./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_18_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_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/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_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/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_4340d160-e03a-49a0-be07-259b6041cc18/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 ab1bde687780dc6da404c288209f8d600c01c273554ef27fecbb791d166d54c5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:25,275 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:25,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:11:25,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:11:25,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:11:25,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:25,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:25,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:25,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:25,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:25,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:25,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:25,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:25,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:25,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:25,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:25,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:25,465 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:11:25,466 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:25,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:25,467 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:25,468 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:25,469 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:25,470 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:25,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:25,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:25,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:25,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:25,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:25,473 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:11:25,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:11:25,475 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:25,475 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_4340d160-e03a-49a0-be07-259b6041cc18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab1bde687780dc6da404c288209f8d600c01c273554ef27fecbb791d166d54c5 [2023-11-24 22:11:25,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:25,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:25,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:25,856 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:25,857 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:25,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_18_bad.i [2023-11-24 22:11:29,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:29,614 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:29,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_18_bad.i [2023-11-24 22:11:29,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/data/f4d03e306/cc58354021c440cb92681788bc4a2a26/FLAG54d2756a0 [2023-11-24 22:11:29,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/data/f4d03e306/cc58354021c440cb92681788bc4a2a26 [2023-11-24 22:11:29,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:29,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:29,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:29,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:29,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:29,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:29" (1/1) ... [2023-11-24 22:11:29,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d57d8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:29, skipping insertion in model container [2023-11-24 22:11:29,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:29" (1/1) ... [2023-11-24 22:11:29,781 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:30,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:30,940 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:31,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:31,239 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:31,239 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:31,239 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:31,239 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:31,247 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:31,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:31 WrapperNode [2023-11-24 22:11:31,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:31,250 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:31,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:31,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:31,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:31" (1/1) ... [2023-11-24 22:11:31,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:31" (1/1) ... [2023-11-24 22:11:31,333 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-11-24 22:11:31,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:31,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:31,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:31,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:31,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:31" (1/1) ... [2023-11-24 22:11:31,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:31" (1/1) ... [2023-11-24 22:11:31,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:31" (1/1) ... [2023-11-24 22:11:31,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:31" (1/1) ... [2023-11-24 22:11:31,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:31" (1/1) ... [2023-11-24 22:11:31,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:31" (1/1) ... [2023-11-24 22:11:31,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:31" (1/1) ... [2023-11-24 22:11:31,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:31" (1/1) ... [2023-11-24 22:11:31,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:31,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:31,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:31,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:31,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:31" (1/1) ... [2023-11-24 22:11:31,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:31,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:31,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:31,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:11:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:11:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:11:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:11:31,706 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:31,708 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:31,804 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:31,856 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:31,857 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:11:31,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:31 BoogieIcfgContainer [2023-11-24 22:11:31,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:31,865 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:31,865 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:31,876 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:31,876 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:31" (1/1) ... [2023-11-24 22:11:31,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:31,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:31,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:11:31,951 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:11:31,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:11:31,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:31,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:32,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:11:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:32,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:11:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:32,262 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:11:32,289 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-24 22:11:32,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:11:32 ImpRootNode [2023-11-24 22:11:32,294 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:11:32,298 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:11:32,299 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:11:32,299 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:11:32,300 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:31" (3/4) ... [2023-11-24 22:11:32,304 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:11:32,305 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:11:32,307 INFO L158 Benchmark]: Toolchain (without parser) took 2629.75ms. Allocated memory is still 130.0MB. Free memory was 83.9MB in the beginning and 75.2MB in the end (delta: 8.7MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-24 22:11:32,308 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:32,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1568.27ms. Allocated memory is still 130.0MB. Free memory was 83.9MB in the beginning and 56.5MB in the end (delta: 27.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-24 22:11:32,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.64ms. Allocated memory is still 130.0MB. Free memory was 56.5MB in the beginning and 53.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:32,311 INFO L158 Benchmark]: Boogie Preprocessor took 42.01ms. Allocated memory is still 130.0MB. Free memory was 53.8MB in the beginning and 52.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:32,311 INFO L158 Benchmark]: RCFGBuilder took 486.87ms. Allocated memory is still 130.0MB. Free memory was 52.3MB in the beginning and 89.8MB in the end (delta: -37.5MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-11-24 22:11:32,313 INFO L158 Benchmark]: CodeCheck took 430.28ms. Allocated memory is still 130.0MB. Free memory was 89.8MB in the beginning and 75.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:11:32,313 INFO L158 Benchmark]: Witness Printer took 7.26ms. Allocated memory is still 130.0MB. Free memory was 75.6MB in the beginning and 75.2MB in the end (delta: 466.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:32,323 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1558]: 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 1565. 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); [L1565] 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) [L1565] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_min_sub_18_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1568.27ms. Allocated memory is still 130.0MB. Free memory was 83.9MB in the beginning and 56.5MB in the end (delta: 27.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.64ms. Allocated memory is still 130.0MB. Free memory was 56.5MB in the beginning and 53.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.01ms. Allocated memory is still 130.0MB. Free memory was 53.8MB in the beginning and 52.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.87ms. Allocated memory is still 130.0MB. Free memory was 52.3MB in the beginning and 89.8MB in the end (delta: -37.5MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * CodeCheck took 430.28ms. Allocated memory is still 130.0MB. Free memory was 89.8MB in the beginning and 75.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.26ms. Allocated memory is still 130.0MB. Free memory was 75.6MB in the beginning and 75.2MB in the end (delta: 466.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet99 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:11:32,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/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_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/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_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/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_4340d160-e03a-49a0-be07-259b6041cc18/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 ab1bde687780dc6da404c288209f8d600c01c273554ef27fecbb791d166d54c5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:35,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:35,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:11:35,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:35,330 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:35,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:35,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:35,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:35,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:35,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:35,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:35,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:35,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:35,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:35,343 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:11:35,344 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:11:35,345 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:11:35,345 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:11:35,346 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:11:35,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:35,348 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:35,349 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:35,350 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:35,350 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:35,351 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:35,351 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:11:35,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:35,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:35,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:35,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:35,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:35,355 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:11:35,356 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:35,356 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:35,357 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:11:35,357 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:11:35,358 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_4340d160-e03a-49a0-be07-259b6041cc18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab1bde687780dc6da404c288209f8d600c01c273554ef27fecbb791d166d54c5 [2023-11-24 22:11:35,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:35,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:35,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:35,832 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:35,833 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:35,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_18_bad.i [2023-11-24 22:11:39,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:39,618 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:39,619 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_18_bad.i [2023-11-24 22:11:39,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/data/31e3bc273/8b2bd9d77b3d4c358fef42f37a9e4290/FLAG7da5bbd31 [2023-11-24 22:11:39,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/data/31e3bc273/8b2bd9d77b3d4c358fef42f37a9e4290 [2023-11-24 22:11:39,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:39,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:39,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:39,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:39,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:39,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:39" (1/1) ... [2023-11-24 22:11:39,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b22e3db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:39, skipping insertion in model container [2023-11-24 22:11:39,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:39" (1/1) ... [2023-11-24 22:11:39,750 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:40,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:40,889 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:41,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:41,260 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:41,260 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:41,260 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:41,260 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:11:41,269 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:41,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:41 WrapperNode [2023-11-24 22:11:41,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:41,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:41,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:41,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:41,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:41" (1/1) ... [2023-11-24 22:11:41,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:41" (1/1) ... [2023-11-24 22:11:41,355 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-11-24 22:11:41,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:41,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:41,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:41,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:41,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:41" (1/1) ... [2023-11-24 22:11:41,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:41" (1/1) ... [2023-11-24 22:11:41,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:41" (1/1) ... [2023-11-24 22:11:41,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:41" (1/1) ... [2023-11-24 22:11:41,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:41" (1/1) ... [2023-11-24 22:11:41,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:41" (1/1) ... [2023-11-24 22:11:41,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:41" (1/1) ... [2023-11-24 22:11:41,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:41" (1/1) ... [2023-11-24 22:11:41,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:41,427 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:41,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:41,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:41,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:41" (1/1) ... [2023-11-24 22:11:41,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:41,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:41,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:41,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:11:41,567 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:11:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:11:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:41,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:11:41,777 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:41,779 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:41,954 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:42,041 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:42,044 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:11:42,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:42 BoogieIcfgContainer [2023-11-24 22:11:42,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:42,048 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:42,048 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:42,059 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:42,061 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:42" (1/1) ... [2023-11-24 22:11:42,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:42,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:42,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:11:42,146 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:11:42,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:11:42,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:42,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:11:42,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:11:42,163 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:11:42,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:11:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:42,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:11:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:42,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:11:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:11:42,548 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:11:42,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 22:11:42,560 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:11:42,590 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-24 22:11:42,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:11:42 ImpRootNode [2023-11-24 22:11:42,595 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:11:42,598 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:11:42,598 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:11:42,598 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:11:42,599 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:42" (3/4) ... [2023-11-24 22:11:42,601 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:11:42,602 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:11:42,604 INFO L158 Benchmark]: Toolchain (without parser) took 2937.38ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 45.7MB in the beginning and 43.7MB in the end (delta: 2.0MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-11-24 22:11:42,604 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 73.4MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:42,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1602.62ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 45.5MB in the beginning and 56.1MB in the end (delta: -10.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2023-11-24 22:11:42,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.00ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 53.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:42,607 INFO L158 Benchmark]: Boogie Preprocessor took 69.96ms. Allocated memory is still 90.2MB. Free memory was 53.2MB in the beginning and 51.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:42,609 INFO L158 Benchmark]: RCFGBuilder took 619.92ms. Allocated memory is still 90.2MB. Free memory was 51.1MB in the beginning and 57.6MB in the end (delta: -6.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-24 22:11:42,610 INFO L158 Benchmark]: CodeCheck took 547.36ms. Allocated memory is still 90.2MB. Free memory was 57.6MB in the beginning and 44.1MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:11:42,610 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 90.2MB. Free memory was 44.1MB in the beginning and 43.7MB in the end (delta: 447.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:42,625 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: 0.5s, 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, 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: 1558]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_min_sub_18_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 73.4MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1602.62ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 45.5MB in the beginning and 56.1MB in the end (delta: -10.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.00ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 53.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.96ms. Allocated memory is still 90.2MB. Free memory was 53.2MB in the beginning and 51.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 619.92ms. Allocated memory is still 90.2MB. Free memory was 51.1MB in the beginning and 57.6MB in the end (delta: -6.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * CodeCheck took 547.36ms. Allocated memory is still 90.2MB. Free memory was 57.6MB in the beginning and 44.1MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 90.2MB. Free memory was 44.1MB in the beginning and 43.7MB in the end (delta: 447.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet97 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:11:42,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4340d160-e03a-49a0-be07-259b6041cc18/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