./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/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_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/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_aece14f2-2abc-4f20-9dd4-fb75f865c715/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 d1f05a99d5e06a7a614cbba82b73b3239afa97a5bf92383bf342924954e0c990 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:56,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:56,561 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:58:56,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:58:56,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:58:56,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:56,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:56,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:56,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:56,618 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:56,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:56,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:56,620 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:58:56,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:56,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:56,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:56,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:56,623 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:58:56,624 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:58:56,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:56,625 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:56,626 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:56,626 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:56,627 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:56,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:56,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:56,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:56,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:56,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:56,629 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:58:56,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:58:56,631 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:56,631 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_aece14f2-2abc-4f20-9dd4-fb75f865c715/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1f05a99d5e06a7a614cbba82b73b3239afa97a5bf92383bf342924954e0c990 [2023-11-24 22:58:56,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:56,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:56,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:56,959 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:56,960 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:56,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i [2023-11-24 22:59:00,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:00,672 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:00,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i [2023-11-24 22:59:00,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/data/1f8e314bf/3b2bf713b9a343a598736ee2f5241038/FLAGaf81680ac [2023-11-24 22:59:00,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/data/1f8e314bf/3b2bf713b9a343a598736ee2f5241038 [2023-11-24 22:59:00,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:00,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:00,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:00,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:00,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:00,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:00" (1/1) ... [2023-11-24 22:59:00,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4a74da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:00, skipping insertion in model container [2023-11-24 22:59:00,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:00" (1/1) ... [2023-11-24 22:59:00,800 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:01,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:01,978 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:02,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:02,346 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:02,346 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:02,346 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:02,346 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:02,354 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:02,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:02 WrapperNode [2023-11-24 22:59:02,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:02,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:02,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:02,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:02,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:02" (1/1) ... [2023-11-24 22:59:02,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:02" (1/1) ... [2023-11-24 22:59:02,436 INFO L138 Inliner]: procedures = 499, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2023-11-24 22:59:02,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:02,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:02,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:02,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:02,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:02" (1/1) ... [2023-11-24 22:59:02,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:02" (1/1) ... [2023-11-24 22:59:02,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:02" (1/1) ... [2023-11-24 22:59:02,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:02" (1/1) ... [2023-11-24 22:59:02,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:02" (1/1) ... [2023-11-24 22:59:02,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:02" (1/1) ... [2023-11-24 22:59:02,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:02" (1/1) ... [2023-11-24 22:59:02,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:02" (1/1) ... [2023-11-24 22:59:02,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:02,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:02,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:02,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:02,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:02" (1/1) ... [2023-11-24 22:59:02,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:02,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:02,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:02,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:59:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:59:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:59:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:59:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:59:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:59:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:59:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:59:02,792 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:02,794 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:02,989 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:03,032 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:03,032 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:59:03,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:03 BoogieIcfgContainer [2023-11-24 22:59:03,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:03,035 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:03,035 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:03,045 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:03,046 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:03" (1/1) ... [2023-11-24 22:59:03,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:03,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:59:03,108 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:59:03,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:59:03,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:03,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:03,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:03,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:03,480 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:59:03,503 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 22:59:03,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:59:03 ImpRootNode [2023-11-24 22:59:03,510 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:59:03,510 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:59:03,511 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:59:03,511 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:59:03,511 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:03" (3/4) ... [2023-11-24 22:59:03,514 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:59:03,515 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:59:03,516 INFO L158 Benchmark]: Toolchain (without parser) took 2783.62ms. Allocated memory is still 161.5MB. Free memory was 113.7MB in the beginning and 119.7MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:03,516 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:03,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1621.97ms. Allocated memory is still 161.5MB. Free memory was 113.7MB in the beginning and 96.7MB in the end (delta: 16.9MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-11-24 22:59:03,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.14ms. Allocated memory is still 161.5MB. Free memory was 96.7MB in the beginning and 93.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:59:03,519 INFO L158 Benchmark]: Boogie Preprocessor took 29.88ms. Allocated memory is still 161.5MB. Free memory was 93.8MB in the beginning and 92.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:03,520 INFO L158 Benchmark]: RCFGBuilder took 559.20ms. Allocated memory is still 161.5MB. Free memory was 92.6MB in the beginning and 77.6MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:59:03,520 INFO L158 Benchmark]: CodeCheck took 475.00ms. Allocated memory is still 161.5MB. Free memory was 77.6MB in the beginning and 120.6MB in the end (delta: -43.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:03,521 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 161.5MB. Free memory was 120.6MB in the beginning and 119.7MB in the end (delta: 892.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:03,525 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1556]: 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 1563. 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); [L1563] 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) [L1563] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={12:16}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fscanf_multiply_61b_badSource(data) [L1571] EXPR \read(data) [L1571] return data; [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fscanf_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fscanf_multiply_61b_badSource(data) [L1554] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, 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 0.32ms. Allocated memory is still 113.2MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1621.97ms. Allocated memory is still 161.5MB. Free memory was 113.7MB in the beginning and 96.7MB in the end (delta: 16.9MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.14ms. Allocated memory is still 161.5MB. Free memory was 96.7MB in the beginning and 93.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.88ms. Allocated memory is still 161.5MB. Free memory was 93.8MB in the beginning and 92.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 559.20ms. Allocated memory is still 161.5MB. Free memory was 92.6MB in the beginning and 77.6MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 475.00ms. Allocated memory is still 161.5MB. Free memory was 77.6MB in the beginning and 120.6MB in the end (delta: -43.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 161.5MB. Free memory was 120.6MB in the beginning and 119.7MB in the end (delta: 892.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:59:03,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/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_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/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_aece14f2-2abc-4f20-9dd4-fb75f865c715/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 d1f05a99d5e06a7a614cbba82b73b3239afa97a5bf92383bf342924954e0c990 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:06,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:06,343 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:59:06,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:06,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:06,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:06,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:06,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:06,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:06,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:06,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:06,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:06,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:06,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:06,409 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:59:06,409 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:59:06,409 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:59:06,410 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:59:06,410 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:59:06,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:06,412 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:06,413 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:06,413 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:06,414 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:06,414 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:06,415 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:59:06,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:06,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:06,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:06,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:06,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:06,418 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:59:06,418 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:06,419 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:06,419 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:59:06,419 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:59:06,419 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_aece14f2-2abc-4f20-9dd4-fb75f865c715/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1f05a99d5e06a7a614cbba82b73b3239afa97a5bf92383bf342924954e0c990 [2023-11-24 22:59:06,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:06,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:06,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:06,837 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:06,837 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:06,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i [2023-11-24 22:59:09,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:10,440 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:10,441 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_61_bad.i [2023-11-24 22:59:10,472 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/data/eb9e00d28/5683118d21b649beb350246eb9a355e4/FLAGda552d38b [2023-11-24 22:59:10,494 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/data/eb9e00d28/5683118d21b649beb350246eb9a355e4 [2023-11-24 22:59:10,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:10,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:10,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:10,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:10,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:10,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:10" (1/1) ... [2023-11-24 22:59:10,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc985ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:10, skipping insertion in model container [2023-11-24 22:59:10,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:10" (1/1) ... [2023-11-24 22:59:10,595 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:11,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:11,677 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:11,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:12,007 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:12,007 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:12,008 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:12,008 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:12,016 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:12,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12 WrapperNode [2023-11-24 22:59:12,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:12,018 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:12,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:12,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:12,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,099 INFO L138 Inliner]: procedures = 504, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2023-11-24 22:59:12,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:12,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:12,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:12,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:12,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,114 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:12,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:12,138 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:12,138 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:12,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:12,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:12,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:12,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:59:12,223 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:59:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:59:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:59:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:12,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:59:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:59:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:59:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:59:12,460 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:12,463 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:12,709 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:12,789 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:12,790 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:59:12,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:12 BoogieIcfgContainer [2023-11-24 22:59:12,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:12,793 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:12,794 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:12,804 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:12,804 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:12" (1/1) ... [2023-11-24 22:59:12,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:12,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:12,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:59:12,915 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:59:12,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:59:12,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:12,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:12,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:59:12,930 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:59:12,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:59:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:13,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:13,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:13,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:59:13,582 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:59:13,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-11-24 22:59:13,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:59:13 ImpRootNode [2023-11-24 22:59:13,628 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:59:13,632 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:59:13,632 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:59:13,632 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:59:13,633 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:12" (3/4) ... [2023-11-24 22:59:13,636 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:59:13,637 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:59:13,638 INFO L158 Benchmark]: Toolchain (without parser) took 3137.18ms. Allocated memory is still 96.5MB. Free memory was 68.4MB in the beginning and 52.1MB in the end (delta: 16.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-11-24 22:59:13,638 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 69.2MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:13,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1513.56ms. Allocated memory is still 96.5MB. Free memory was 68.2MB in the beginning and 60.8MB in the end (delta: 7.4MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:13,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.92ms. Allocated memory is still 96.5MB. Free memory was 60.3MB in the beginning and 57.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:13,646 INFO L158 Benchmark]: Boogie Preprocessor took 36.03ms. Allocated memory is still 96.5MB. Free memory was 57.7MB in the beginning and 55.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:13,647 INFO L158 Benchmark]: RCFGBuilder took 655.26ms. Allocated memory is still 96.5MB. Free memory was 55.6MB in the beginning and 38.2MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:59:13,648 INFO L158 Benchmark]: CodeCheck took 834.24ms. Allocated memory is still 96.5MB. Free memory was 38.2MB in the beginning and 52.7MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:13,649 INFO L158 Benchmark]: Witness Printer took 5.26ms. Allocated memory is still 96.5MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:13,661 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1556]: 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 1563. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fscanf_multiply_61b_badSource(data) [L1571] EXPR \read(data) [L1571] return data; [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fscanf_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fscanf_multiply_61b_badSource(data) [L1554] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 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 0.34ms. Allocated memory is still 69.2MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1513.56ms. Allocated memory is still 96.5MB. Free memory was 68.2MB in the beginning and 60.8MB in the end (delta: 7.4MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.92ms. Allocated memory is still 96.5MB. Free memory was 60.3MB in the beginning and 57.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.03ms. Allocated memory is still 96.5MB. Free memory was 57.7MB in the beginning and 55.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 655.26ms. Allocated memory is still 96.5MB. Free memory was 55.6MB in the beginning and 38.2MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 834.24ms. Allocated memory is still 96.5MB. Free memory was 38.2MB in the beginning and 52.7MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.26ms. Allocated memory is still 96.5MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet98 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:59:13,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aece14f2-2abc-4f20-9dd4-fb75f865c715/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