./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_42_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_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/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_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/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_38507b01-789d-4497-9e6e-728223dedb30/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 97ce32547bdb9b934957007d1f73bd58f9c8f85ea9b3d991d56071ba18821e45 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:22:48,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:22:48,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 00:22:48,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:22:48,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:22:48,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:22:48,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:22:48,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:22:48,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:22:48,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:22:48,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:22:48,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:22:48,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:22:48,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:22:48,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:22:48,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:22:48,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:22:48,180 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:22:48,180 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:22:48,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:22:48,181 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:22:48,182 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:22:48,183 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:22:48,183 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:22:48,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:22:48,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:22:48,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:22:48,185 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:22:48,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:22:48,186 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:22:48,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:22:48,187 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:22:48,187 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_38507b01-789d-4497-9e6e-728223dedb30/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97ce32547bdb9b934957007d1f73bd58f9c8f85ea9b3d991d56071ba18821e45 [2023-12-03 00:22:48,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:22:48,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:22:48,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:22:48,455 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:22:48,455 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:22:48,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_42_bad.i [2023-12-03 00:22:51,206 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:22:51,511 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:22:51,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_42_bad.i [2023-12-03 00:22:51,536 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/data/5cf5b82e3/3acc05f6e5714bc7be3ffd78de9319e7/FLAG0065f3c16 [2023-12-03 00:22:51,551 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/data/5cf5b82e3/3acc05f6e5714bc7be3ffd78de9319e7 [2023-12-03 00:22:51,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:22:51,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:22:51,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:22:51,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:22:51,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:22:51,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:22:51" (1/1) ... [2023-12-03 00:22:51,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c85e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:51, skipping insertion in model container [2023-12-03 00:22:51,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:22:51" (1/1) ... [2023-12-03 00:22:51,624 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:22:52,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:22:52,394 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:22:52,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:22:52,639 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:22:52,640 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:22:52,640 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:22:52,640 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:22:52,648 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:22:52,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:52 WrapperNode [2023-12-03 00:22:52,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:22:52,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:22:52,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:22:52,650 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:22:52,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:52" (1/1) ... [2023-12-03 00:22:52,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:52" (1/1) ... [2023-12-03 00:22:52,707 INFO L138 Inliner]: procedures = 499, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2023-12-03 00:22:52,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:22:52,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:22:52,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:22:52,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:22:52,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:52" (1/1) ... [2023-12-03 00:22:52,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:52" (1/1) ... [2023-12-03 00:22:52,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:52" (1/1) ... [2023-12-03 00:22:52,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:52" (1/1) ... [2023-12-03 00:22:52,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:52" (1/1) ... [2023-12-03 00:22:52,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:52" (1/1) ... [2023-12-03 00:22:52,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:52" (1/1) ... [2023-12-03 00:22:52,735 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:52" (1/1) ... [2023-12-03 00:22:52,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:22:52,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:22:52,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:22:52,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:22:52,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:52" (1/1) ... [2023-12-03 00:22:52,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:22:52,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:22:52,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:22:52,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:22:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:22:52,804 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:22:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:22:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:22:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:22:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:22:52,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:22:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:22:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:22:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:22:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:22:52,947 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:22:52,949 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:22:53,060 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:22:53,103 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:22:53,103 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:22:53,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:22:53 BoogieIcfgContainer [2023-12-03 00:22:53,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:22:53,106 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:22:53,106 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:22:53,115 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:22:53,116 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:22:53" (1/1) ... [2023-12-03 00:22:53,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:22:53,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:53,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 00:22:53,173 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 00:22:53,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:22:53,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:53,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:22:53,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:22:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:22:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:22:53,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:22:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:22:53,456 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:22:53,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-03 00:22:53,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:22:53 ImpRootNode [2023-12-03 00:22:53,484 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:22:53,485 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:22:53,485 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:22:53,485 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:22:53,485 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:22:53" (3/4) ... [2023-12-03 00:22:53,488 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:22:53,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:22:53,490 INFO L158 Benchmark]: Toolchain (without parser) took 1934.39ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 103.2MB in the beginning and 114.2MB in the end (delta: -11.0MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2023-12-03 00:22:53,491 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 146.8MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:22:53,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1092.44ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 102.8MB in the beginning and 153.0MB in the end (delta: -50.2MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2023-12-03 00:22:53,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.96ms. Allocated memory is still 199.2MB. Free memory was 153.0MB in the beginning and 150.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:22:53,493 INFO L158 Benchmark]: Boogie Preprocessor took 30.13ms. Allocated memory is still 199.2MB. Free memory was 150.9MB in the beginning and 148.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:22:53,494 INFO L158 Benchmark]: RCFGBuilder took 366.09ms. Allocated memory is still 199.2MB. Free memory was 148.8MB in the beginning and 134.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:22:53,494 INFO L158 Benchmark]: CodeCheck took 377.79ms. Allocated memory is still 199.2MB. Free memory was 134.1MB in the beginning and 115.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 00:22:53,495 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 199.2MB. Free memory was 115.3MB in the beginning and 114.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:22:53,499 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: 1560]: 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={14:37}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_multiply_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1551] EXPR \read(data) [L1551] return data; [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 146.8MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1092.44ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 102.8MB in the beginning and 153.0MB in the end (delta: -50.2MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.96ms. Allocated memory is still 199.2MB. Free memory was 153.0MB in the beginning and 150.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.13ms. Allocated memory is still 199.2MB. Free memory was 150.9MB in the beginning and 148.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 366.09ms. Allocated memory is still 199.2MB. Free memory was 148.8MB in the beginning and 134.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 377.79ms. Allocated memory is still 199.2MB. Free memory was 134.1MB in the beginning and 115.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 199.2MB. Free memory was 115.3MB in the beginning and 114.2MB in the end (delta: 1.1MB). 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: 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 00:22:53,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/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_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/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_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/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_38507b01-789d-4497-9e6e-728223dedb30/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 97ce32547bdb9b934957007d1f73bd58f9c8f85ea9b3d991d56071ba18821e45 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:22:55,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:22:55,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 00:22:55,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:22:55,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:22:55,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:22:55,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:22:55,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:22:55,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:22:55,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:22:55,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:22:55,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:22:55,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:22:55,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:22:55,680 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:22:55,680 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:22:55,681 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:22:55,682 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:22:55,682 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:22:55,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:22:55,683 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:22:55,685 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:22:55,685 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:22:55,686 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:22:55,687 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:55,687 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:22:55,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:22:55,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:22:55,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:22:55,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:22:55,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:22:55,690 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:22:55,690 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:55,691 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:22:55,691 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:22:55,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:22:55,691 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_38507b01-789d-4497-9e6e-728223dedb30/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97ce32547bdb9b934957007d1f73bd58f9c8f85ea9b3d991d56071ba18821e45 [2023-12-03 00:22:56,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:22:56,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:22:56,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:22:56,090 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:22:56,091 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:22:56,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_42_bad.i [2023-12-03 00:22:59,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:22:59,402 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:22:59,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_42_bad.i [2023-12-03 00:22:59,430 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/data/327988270/c8fe780df7824a9c959b6b4d454cb38e/FLAGa148f996e [2023-12-03 00:22:59,446 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/data/327988270/c8fe780df7824a9c959b6b4d454cb38e [2023-12-03 00:22:59,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:22:59,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:22:59,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:22:59,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:22:59,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:22:59,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:22:59" (1/1) ... [2023-12-03 00:22:59,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5de795ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:22:59, skipping insertion in model container [2023-12-03 00:22:59,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:22:59" (1/1) ... [2023-12-03 00:22:59,536 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:23:00,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:23:00,542 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:23:00,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:23:00,778 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:23:00,778 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:23:00,778 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:23:00,779 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:23:00,784 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:23:00,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:00 WrapperNode [2023-12-03 00:23:00,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:23:00,786 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:23:00,786 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:23:00,786 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:23:00,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:00" (1/1) ... [2023-12-03 00:23:00,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:00" (1/1) ... [2023-12-03 00:23:00,846 INFO L138 Inliner]: procedures = 504, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2023-12-03 00:23:00,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:23:00,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:23:00,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:23:00,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:23:00,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:00" (1/1) ... [2023-12-03 00:23:00,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:00" (1/1) ... [2023-12-03 00:23:00,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:00" (1/1) ... [2023-12-03 00:23:00,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:00" (1/1) ... [2023-12-03 00:23:00,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:00" (1/1) ... [2023-12-03 00:23:00,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:00" (1/1) ... [2023-12-03 00:23:00,877 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:00" (1/1) ... [2023-12-03 00:23:00,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:00" (1/1) ... [2023-12-03 00:23:00,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:23:00,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:23:00,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:23:00,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:23:00,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:00" (1/1) ... [2023-12-03 00:23:00,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:23:00,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:23:00,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:23:00,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:23:00,955 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:23:00,955 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:23:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:23:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:23:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:23:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:23:00,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:23:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:23:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:23:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:23:00,956 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:23:01,117 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:23:01,119 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:23:01,281 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:23:01,348 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:23:01,348 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:23:01,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:23:01 BoogieIcfgContainer [2023-12-03 00:23:01,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:23:01,352 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:23:01,352 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:23:01,363 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:23:01,363 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:23:01" (1/1) ... [2023-12-03 00:23:01,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:23:01,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:01,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 00:23:01,438 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 00:23:01,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:23:01,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:01,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:01,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:01,445 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:01,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:23:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:23:01,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:23:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:23:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:23:01,810 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:23:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:23:01,887 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:23:01,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:23:01,890 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:23:01,912 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-03 00:23:01,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:23:01 ImpRootNode [2023-12-03 00:23:01,919 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:23:01,920 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:23:01,920 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:23:01,920 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:23:01,921 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:23:01" (3/4) ... [2023-12-03 00:23:01,924 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:23:01,925 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:23:01,926 INFO L158 Benchmark]: Toolchain (without parser) took 2475.75ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 53.2MB in the beginning and 57.9MB in the end (delta: -4.7MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-12-03 00:23:01,926 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 79.7MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:23:01,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1333.95ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 52.8MB in the beginning and 64.6MB in the end (delta: -11.8MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2023-12-03 00:23:01,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.75ms. Allocated memory is still 104.9MB. Free memory was 64.6MB in the beginning and 61.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:23:01,928 INFO L158 Benchmark]: Boogie Preprocessor took 36.78ms. Allocated memory is still 104.9MB. Free memory was 61.4MB in the beginning and 59.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:23:01,929 INFO L158 Benchmark]: RCFGBuilder took 465.90ms. Allocated memory is still 104.9MB. Free memory was 59.3MB in the beginning and 76.0MB in the end (delta: -16.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2023-12-03 00:23:01,930 INFO L158 Benchmark]: CodeCheck took 567.74ms. Allocated memory is still 104.9MB. Free memory was 76.0MB in the beginning and 58.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:23:01,930 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 104.9MB. Free memory was 58.5MB in the beginning and 57.9MB in the end (delta: 600.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:23:01,935 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1560]: 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_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1551] EXPR \read(data) [L1551] return data; [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 79.7MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1333.95ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 52.8MB in the beginning and 64.6MB in the end (delta: -11.8MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.75ms. Allocated memory is still 104.9MB. Free memory was 64.6MB in the beginning and 61.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.78ms. Allocated memory is still 104.9MB. Free memory was 61.4MB in the beginning and 59.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.90ms. Allocated memory is still 104.9MB. Free memory was 59.3MB in the beginning and 76.0MB in the end (delta: -16.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * CodeCheck took 567.74ms. Allocated memory is still 104.9MB. Free memory was 76.0MB in the beginning and 58.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 104.9MB. Free memory was 58.5MB in the beginning and 57.9MB in the end (delta: 600.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~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 00:23:01,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38507b01-789d-4497-9e6e-728223dedb30/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