./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/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_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/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_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/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 33f6678bdfb611f7d0ccb27d07a86e4e809b26bffd14fab08a8e664893cc77ac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:35:07,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:35:07,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:35:07,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:35:07,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:35:07,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:35:07,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:35:07,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:35:07,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:35:07,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:35:07,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:35:07,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:35:07,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:35:07,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:35:07,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:35:07,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:35:07,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:35:07,232 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:35:07,232 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:35:07,233 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:35:07,233 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:35:07,236 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:35:07,237 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:35:07,238 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:35:07,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:35:07,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:35:07,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:35:07,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:35:07,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:35:07,240 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:35:07,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:35:07,241 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:35:07,241 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_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33f6678bdfb611f7d0ccb27d07a86e4e809b26bffd14fab08a8e664893cc77ac [2023-12-02 22:35:07,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:35:07,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:35:07,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:35:07,462 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:35:07,463 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:35:07,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_32_bad.i [2023-12-02 22:35:10,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:35:10,510 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:35:10,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_32_bad.i [2023-12-02 22:35:10,533 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/data/70bdf7c1d/e7b36d4b42904aa9acead63f13a6c9f2/FLAGa656f9360 [2023-12-02 22:35:10,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/data/70bdf7c1d/e7b36d4b42904aa9acead63f13a6c9f2 [2023-12-02 22:35:10,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:35:10,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:35:10,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:35:10,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:35:10,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:35:10,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:35:10" (1/1) ... [2023-12-02 22:35:10,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299ef90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:10, skipping insertion in model container [2023-12-02 22:35:10,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:35:10" (1/1) ... [2023-12-02 22:35:10,614 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:35:11,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:35:11,312 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:35:11,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:35:11,531 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:35:11,531 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:35:11,532 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:35:11,532 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:35:11,540 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:35:11,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:11 WrapperNode [2023-12-02 22:35:11,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:35:11,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:35:11,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:35:11,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:35:11,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:11" (1/1) ... [2023-12-02 22:35:11,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:11" (1/1) ... [2023-12-02 22:35:11,598 INFO L138 Inliner]: procedures = 498, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2023-12-02 22:35:11,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:35:11,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:35:11,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:35:11,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:35:11,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:11" (1/1) ... [2023-12-02 22:35:11,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:11" (1/1) ... [2023-12-02 22:35:11,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:11" (1/1) ... [2023-12-02 22:35:11,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:11" (1/1) ... [2023-12-02 22:35:11,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:11" (1/1) ... [2023-12-02 22:35:11,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:11" (1/1) ... [2023-12-02 22:35:11,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:11" (1/1) ... [2023-12-02 22:35:11,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:11" (1/1) ... [2023-12-02 22:35:11,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:35:11,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:35:11,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:35:11,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:35:11,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:11" (1/1) ... [2023-12-02 22:35:11,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:35:11,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:35:11,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:35:11,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:35:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:35:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:35:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:35:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:35:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:35:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:35:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:35:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:35:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:35:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:35:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:35:11,852 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:35:11,854 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:35:11,972 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:35:12,005 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:35:12,006 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:35:12,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:35:12 BoogieIcfgContainer [2023-12-02 22:35:12,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:35:12,009 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:35:12,009 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:35:12,019 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:35:12,019 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:35:12" (1/1) ... [2023-12-02 22:35:12,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:35:12,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:12,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 22:35:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 22:35:12,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:35:12,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:12,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:35:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:35:12,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:35:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:35:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:35:12,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:35:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:35:12,398 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:35:12,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-12-02 22:35:12,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:35:12 ImpRootNode [2023-12-02 22:35:12,427 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:35:12,428 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:35:12,428 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:35:12,428 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:35:12,428 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:35:12" (3/4) ... [2023-12-02 22:35:12,446 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:35:12,447 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:35:12,448 INFO L158 Benchmark]: Toolchain (without parser) took 1896.94ms. Allocated memory was 153.1MB in the beginning and 188.7MB in the end (delta: 35.7MB). Free memory was 111.5MB in the beginning and 156.1MB in the end (delta: -44.6MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2023-12-02 22:35:12,449 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:35:12,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 987.92ms. Allocated memory is still 153.1MB. Free memory was 111.0MB in the beginning and 101.9MB in the end (delta: 9.1MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2023-12-02 22:35:12,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.66ms. Allocated memory is still 153.1MB. Free memory was 101.9MB in the beginning and 98.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:35:12,451 INFO L158 Benchmark]: Boogie Preprocessor took 27.38ms. Allocated memory is still 153.1MB. Free memory was 98.5MB in the beginning and 97.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:35:12,451 INFO L158 Benchmark]: RCFGBuilder took 380.62ms. Allocated memory is still 153.1MB. Free memory was 97.2MB in the beginning and 82.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:35:12,452 INFO L158 Benchmark]: CodeCheck took 418.36ms. Allocated memory is still 153.1MB. Free memory was 81.9MB in the beginning and 60.0MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 22:35:12,453 INFO L158 Benchmark]: Witness Printer took 19.64ms. Allocated memory was 153.1MB in the beginning and 188.7MB in the end (delta: 35.7MB). Free memory was 59.5MB in the beginning and 156.1MB in the end (delta: -96.6MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-12-02 22:35:12,456 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: 1563]: 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 1571. 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); [L1571] 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) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=69, argc=69, argv={68:70}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] int data = *dataPtr1; [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] EXPR \read(data) [L1557] EXPR *dataPtr1 = data [L1555] int data = *dataPtr1; [L1554-L1558] { int data = *dataPtr1; fscanf(stdin, "%d", &data); *dataPtr1 = data; } [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1561] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, data={8368:0}, dataPtr1={8368:0}, dataPtr2={8368:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, data={8368:0}, dataPtr1={8368:0}, dataPtr2={8368:0}, 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 0.32ms. Allocated memory is still 104.9MB. Free memory is still 58.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 987.92ms. Allocated memory is still 153.1MB. Free memory was 111.0MB in the beginning and 101.9MB in the end (delta: 9.1MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.66ms. Allocated memory is still 153.1MB. Free memory was 101.9MB in the beginning and 98.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.38ms. Allocated memory is still 153.1MB. Free memory was 98.5MB in the beginning and 97.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 380.62ms. Allocated memory is still 153.1MB. Free memory was 97.2MB in the beginning and 82.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 418.36ms. Allocated memory is still 153.1MB. Free memory was 81.9MB in the beginning and 60.0MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 19.64ms. Allocated memory was 153.1MB in the beginning and 188.7MB in the end (delta: 35.7MB). Free memory was 59.5MB in the beginning and 156.1MB in the end (delta: -96.6MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet104 - 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 [2023-12-02 22:35:12,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/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_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/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_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/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 33f6678bdfb611f7d0ccb27d07a86e4e809b26bffd14fab08a8e664893cc77ac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:35:14,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:35:14,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:35:14,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:35:14,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:35:14,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:35:14,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:35:14,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:35:14,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:35:14,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:35:14,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:35:14,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:35:14,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:35:14,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:35:14,461 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:35:14,462 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:35:14,462 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:35:14,463 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:35:14,463 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:35:14,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:35:14,464 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:35:14,465 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:35:14,466 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:35:14,466 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:35:14,466 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:35:14,467 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:35:14,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:35:14,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:35:14,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:35:14,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:35:14,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:35:14,470 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:35:14,470 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:35:14,470 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:35:14,471 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:35:14,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:35:14,471 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_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33f6678bdfb611f7d0ccb27d07a86e4e809b26bffd14fab08a8e664893cc77ac [2023-12-02 22:35:14,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:35:14,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:35:14,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:35:14,813 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:35:14,813 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:35:14,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_32_bad.i [2023-12-02 22:35:17,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:35:18,007 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:35:18,007 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_32_bad.i [2023-12-02 22:35:18,031 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/data/6b9c29ffd/91bd535a32b14dc6824422434b97416b/FLAG954746435 [2023-12-02 22:35:18,047 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/data/6b9c29ffd/91bd535a32b14dc6824422434b97416b [2023-12-02 22:35:18,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:35:18,051 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:35:18,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:35:18,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:35:18,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:35:18,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:35:18" (1/1) ... [2023-12-02 22:35:18,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c80477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:18, skipping insertion in model container [2023-12-02 22:35:18,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:35:18" (1/1) ... [2023-12-02 22:35:18,116 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:35:18,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:35:18,898 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:35:18,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:35:19,115 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:35:19,116 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:35:19,116 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:35:19,116 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:35:19,124 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:35:19,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:19 WrapperNode [2023-12-02 22:35:19,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:35:19,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:35:19,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:35:19,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:35:19,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:19" (1/1) ... [2023-12-02 22:35:19,160 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:19" (1/1) ... [2023-12-02 22:35:19,184 INFO L138 Inliner]: procedures = 504, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2023-12-02 22:35:19,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:35:19,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:35:19,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:35:19,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:35:19,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:19" (1/1) ... [2023-12-02 22:35:19,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:19" (1/1) ... [2023-12-02 22:35:19,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:19" (1/1) ... [2023-12-02 22:35:19,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:19" (1/1) ... [2023-12-02 22:35:19,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:19" (1/1) ... [2023-12-02 22:35:19,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:19" (1/1) ... [2023-12-02 22:35:19,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:19" (1/1) ... [2023-12-02 22:35:19,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:19" (1/1) ... [2023-12-02 22:35:19,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:35:19,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:35:19,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:35:19,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:35:19,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:19" (1/1) ... [2023-12-02 22:35:19,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:35:19,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:35:19,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:35:19,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:35:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:35:19,286 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:35:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:35:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:35:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 22:35:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:35:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:35:19,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:35:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:35:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:35:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:35:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:35:19,436 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:35:19,439 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:35:19,659 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:35:19,696 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:35:19,696 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:35:19,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:35:19 BoogieIcfgContainer [2023-12-02 22:35:19,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:35:19,699 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:35:19,699 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:35:19,709 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:35:19,709 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:35:19" (1/1) ... [2023-12-02 22:35:19,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:35:19,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 22:35:19,785 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 22:35:19,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:35:19,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:19,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:35:19,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:35:19,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:35:19,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:35:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:35:20,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:35:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:35:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:35:20,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:35:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:35:20,521 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:35:20,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:35:20,524 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:35:20,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-02 22:35:20,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:35:20 ImpRootNode [2023-12-02 22:35:20,555 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:35:20,556 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:35:20,556 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:35:20,556 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:35:20,557 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:35:19" (3/4) ... [2023-12-02 22:35:20,558 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:35:20,560 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:35:20,560 INFO L158 Benchmark]: Toolchain (without parser) took 2509.57ms. Allocated memory is still 115.3MB. Free memory was 87.9MB in the beginning and 68.9MB in the end (delta: 19.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-12-02 22:35:20,561 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 75.5MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:35:20,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1072.40ms. Allocated memory is still 115.3MB. Free memory was 87.6MB in the beginning and 79.9MB in the end (delta: 7.7MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2023-12-02 22:35:20,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.94ms. Allocated memory is still 115.3MB. Free memory was 79.9MB in the beginning and 76.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:35:20,563 INFO L158 Benchmark]: Boogie Preprocessor took 36.89ms. Allocated memory is still 115.3MB. Free memory was 76.8MB in the beginning and 74.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:35:20,563 INFO L158 Benchmark]: RCFGBuilder took 474.79ms. Allocated memory is still 115.3MB. Free memory was 74.7MB in the beginning and 56.9MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 22:35:20,564 INFO L158 Benchmark]: CodeCheck took 856.43ms. Allocated memory is still 115.3MB. Free memory was 56.9MB in the beginning and 68.9MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:35:20,564 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 115.3MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:35:20,567 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: 0.8s, 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: 1563]: 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 1571. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] int data = *dataPtr1; [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] EXPR \read(data) [L1557] EXPR *dataPtr1 = data [L1555] int data = *dataPtr1; [L1554-L1558] { int data = *dataPtr1; fscanf(stdin, "%d", &data); *dataPtr1 = data; } [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1561] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={7:0}, dataPtr1={7:0}, dataPtr2={7:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={7:0}, dataPtr1={7:0}, dataPtr2={7:0}, 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 0.20ms. Allocated memory is still 75.5MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1072.40ms. Allocated memory is still 115.3MB. Free memory was 87.6MB in the beginning and 79.9MB in the end (delta: 7.7MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.94ms. Allocated memory is still 115.3MB. Free memory was 79.9MB in the beginning and 76.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.89ms. Allocated memory is still 115.3MB. Free memory was 76.8MB in the beginning and 74.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 474.79ms. Allocated memory is still 115.3MB. Free memory was 74.7MB in the beginning and 56.9MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 856.43ms. Allocated memory is still 115.3MB. Free memory was 56.9MB in the beginning and 68.9MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.82ms. Allocated memory is still 115.3MB. Free memory is still 68.9MB. 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~nondet102 - 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 [2023-12-02 22:35:20,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681d0e30-7ec6-4c6a-9ca5-a16466353cfd/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