./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/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_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/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_1847e87d-5228-4baa-91f1-5252a074f684/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 745137f2fc19e9cbc38af4fb69c31f980cf9afa203e1adc9caecf702edf2cf05 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:57:15,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:57:15,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 00:57:15,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:57:15,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:57:15,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:57:15,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:57:15,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:57:15,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:57:15,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:57:15,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:57:15,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:57:15,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:57:15,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:57:15,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:57:15,319 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:57:15,319 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:57:15,320 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:57:15,320 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:57:15,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:57:15,321 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:57:15,322 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:57:15,322 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:57:15,323 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:57:15,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:57:15,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:57:15,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:57:15,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:57:15,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:57:15,326 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:57:15,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:57:15,326 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:57:15,327 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_1847e87d-5228-4baa-91f1-5252a074f684/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745137f2fc19e9cbc38af4fb69c31f980cf9afa203e1adc9caecf702edf2cf05 [2023-12-03 00:57:15,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:57:15,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:57:15,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:57:15,551 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:57:15,551 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:57:15,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i [2023-12-03 00:57:18,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:57:18,621 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:57:18,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i [2023-12-03 00:57:18,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/data/10980735b/ba9dded014134b849775d45cb85eddb7/FLAG5a6b473c3 [2023-12-03 00:57:18,659 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/data/10980735b/ba9dded014134b849775d45cb85eddb7 [2023-12-03 00:57:18,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:57:18,663 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:57:18,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:57:18,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:57:18,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:57:18,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:57:18" (1/1) ... [2023-12-03 00:57:18,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ac49be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:18, skipping insertion in model container [2023-12-03 00:57:18,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:57:18" (1/1) ... [2023-12-03 00:57:18,738 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:57:19,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:57:19,461 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:57:19,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:57:19,732 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:57:19,732 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:57:19,733 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:57:19,733 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:57:19,739 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:57:19,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:19 WrapperNode [2023-12-03 00:57:19,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:57:19,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:57:19,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:57:19,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:57:19,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:19" (1/1) ... [2023-12-03 00:57:19,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:19" (1/1) ... [2023-12-03 00:57:19,795 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 53 [2023-12-03 00:57:19,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:57:19,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:57:19,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:57:19,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:57:19,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:19" (1/1) ... [2023-12-03 00:57:19,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:19" (1/1) ... [2023-12-03 00:57:19,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:19" (1/1) ... [2023-12-03 00:57:19,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:19" (1/1) ... [2023-12-03 00:57:19,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:19" (1/1) ... [2023-12-03 00:57:19,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:19" (1/1) ... [2023-12-03 00:57:19,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:19" (1/1) ... [2023-12-03 00:57:19,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:19" (1/1) ... [2023-12-03 00:57:19,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:57:19,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:57:19,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:57:19,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:57:19,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:19" (1/1) ... [2023-12-03 00:57:19,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:57:19,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:57:19,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:57:19,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:57:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:57:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:57:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:57:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:57:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:57:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:57:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:57:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:57:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:57:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:57:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:57:20,042 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:57:20,045 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:57:20,148 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:57:20,182 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:57:20,182 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:57:20,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:57:20 BoogieIcfgContainer [2023-12-03 00:57:20,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:57:20,185 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:57:20,185 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:57:20,195 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:57:20,195 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:57:20" (1/1) ... [2023-12-03 00:57:20,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:57:20,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:20,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-03 00:57:20,251 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-03 00:57:20,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:57:20,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:20,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:57:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:57:20,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:57:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:57:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:57:20,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:57:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:57:20,542 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:57:20,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 00:57:20,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:57:20 ImpRootNode [2023-12-03 00:57:20,571 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:57:20,572 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:57:20,572 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:57:20,572 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:57:20,573 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:57:20" (3/4) ... [2023-12-03 00:57:20,575 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:57:20,576 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:57:20,577 INFO L158 Benchmark]: Toolchain (without parser) took 1913.30ms. Allocated memory is still 136.3MB. Free memory was 103.7MB in the beginning and 93.5MB in the end (delta: 10.2MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2023-12-03 00:57:20,577 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:57:20,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1075.32ms. Allocated memory is still 136.3MB. Free memory was 103.4MB in the beginning and 81.6MB in the end (delta: 21.8MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2023-12-03 00:57:20,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.78ms. Allocated memory is still 136.3MB. Free memory was 81.6MB in the beginning and 78.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:57:20,579 INFO L158 Benchmark]: Boogie Preprocessor took 22.40ms. Allocated memory is still 136.3MB. Free memory was 78.9MB in the beginning and 77.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:57:20,580 INFO L158 Benchmark]: RCFGBuilder took 365.59ms. Allocated memory is still 136.3MB. Free memory was 77.4MB in the beginning and 63.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:57:20,580 INFO L158 Benchmark]: CodeCheck took 386.23ms. Allocated memory is still 136.3MB. Free memory was 63.2MB in the beginning and 94.1MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:57:20,581 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 136.3MB. Free memory was 94.1MB in the beginning and 93.5MB in the end (delta: 565.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:57:20,584 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: 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); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, 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)=36, argc=36, argv={37:35}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] EXPR \read(data) [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, badStatic=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, badStatic=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, badStatic=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 0.20ms. Allocated memory is still 109.1MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1075.32ms. Allocated memory is still 136.3MB. Free memory was 103.4MB in the beginning and 81.6MB in the end (delta: 21.8MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.78ms. Allocated memory is still 136.3MB. Free memory was 81.6MB in the beginning and 78.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.40ms. Allocated memory is still 136.3MB. Free memory was 78.9MB in the beginning and 77.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 365.59ms. Allocated memory is still 136.3MB. Free memory was 77.4MB in the beginning and 63.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 386.23ms. Allocated memory is still 136.3MB. Free memory was 63.2MB in the beginning and 94.1MB in the end (delta: -30.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 136.3MB. Free memory was 94.1MB in the beginning and 93.5MB in the end (delta: 565.7kB). 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 [2023-12-03 00:57:20,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/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_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/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_1847e87d-5228-4baa-91f1-5252a074f684/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 745137f2fc19e9cbc38af4fb69c31f980cf9afa203e1adc9caecf702edf2cf05 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:57:22,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:57:22,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 00:57:22,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:57:22,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:57:22,595 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:57:22,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:57:22,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:57:22,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:57:22,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:57:22,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:57:22,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:57:22,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:57:22,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:57:22,600 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:57:22,600 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:57:22,601 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:57:22,602 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:57:22,602 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:57:22,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:57:22,603 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:57:22,604 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:57:22,604 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:57:22,604 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:57:22,605 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:22,605 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:57:22,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:57:22,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:57:22,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:57:22,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:57:22,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:57:22,608 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:57:22,608 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:22,608 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:57:22,608 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:57:22,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:57:22,609 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_1847e87d-5228-4baa-91f1-5252a074f684/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 745137f2fc19e9cbc38af4fb69c31f980cf9afa203e1adc9caecf702edf2cf05 [2023-12-03 00:57:22,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:57:22,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:57:22,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:57:22,929 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:57:22,929 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:57:22,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i [2023-12-03 00:57:25,697 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:57:26,027 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:57:26,027 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_21_bad.i [2023-12-03 00:57:26,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/data/5a9d8a7bf/413e10262d2843589c262c030cad213b/FLAG392154248 [2023-12-03 00:57:26,061 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/data/5a9d8a7bf/413e10262d2843589c262c030cad213b [2023-12-03 00:57:26,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:57:26,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:57:26,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:57:26,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:57:26,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:57:26,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:57:26" (1/1) ... [2023-12-03 00:57:26,073 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69554718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:26, skipping insertion in model container [2023-12-03 00:57:26,073 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:57:26" (1/1) ... [2023-12-03 00:57:26,123 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:57:26,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:57:26,886 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:57:26,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:57:27,113 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:57:27,113 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:57:27,113 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:57:27,114 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:57:27,121 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:57:27,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:27 WrapperNode [2023-12-03 00:57:27,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:57:27,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:57:27,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:57:27,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:57:27,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:27" (1/1) ... [2023-12-03 00:57:27,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:27" (1/1) ... [2023-12-03 00:57:27,181 INFO L138 Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2023-12-03 00:57:27,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:57:27,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:57:27,182 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:57:27,183 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:57:27,192 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:27" (1/1) ... [2023-12-03 00:57:27,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:27" (1/1) ... [2023-12-03 00:57:27,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:27" (1/1) ... [2023-12-03 00:57:27,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:27" (1/1) ... [2023-12-03 00:57:27,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:27" (1/1) ... [2023-12-03 00:57:27,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:27" (1/1) ... [2023-12-03 00:57:27,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:27" (1/1) ... [2023-12-03 00:57:27,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:27" (1/1) ... [2023-12-03 00:57:27,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:57:27,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:57:27,221 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:57:27,221 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:57:27,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:27" (1/1) ... [2023-12-03 00:57:27,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:57:27,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:57:27,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:57:27,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:57:27,295 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 00:57:27,295 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 00:57:27,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:57:27,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:57:27,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:57:27,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:57:27,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:57:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:57:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:57:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:57:27,296 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 00:57:27,441 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:57:27,443 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:57:27,580 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:57:27,634 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:57:27,634 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 00:57:27,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:57:27 BoogieIcfgContainer [2023-12-03 00:57:27,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:57:27,637 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:57:27,637 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:57:27,647 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:57:27,647 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:57:27" (1/1) ... [2023-12-03 00:57:27,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:57:27,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:27,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-03 00:57:27,711 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-03 00:57:27,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:57:27,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:57:27,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:57:27,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:57:27,718 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:57:27,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:57:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:57:27,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:57:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:57:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:57:28,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:57:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:57:28,177 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:57:28,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:57:28,182 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:57:28,204 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 00:57:28,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:57:28 ImpRootNode [2023-12-03 00:57:28,210 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:57:28,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:57:28,211 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:57:28,211 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:57:28,211 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:57:27" (3/4) ... [2023-12-03 00:57:28,213 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:57:28,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:57:28,215 INFO L158 Benchmark]: Toolchain (without parser) took 2149.84ms. Allocated memory is still 123.7MB. Free memory was 96.3MB in the beginning and 73.9MB in the end (delta: 22.4MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-12-03 00:57:28,216 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 71.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:57:28,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1055.08ms. Allocated memory is still 123.7MB. Free memory was 96.3MB in the beginning and 62.1MB in the end (delta: 34.2MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2023-12-03 00:57:28,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.39ms. Allocated memory is still 123.7MB. Free memory was 62.1MB in the beginning and 59.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:57:28,218 INFO L158 Benchmark]: Boogie Preprocessor took 37.63ms. Allocated memory is still 123.7MB. Free memory was 59.3MB in the beginning and 57.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:57:28,218 INFO L158 Benchmark]: RCFGBuilder took 415.41ms. Allocated memory is still 123.7MB. Free memory was 57.2MB in the beginning and 92.8MB in the end (delta: -35.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-12-03 00:57:28,219 INFO L158 Benchmark]: CodeCheck took 573.21ms. Allocated memory is still 123.7MB. Free memory was 92.8MB in the beginning and 74.8MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:57:28,219 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 123.7MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:57:28,223 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: 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); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, 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}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] EXPR \read(data) [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=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 0.19ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 71.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1055.08ms. Allocated memory is still 123.7MB. Free memory was 96.3MB in the beginning and 62.1MB in the end (delta: 34.2MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.39ms. Allocated memory is still 123.7MB. Free memory was 62.1MB in the beginning and 59.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.63ms. Allocated memory is still 123.7MB. Free memory was 59.3MB in the beginning and 57.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 415.41ms. Allocated memory is still 123.7MB. Free memory was 57.2MB in the beginning and 92.8MB in the end (delta: -35.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * CodeCheck took 573.21ms. Allocated memory is still 123.7MB. Free memory was 92.8MB in the beginning and 74.8MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 123.7MB. Free memory is still 73.9MB. 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~nondet100 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:57:28,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1847e87d-5228-4baa-91f1-5252a074f684/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