./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_44_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_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b564c02da012c34c613f9633fd250e7c419dd1c5634779956c9a219f496bd12e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:49:42,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:49:42,463 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 01:49:42,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:49:42,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:49:42,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:49:42,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:49:42,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:49:42,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:49:42,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:49:42,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:49:42,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:49:42,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:49:42,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:49:42,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:49:42,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:49:42,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:49:42,502 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:49:42,502 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:49:42,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:49:42,503 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:49:42,504 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:49:42,505 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:49:42,505 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:49:42,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:49:42,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:49:42,506 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:49:42,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:49:42,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:49:42,508 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:49:42,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:49:42,508 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:49:42,509 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_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b564c02da012c34c613f9633fd250e7c419dd1c5634779956c9a219f496bd12e [2023-12-03 01:49:42,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:49:42,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:49:42,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:49:42,793 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:49:42,794 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:49:42,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_44_bad.i [2023-12-03 01:49:45,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:49:45,912 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:49:45,913 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_44_bad.i [2023-12-03 01:49:45,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/data/995fe08b3/017e4944286d4701bb02bc6e3f0d6ea2/FLAGf54356a86 [2023-12-03 01:49:45,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/data/995fe08b3/017e4944286d4701bb02bc6e3f0d6ea2 [2023-12-03 01:49:45,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:49:45,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:49:45,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:49:45,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:49:45,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:49:45,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:49:45" (1/1) ... [2023-12-03 01:49:45,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e623014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:45, skipping insertion in model container [2023-12-03 01:49:45,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:49:45" (1/1) ... [2023-12-03 01:49:46,024 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:49:46,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:49:46,749 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:49:46,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:49:46,962 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:49:46,963 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:49:46,963 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:49:46,963 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:49:46,964 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:49:46,972 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:49:46,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:46 WrapperNode [2023-12-03 01:49:46,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:49:46,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:49:46,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:49:46,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:49:46,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:46" (1/1) ... [2023-12-03 01:49:47,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:46" (1/1) ... [2023-12-03 01:49:47,038 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 54 [2023-12-03 01:49:47,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:49:47,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:49:47,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:49:47,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:49:47,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:46" (1/1) ... [2023-12-03 01:49:47,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:46" (1/1) ... [2023-12-03 01:49:47,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:46" (1/1) ... [2023-12-03 01:49:47,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:46" (1/1) ... [2023-12-03 01:49:47,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:46" (1/1) ... [2023-12-03 01:49:47,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:46" (1/1) ... [2023-12-03 01:49:47,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:46" (1/1) ... [2023-12-03 01:49:47,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:46" (1/1) ... [2023-12-03 01:49:47,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:49:47,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:49:47,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:49:47,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:49:47,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:46" (1/1) ... [2023-12-03 01:49:47,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:49:47,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:49:47,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:49:47,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:49:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:49:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:49:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:49:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:49:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:49:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:49:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:49:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:49:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:49:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:49:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:49:47,259 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:49:47,261 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:49:47,359 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:49:47,389 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:49:47,389 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:49:47,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:47 BoogieIcfgContainer [2023-12-03 01:49:47,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:49:47,392 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:49:47,392 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:49:47,399 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:49:47,399 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:47" (1/1) ... [2023-12-03 01:49:47,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:49:47,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:47,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 01:49:47,461 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 01:49:47,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:49:47,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:47,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:49:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:49:47,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:49:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:49:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:49:47,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:49:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:49:47,753 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:49:47,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-03 01:49:47,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:49:47 ImpRootNode [2023-12-03 01:49:47,777 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:49:47,778 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:49:47,778 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:49:47,778 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:49:47,779 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:47" (3/4) ... [2023-12-03 01:49:47,780 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:49:47,781 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:49:47,782 INFO L158 Benchmark]: Toolchain (without parser) took 1826.86ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 72.8MB in the beginning and 121.4MB in the end (delta: -48.6MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-12-03 01:49:47,783 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 82.3MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:49:47,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1017.09ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 72.5MB in the beginning and 96.9MB in the end (delta: -24.4MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2023-12-03 01:49:47,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.57ms. Allocated memory is still 174.1MB. Free memory was 96.9MB in the beginning and 93.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:49:47,785 INFO L158 Benchmark]: Boogie Preprocessor took 28.26ms. Allocated memory is still 174.1MB. Free memory was 93.6MB in the beginning and 92.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:49:47,785 INFO L158 Benchmark]: RCFGBuilder took 322.53ms. Allocated memory is still 174.1MB. Free memory was 92.5MB in the beginning and 78.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:49:47,786 INFO L158 Benchmark]: CodeCheck took 385.78ms. Allocated memory is still 174.1MB. Free memory was 77.9MB in the beginning and 121.4MB in the end (delta: -43.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:49:47,786 INFO L158 Benchmark]: Witness Printer took 3.38ms. Allocated memory is still 174.1MB. Free memory is still 121.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:49:47,790 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:35}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_multiply_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] EXPR \read(data) [L1562] CALL funcPtr(data) [L1550] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, 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 0.24ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 82.3MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1017.09ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 72.5MB in the beginning and 96.9MB in the end (delta: -24.4MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.57ms. Allocated memory is still 174.1MB. Free memory was 96.9MB in the beginning and 93.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.26ms. Allocated memory is still 174.1MB. Free memory was 93.6MB in the beginning and 92.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 322.53ms. Allocated memory is still 174.1MB. Free memory was 92.5MB in the beginning and 78.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 385.78ms. Allocated memory is still 174.1MB. Free memory was 77.9MB in the beginning and 121.4MB in the end (delta: -43.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.38ms. Allocated memory is still 174.1MB. Free memory is still 121.4MB. 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~nondet103 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:49:47,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b564c02da012c34c613f9633fd250e7c419dd1c5634779956c9a219f496bd12e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:49:49,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:49:49,949 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 01:49:49,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:49:49,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:49:49,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:49:49,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:49:49,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:49:49,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:49:49,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:49:49,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:49:49,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:49:49,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:49:49,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:49:49,988 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:49:49,989 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:49:49,989 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:49:49,990 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:49:49,991 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:49:49,991 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:49:49,992 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:49:49,992 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:49:49,993 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:49:49,993 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:49:49,994 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:49,994 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:49:49,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:49:49,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:49:49,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:49:49,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:49:49,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:49:49,997 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:49:49,997 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:49,997 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:49:49,997 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:49:49,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:49:49,998 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_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b564c02da012c34c613f9633fd250e7c419dd1c5634779956c9a219f496bd12e [2023-12-03 01:49:50,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:49:50,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:49:50,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:49:50,382 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:49:50,382 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:49:50,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_44_bad.i [2023-12-03 01:49:53,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:49:53,881 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:49:53,881 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_44_bad.i [2023-12-03 01:49:53,918 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/data/e7322df2a/8920e8940fba49e589116ae2d51cd2d1/FLAG4efc60a7b [2023-12-03 01:49:53,942 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/data/e7322df2a/8920e8940fba49e589116ae2d51cd2d1 [2023-12-03 01:49:53,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:49:53,946 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:49:53,948 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:49:53,949 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:49:53,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:49:53,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:49:53" (1/1) ... [2023-12-03 01:49:53,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35508514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:53, skipping insertion in model container [2023-12-03 01:49:53,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:49:53" (1/1) ... [2023-12-03 01:49:54,019 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:49:54,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:49:54,832 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:49:54,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:49:55,108 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:49:55,108 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:49:55,108 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:49:55,108 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:49:55,109 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:49:55,117 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:49:55,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:55 WrapperNode [2023-12-03 01:49:55,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:49:55,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:49:55,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:49:55,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:49:55,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:55" (1/1) ... [2023-12-03 01:49:55,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:55" (1/1) ... [2023-12-03 01:49:55,186 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 53 [2023-12-03 01:49:55,187 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:49:55,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:49:55,188 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:49:55,188 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:49:55,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:55" (1/1) ... [2023-12-03 01:49:55,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:55" (1/1) ... [2023-12-03 01:49:55,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:55" (1/1) ... [2023-12-03 01:49:55,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:55" (1/1) ... [2023-12-03 01:49:55,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:55" (1/1) ... [2023-12-03 01:49:55,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:55" (1/1) ... [2023-12-03 01:49:55,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:55" (1/1) ... [2023-12-03 01:49:55,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:55" (1/1) ... [2023-12-03 01:49:55,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:49:55,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:49:55,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:49:55,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:49:55,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:55" (1/1) ... [2023-12-03 01:49:55,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:49:55,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:49:55,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:49:55,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:49:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:49:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:49:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:49:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:49:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:49:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:49:55,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:49:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:49:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:49:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:49:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:49:55,485 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:49:55,487 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:49:55,661 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:49:55,709 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:49:55,710 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:49:55,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:55 BoogieIcfgContainer [2023-12-03 01:49:55,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:49:55,712 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:49:55,712 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:49:55,721 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:49:55,722 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:55" (1/1) ... [2023-12-03 01:49:55,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:49:55,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:55,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 01:49:55,790 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 01:49:55,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:49:55,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:55,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:55,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:55,797 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:55,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:49:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:49:56,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:49:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:49:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:49:56,204 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:49:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:49:56,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:49:56,297 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:49:56,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-03 01:49:56,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:49:56 ImpRootNode [2023-12-03 01:49:56,326 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:49:56,327 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:49:56,327 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:49:56,327 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:49:56,328 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:55" (3/4) ... [2023-12-03 01:49:56,330 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:49:56,331 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:49:56,332 INFO L158 Benchmark]: Toolchain (without parser) took 2385.94ms. Allocated memory is still 119.5MB. Free memory was 97.1MB in the beginning and 58.6MB in the end (delta: 38.6MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2023-12-03 01:49:56,333 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 62.9MB. Free memory was 39.6MB in the beginning and 39.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:49:56,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1169.97ms. Allocated memory is still 119.5MB. Free memory was 97.1MB in the beginning and 58.0MB in the end (delta: 39.1MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-12-03 01:49:56,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.04ms. Allocated memory is still 119.5MB. Free memory was 58.0MB in the beginning and 55.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:49:56,335 INFO L158 Benchmark]: Boogie Preprocessor took 48.33ms. Allocated memory is still 119.5MB. Free memory was 55.0MB in the beginning and 94.2MB in the end (delta: -39.2MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-12-03 01:49:56,336 INFO L158 Benchmark]: RCFGBuilder took 474.31ms. Allocated memory is still 119.5MB. Free memory was 94.2MB in the beginning and 77.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 01:49:56,337 INFO L158 Benchmark]: CodeCheck took 613.97ms. Allocated memory is still 119.5MB. Free memory was 77.4MB in the beginning and 59.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 01:49:56,337 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 119.5MB. Free memory was 59.0MB in the beginning and 58.6MB in the end (delta: 451.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:49:56,342 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s 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: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_multiply_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1562] EXPR \read(data) [L1562] CALL funcPtr(data) [L1550] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 62.9MB. Free memory was 39.6MB in the beginning and 39.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1169.97ms. Allocated memory is still 119.5MB. Free memory was 97.1MB in the beginning and 58.0MB in the end (delta: 39.1MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.04ms. Allocated memory is still 119.5MB. Free memory was 58.0MB in the beginning and 55.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.33ms. Allocated memory is still 119.5MB. Free memory was 55.0MB in the beginning and 94.2MB in the end (delta: -39.2MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * RCFGBuilder took 474.31ms. Allocated memory is still 119.5MB. Free memory was 94.2MB in the beginning and 77.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 613.97ms. Allocated memory is still 119.5MB. Free memory was 77.4MB in the beginning and 59.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 119.5MB. Free memory was 59.0MB in the beginning and 58.6MB in the end (delta: 451.1kB). 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~nondet101 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:49:56,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b43e7df-a8da-47df-a34b-6369e5618112/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample