./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_10_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4ed2dd-31a4-497f-aadd-c7b75f682b48/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4ed2dd-31a4-497f-aadd-c7b75f682b48/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4ed2dd-31a4-497f-aadd-c7b75f682b48/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4ed2dd-31a4-497f-aadd-c7b75f682b48/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4ed2dd-31a4-497f-aadd-c7b75f682b48/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4ed2dd-31a4-497f-aadd-c7b75f682b48/bin/ukojak-verify-G8NBE6pJGL --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 13363418eb83d74721f594d1c0e50d7304dc362060c22caf7cc625654c265471 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:34:41,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:34:41,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4ed2dd-31a4-497f-aadd-c7b75f682b48/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:34:41,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:34:41,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:34:41,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:34:41,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:34:41,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:34:41,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:34:41,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:34:41,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:34:41,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:34:41,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:34:41,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:34:41,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:34:41,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:34:41,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:34:41,656 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:34:41,657 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:34:41,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:34:41,658 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:34:41,659 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:34:41,660 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:34:41,661 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:34:41,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:34:41,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:41,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:34:41,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:34:41,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:34:41,665 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:34:41,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:34:41,666 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:34:41,667 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_2e4ed2dd-31a4-497f-aadd-c7b75f682b48/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4ed2dd-31a4-497f-aadd-c7b75f682b48/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13363418eb83d74721f594d1c0e50d7304dc362060c22caf7cc625654c265471 [2023-11-19 03:34:42,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:34:42,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:34:42,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:34:42,076 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:34:42,077 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:34:42,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4ed2dd-31a4-497f-aadd-c7b75f682b48/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_10_bad.i [2023-11-19 03:34:45,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:34:46,365 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:34:46,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4ed2dd-31a4-497f-aadd-c7b75f682b48/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_10_bad.i [2023-11-19 03:34:46,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4ed2dd-31a4-497f-aadd-c7b75f682b48/bin/ukojak-verify-G8NBE6pJGL/data/cffcb9527/d1a8dbe73fde45eda1ff7e43032020a8/FLAG924eee742 [2023-11-19 03:34:46,423 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4ed2dd-31a4-497f-aadd-c7b75f682b48/bin/ukojak-verify-G8NBE6pJGL/data/cffcb9527/d1a8dbe73fde45eda1ff7e43032020a8 [2023-11-19 03:34:46,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:34:46,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:34:46,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:46,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:34:46,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:34:46,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:46" (1/1) ... [2023-11-19 03:34:46,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e57723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:46, skipping insertion in model container [2023-11-19 03:34:46,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:46" (1/1) ... [2023-11-19 03:34:46,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:34:47,032 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:34:47,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:47,790 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:34:47,813 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:34:47,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:48,187 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:48,188 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:48,188 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:48,189 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:48,189 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:34:48,199 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:34:48,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:48 WrapperNode [2023-11-19 03:34:48,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:48,203 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:48,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:34:48,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:34:48,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:48" (1/1) ... [2023-11-19 03:34:48,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:48" (1/1) ... [2023-11-19 03:34:48,322 INFO L138 Inliner]: procedures = 499, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2023-11-19 03:34:48,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:48,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:34:48,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:34:48,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:34:48,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:48" (1/1) ... [2023-11-19 03:34:48,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:48" (1/1) ... [2023-11-19 03:34:48,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:48" (1/1) ... [2023-11-19 03:34:48,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:48" (1/1) ... [2023-11-19 03:34:48,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:48" (1/1) ... [2023-11-19 03:34:48,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:48" (1/1) ... [2023-11-19 03:34:48,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:48" (1/1) ... [2023-11-19 03:34:48,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:48" (1/1) ... [2023-11-19 03:34:48,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:34:48,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:34:48,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:34:48,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:34:48,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:48" (1/1) ... [2023-11-19 03:34:48,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:48,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4ed2dd-31a4-497f-aadd-c7b75f682b48/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:34:48,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4ed2dd-31a4-497f-aadd-c7b75f682b48/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:34:48,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4ed2dd-31a4-497f-aadd-c7b75f682b48/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:34:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:34:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:34:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:34:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:34:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:34:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:34:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:34:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:34:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:34:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:34:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:34:48,680 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:34:48,684 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:34:48,908 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:34:49,006 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:34:49,006 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:34:49,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:49 BoogieIcfgContainer [2023-11-19 03:34:49,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:34:49,017 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:34:49,018 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:34:49,030 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:34:49,030 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:49" (1/1) ... [2023-11-19 03:34:49,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:34:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:49,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 03:34:49,131 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 03:34:49,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:34:49,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:49,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:49,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:34:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:49,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:34:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:49,618 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:34:49,655 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-19 03:34:49,656 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-19 03:34:49,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-19 03:34:49,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:34:49 ImpRootNode [2023-11-19 03:34:49,663 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:34:49,664 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:34:49,664 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:34:49,664 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:34:49,665 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:49" (3/4) ... [2023-11-19 03:34:49,666 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:34:49,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-19 03:34:49,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-19 03:34:49,679 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-19 03:34:49,752 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4ed2dd-31a4-497f-aadd-c7b75f682b48/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:34:49,753 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:34:49,754 INFO L158 Benchmark]: Toolchain (without parser) took 3325.66ms. Allocated memory was 117.4MB in the beginning and 153.1MB in the end (delta: 35.7MB). Free memory was 68.5MB in the beginning and 108.1MB in the end (delta: -39.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:49,754 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:49,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1771.47ms. Allocated memory was 117.4MB in the beginning and 153.1MB in the end (delta: 35.7MB). Free memory was 68.5MB in the beginning and 87.7MB in the end (delta: -19.2MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:49,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.84ms. Allocated memory is still 153.1MB. Free memory was 87.7MB in the beginning and 84.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:49,756 INFO L158 Benchmark]: Boogie Preprocessor took 67.06ms. Allocated memory is still 153.1MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:49,765 INFO L158 Benchmark]: RCFGBuilder took 622.45ms. Allocated memory is still 153.1MB. Free memory was 82.6MB in the beginning and 67.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:34:49,766 INFO L158 Benchmark]: CodeCheck took 645.64ms. Allocated memory is still 153.1MB. Free memory was 67.9MB in the beginning and 110.2MB in the end (delta: -42.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:49,767 INFO L158 Benchmark]: Witness Printer took 89.04ms. Allocated memory is still 153.1MB. Free memory was 110.2MB in the beginning and 108.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:49,774 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 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 - CounterExampleResult [Line: 1560]: integer overflow possible integer overflow possible We found a 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); [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=16, argc=16, argv={14:12}, argv={14:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_multiply_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1556] COND TRUE \read(globalTrue) [L1558] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={14101:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 [L1560] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={14101:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={14101:0}, 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 0.45ms. Allocated memory is still 117.4MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1771.47ms. Allocated memory was 117.4MB in the beginning and 153.1MB in the end (delta: 35.7MB). Free memory was 68.5MB in the beginning and 87.7MB in the end (delta: -19.2MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.84ms. Allocated memory is still 153.1MB. Free memory was 87.7MB in the beginning and 84.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.06ms. Allocated memory is still 153.1MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 622.45ms. Allocated memory is still 153.1MB. Free memory was 82.6MB in the beginning and 67.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 645.64ms. Allocated memory is still 153.1MB. Free memory was 67.9MB in the beginning and 110.2MB in the end (delta: -42.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 89.04ms. Allocated memory is still 153.1MB. Free memory was 110.2MB in the beginning and 108.1MB in the end (delta: 2.1MB). 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: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:34:49,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e4ed2dd-31a4-497f-aadd-c7b75f682b48/bin/ukojak-verify-G8NBE6pJGL/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)