083 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:58,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58 WrapperNode [2023-11-24 22:10:58,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:58,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:58,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:58,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:58,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:58,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:58,152 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2023-11-24 22:10:58,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:58,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:58,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:58,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:58,164 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:58,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:58,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:58,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:58,178 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:58,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:58,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:58,186 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:58,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:58,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:58,192 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:58,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:58,193 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:58,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:58,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:58,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:58,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:58,277 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:10:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:10:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:10:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:58,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:10:58,446 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:58,448 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:58,642 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:58,733 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:58,733 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:10:58,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:58 BoogieIcfgContainer [2023-11-24 22:10:58,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:58,736 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:58,737 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:58,747 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:58,749 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:58" (1/1) ... [2023-11-24 22:10:58,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:10:58,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:58,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:10:58,841 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:10:58,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:10:58,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:58,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:10:58,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:10:58,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:10:58,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:10:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:59,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:10:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:59,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:10:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:59,248 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:10:59,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:10:59,258 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:10:59,287 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-11-24 22:10:59,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:10:59 ImpRootNode [2023-11-24 22:10:59,294 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:10:59,296 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:10:59,296 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:10:59,296 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:10:59,297 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:58" (3/4) ... [2023-11-24 22:10:59,299 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:10:59,300 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:10:59,301 INFO L158 Benchmark]: Toolchain (without parser) took 2838.12ms. Allocated memory was 81.8MB in the beginning and 115.3MB in the end (delta: 33.6MB). Free memory was 54.0MB in the beginning and 69.7MB in the end (delta: -15.7MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:59,302 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 58.4MB in the end (delta: 141.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:59,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1617.53ms. Allocated memory was 81.8MB in the beginning and 115.3MB in the end (delta: 33.6MB). Free memory was 53.7MB in the beginning and 72.2MB in the end (delta: -18.5MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2023-11-24 22:10:59,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.29ms. Allocated memory is still 115.3MB. Free memory was 72.2MB in the beginning and 69.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:10:59,305 INFO L158 Benchmark]: Boogie Preprocessor took 36.82ms. Allocated memory is still 115.3MB. Free memory was 69.0MB in the beginning and 66.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:59,306 INFO L158 Benchmark]: RCFGBuilder took 544.07ms. Allocated memory is still 115.3MB. Free memory was 66.9MB in the beginning and 85.0MB in the end (delta: -18.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:59,307 INFO L158 Benchmark]: CodeCheck took 557.93ms. Allocated memory is still 115.3MB. Free memory was 85.0MB in the beginning and 70.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:10:59,307 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 115.3MB. Free memory was 70.3MB in the beginning and 69.7MB in the end (delta: 639.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:59,320 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] 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}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] 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, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_min_predec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1556] 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, staticFalse=0, staticTrue=1] [L1558] COND TRUE \read(staticTrue) 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, staticFalse=0, staticTrue=1] [L1561] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 58.4MB in the end (delta: 141.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1617.53ms. Allocated memory was 81.8MB in the beginning and 115.3MB in the end (delta: 33.6MB). Free memory was 53.7MB in the beginning and 72.2MB in the end (delta: -18.5MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.29ms. Allocated memory is still 115.3MB. Free memory was 72.2MB in the beginning and 69.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.82ms. Allocated memory is still 115.3MB. Free memory was 69.0MB in the beginning and 66.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 544.07ms. Allocated memory is still 115.3MB. Free memory was 66.9MB in the beginning and 85.0MB in the end (delta: -18.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * CodeCheck took 557.93ms. Allocated memory is still 115.3MB. Free memory was 85.0MB in the beginning and 70.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 115.3MB. Free memory was 70.3MB in the beginning and 69.7MB in the end (delta: 639.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet98 - GenericResult: Unfinished Backtranslation 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 22:10:59,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fe50f4a-9c5a-439f-86cf-88ec35d1e25a/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