./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_53_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_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/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_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/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_2f423a98-6df4-44a4-8871-0738ab94723a/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 7d60211a7234033b01fc51cb003992ddf0ad9ade350c20038139b7a8c4ba04d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:37,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:37,447 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:55:37,454 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:37,455 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:37,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:37,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:37,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:37,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:37,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:37,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:37,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:37,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:37,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:37,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:37,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:37,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:37,516 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:55:37,517 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:37,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:37,518 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:37,520 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:37,520 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:37,522 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:37,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:37,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:37,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:37,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:37,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:37,526 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:37,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:37,528 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:37,529 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_2f423a98-6df4-44a4-8871-0738ab94723a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d60211a7234033b01fc51cb003992ddf0ad9ade350c20038139b7a8c4ba04d0 [2023-11-24 22:55:37,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:38,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:38,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:38,015 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:38,015 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:38,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_53_bad.i [2023-11-24 22:55:41,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:42,156 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:42,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_53_bad.i [2023-11-24 22:55:42,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/data/93a6d3372/a3257516d64f4749899e6c72a4c205f3/FLAG6647a2031 [2023-11-24 22:55:42,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/data/93a6d3372/a3257516d64f4749899e6c72a4c205f3 [2023-11-24 22:55:42,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:42,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:42,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:42,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:42,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:42,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:42" (1/1) ... [2023-11-24 22:55:42,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e188774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:42, skipping insertion in model container [2023-11-24 22:55:42,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:42" (1/1) ... [2023-11-24 22:55:42,321 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:43,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:43,643 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:43,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:44,100 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:44,101 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:44,101 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:44,101 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:44,111 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:44,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:44 WrapperNode [2023-11-24 22:55:44,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:44,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:44,115 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:44,115 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:44,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:44" (1/1) ... [2023-11-24 22:55:44,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:44" (1/1) ... [2023-11-24 22:55:44,227 INFO L138 Inliner]: procedures = 501, calls = 58, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 98 [2023-11-24 22:55:44,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:44,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:44,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:44,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:44,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:44" (1/1) ... [2023-11-24 22:55:44,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:44" (1/1) ... [2023-11-24 22:55:44,273 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:44" (1/1) ... [2023-11-24 22:55:44,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:44" (1/1) ... [2023-11-24 22:55:44,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:44" (1/1) ... [2023-11-24 22:55:44,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:44" (1/1) ... [2023-11-24 22:55:44,302 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:44" (1/1) ... [2023-11-24 22:55:44,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:44" (1/1) ... [2023-11-24 22:55:44,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:44,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:44,325 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:44,325 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:44,326 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:44" (1/1) ... [2023-11-24 22:55:44,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:44,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:44,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:44,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:55:44,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:55:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:44,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:55:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:44,606 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:44,609 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:44,909 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:45,216 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:45,216 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:55:45,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:45 BoogieIcfgContainer [2023-11-24 22:55:45,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:45,220 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:45,223 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:45,239 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:45,239 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:45,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:45,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:55:45,327 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:55:45,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:55:45,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:45,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:45,937 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:55:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:46,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:55:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:46,412 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:55:46,446 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-11-24 22:55:46,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:55:46 ImpRootNode [2023-11-24 22:55:46,455 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:55:46,459 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:55:46,459 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:55:46,460 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:55:46,460 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:45" (3/4) ... [2023-11-24 22:55:46,468 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:55:46,469 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:55:46,471 INFO L158 Benchmark]: Toolchain (without parser) took 4258.45ms. Allocated memory was 169.9MB in the beginning and 207.6MB in the end (delta: 37.7MB). Free memory was 138.9MB in the beginning and 144.8MB in the end (delta: -5.9MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-11-24 22:55:46,472 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:46,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1899.06ms. Allocated memory is still 169.9MB. Free memory was 138.2MB in the beginning and 126.3MB in the end (delta: 11.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-24 22:55:46,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.78ms. Allocated memory is still 169.9MB. Free memory was 126.3MB in the beginning and 123.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:46,476 INFO L158 Benchmark]: Boogie Preprocessor took 91.16ms. Allocated memory is still 169.9MB. Free memory was 123.3MB in the beginning and 121.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:46,477 INFO L158 Benchmark]: RCFGBuilder took 894.19ms. Allocated memory is still 169.9MB. Free memory was 121.2MB in the beginning and 83.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-24 22:55:46,478 INFO L158 Benchmark]: CodeCheck took 1236.62ms. Allocated memory was 169.9MB in the beginning and 207.6MB in the end (delta: 37.7MB). Free memory was 83.5MB in the beginning and 144.8MB in the end (delta: -61.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:46,479 INFO L158 Benchmark]: Witness Printer took 10.80ms. Allocated memory is still 207.6MB. Free memory is still 144.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:46,492 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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: 1577]: 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 1559, overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_predec_53d_badSink(data) [L1577] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.40ms. Allocated memory is still 117.4MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1899.06ms. Allocated memory is still 169.9MB. Free memory was 138.2MB in the beginning and 126.3MB in the end (delta: 11.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.78ms. Allocated memory is still 169.9MB. Free memory was 126.3MB in the beginning and 123.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.16ms. Allocated memory is still 169.9MB. Free memory was 123.3MB in the beginning and 121.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 894.19ms. Allocated memory is still 169.9MB. Free memory was 121.2MB in the beginning and 83.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 1236.62ms. Allocated memory was 169.9MB in the beginning and 207.6MB in the end (delta: 37.7MB). Free memory was 83.5MB in the beginning and 144.8MB in the end (delta: -61.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.80ms. Allocated memory is still 207.6MB. Free memory is still 144.8MB. 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~nondet111 - 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 22:55:46,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/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_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/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_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/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_2f423a98-6df4-44a4-8871-0738ab94723a/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 7d60211a7234033b01fc51cb003992ddf0ad9ade350c20038139b7a8c4ba04d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:49,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:49,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:55:50,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:50,062 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:50,063 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:50,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:50,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:50,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:50,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:50,074 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:50,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:50,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:50,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:50,078 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:55:50,079 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:55:50,079 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:55:50,080 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:55:50,081 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:50,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:50,083 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:50,084 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:50,085 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:50,086 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:50,086 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:55:50,087 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:55:50,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:50,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:50,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:50,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:50,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:50,091 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:55:50,091 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:55:50,092 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:50,092 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:55:50,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:55:50,093 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_2f423a98-6df4-44a4-8871-0738ab94723a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d60211a7234033b01fc51cb003992ddf0ad9ade350c20038139b7a8c4ba04d0 [2023-11-24 22:55:50,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:50,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:50,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:50,634 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:50,636 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:50,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_53_bad.i [2023-11-24 22:55:54,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:55,341 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:55,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_53_bad.i [2023-11-24 22:55:55,380 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/data/87193fa71/e2d5cd5538ca4cc2853e2b622f340da4/FLAG6da529ac6 [2023-11-24 22:55:55,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/data/87193fa71/e2d5cd5538ca4cc2853e2b622f340da4 [2023-11-24 22:55:55,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:55,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:55,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:55,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:55,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:55,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:55" (1/1) ... [2023-11-24 22:55:55,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7290ce2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:55, skipping insertion in model container [2023-11-24 22:55:55,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:55" (1/1) ... [2023-11-24 22:55:55,508 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:56,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:56,731 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:56,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:57,120 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:57,120 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:57,121 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:57,121 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:57,131 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:57,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57 WrapperNode [2023-11-24 22:55:57,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:57,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:57,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:57,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:57,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:57,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:57,262 INFO L138 Inliner]: procedures = 506, calls = 58, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 66 [2023-11-24 22:55:57,263 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:57,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:57,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:57,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:57,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:57,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:57,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:57,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:57,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:57,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:57,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:57,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:57,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:57,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:57,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:57,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:57,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:57,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:57,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:57,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:57,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:55:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:55:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:55:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:55:57,752 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:57,755 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:57,946 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:58,030 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:58,030 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:55:58,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:58 BoogieIcfgContainer [2023-11-24 22:55:58,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:58,034 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:58,035 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:58,048 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:58,048 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:58" (1/1) ... [2023-11-24 22:55:58,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:58,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:58,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:55:58,130 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:55:58,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:55:58,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:58,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:55:58,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:55:58,144 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:55:58,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:55:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:58,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:55:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:58,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:55:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:58,662 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:55:58,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:55:58,681 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:55:58,714 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-11-24 22:55:58,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:55:58 ImpRootNode [2023-11-24 22:55:58,721 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:55:58,722 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:55:58,722 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:55:58,723 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:55:58,724 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:58" (3/4) ... [2023-11-24 22:55:58,726 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:55:58,728 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:55:58,729 INFO L158 Benchmark]: Toolchain (without parser) took 3324.77ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 43.8MB in the beginning and 40.8MB in the end (delta: 3.0MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-11-24 22:55:58,730 INFO L158 Benchmark]: CDTParser took 1.30ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:58,731 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1726.63ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 43.6MB in the beginning and 57.7MB in the end (delta: -14.1MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2023-11-24 22:55:58,732 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.53ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 54.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:58,733 INFO L158 Benchmark]: Boogie Preprocessor took 79.24ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 52.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:58,734 INFO L158 Benchmark]: RCFGBuilder took 673.07ms. Allocated memory is still 92.3MB. Free memory was 52.6MB in the beginning and 57.0MB in the end (delta: -4.3MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-24 22:55:58,735 INFO L158 Benchmark]: CodeCheck took 687.16ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 41.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:55:58,736 INFO L158 Benchmark]: Witness Printer took 5.79ms. Allocated memory is still 92.3MB. Free memory was 41.3MB in the beginning and 40.8MB in the end (delta: 484.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:58,740 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 6 NumberOfCodeBlocks, 6 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: 1577]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_predec_53d_badSink(data) [L1577] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 1.30ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1726.63ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 43.6MB in the beginning and 57.7MB in the end (delta: -14.1MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.53ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 54.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.24ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 52.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 673.07ms. Allocated memory is still 92.3MB. Free memory was 52.6MB in the beginning and 57.0MB in the end (delta: -4.3MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * CodeCheck took 687.16ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 41.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.79ms. Allocated memory is still 92.3MB. Free memory was 41.3MB in the beginning and 40.8MB in the end (delta: 484.3kB). 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~nondet105 - 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 22:55:58,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f423a98-6df4-44a4-8871-0738ab94723a/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