./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_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_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi --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 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:24,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:24,985 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:15:24,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:15:24,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:15:25,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:25,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:15:25,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:15:25,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:25,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:25,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:25,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:15:25,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:15:25,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:25,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:15:25,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:25,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:15:25,040 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:15:25,041 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:15:25,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:15:25,042 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:25,043 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:25,043 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:25,044 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:25,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:25,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:25,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:25,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:25,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:15:25,047 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:15:25,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:15:25,049 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:15:25,049 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_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 [2023-11-24 22:15:25,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:25,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:25,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:25,363 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:25,364 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:25,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2023-11-24 22:15:28,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:15:28,856 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:15:28,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2023-11-24 22:15:28,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/data/cf7315062/bb72d2eb840348f08b97a17c2ed5e644/FLAG53ef64219 [2023-11-24 22:15:28,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/data/cf7315062/bb72d2eb840348f08b97a17c2ed5e644 [2023-11-24 22:15:28,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:15:28,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:15:28,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:28,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:15:28,927 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:15:28,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf83b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28, skipping insertion in model container [2023-11-24 22:15:28,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:29,026 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:30,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:30,268 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:15:30,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:30,591 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:30,591 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:30,591 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:30,592 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:30,592 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:30,600 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:15:30,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:30 WrapperNode [2023-11-24 22:15:30,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:30,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:30,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:15:30,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:15:30,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:30" (1/1) ... [2023-11-24 22:15:30,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:30" (1/1) ... [2023-11-24 22:15:30,679 INFO L138 Inliner]: procedures = 499, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2023-11-24 22:15:30,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:30,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:15:30,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:15:30,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:15:30,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:30" (1/1) ... [2023-11-24 22:15:30,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:30" (1/1) ... [2023-11-24 22:15:30,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:30" (1/1) ... [2023-11-24 22:15:30,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:30" (1/1) ... [2023-11-24 22:15:30,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:30" (1/1) ... [2023-11-24 22:15:30,711 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:30" (1/1) ... [2023-11-24 22:15:30,713 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:30" (1/1) ... [2023-11-24 22:15:30,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:30" (1/1) ... [2023-11-24 22:15:30,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:15:30,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:15:30,722 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:15:30,722 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:15:30,723 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:30" (1/1) ... [2023-11-24 22:15:30,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:30,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:15:30,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:15:30,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:15:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:15:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:15:30,811 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:15:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:15:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:15:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:15:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:15:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:15:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:15:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:15:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:15:31,071 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:15:31,073 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:15:31,280 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:15:31,346 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:15:31,346 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:15:31,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:31 BoogieIcfgContainer [2023-11-24 22:15:31,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:15:31,350 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:15:31,350 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:15:31,364 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:15:31,364 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:31" (1/1) ... [2023-11-24 22:15:31,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:15:31,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:31,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-11-24 22:15:31,433 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-24 22:15:31,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:15:31,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:31,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:31,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:31,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:31,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 24 transitions. [2023-11-24 22:15:31,786 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-24 22:15:31,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:15:31,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:31,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:31,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:31,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:31,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 23 transitions. [2023-11-24 22:15:31,974 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-24 22:15:31,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:15:31,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:31,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:32,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:15:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:32,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:15:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:32,221 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-24 22:15:32,270 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-24 22:15:32,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:15:32 ImpRootNode [2023-11-24 22:15:32,282 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:15:32,284 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:15:32,284 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:15:32,284 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:15:32,285 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:31" (3/4) ... [2023-11-24 22:15:32,287 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:15:32,288 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:15:32,288 INFO L158 Benchmark]: Toolchain (without parser) took 3372.28ms. Allocated memory is still 148.9MB. Free memory was 103.2MB in the beginning and 89.2MB in the end (delta: 14.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-24 22:15:32,289 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:15:32,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1680.27ms. Allocated memory is still 148.9MB. Free memory was 102.9MB in the beginning and 78.3MB in the end (delta: 24.6MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-11-24 22:15:32,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.95ms. Allocated memory is still 148.9MB. Free memory was 78.3MB in the beginning and 74.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:15:32,290 INFO L158 Benchmark]: Boogie Preprocessor took 39.96ms. Allocated memory is still 148.9MB. Free memory was 74.8MB in the beginning and 73.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:15:32,291 INFO L158 Benchmark]: RCFGBuilder took 627.21ms. Allocated memory is still 148.9MB. Free memory was 73.5MB in the beginning and 58.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:15:32,292 INFO L158 Benchmark]: CodeCheck took 932.74ms. Allocated memory is still 148.9MB. Free memory was 58.8MB in the beginning and 89.2MB in the end (delta: -30.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:15:32,292 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 148.9MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:15:32,295 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 37 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1578. 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); [L1578] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:19}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_14_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalFive==5 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, 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 0.35ms. Allocated memory is still 98.6MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1680.27ms. Allocated memory is still 148.9MB. Free memory was 102.9MB in the beginning and 78.3MB in the end (delta: 24.6MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.95ms. Allocated memory is still 148.9MB. Free memory was 78.3MB in the beginning and 74.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.96ms. Allocated memory is still 148.9MB. Free memory was 74.8MB in the beginning and 73.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 627.21ms. Allocated memory is still 148.9MB. Free memory was 73.5MB in the beginning and 58.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 932.74ms. Allocated memory is still 148.9MB. Free memory was 58.8MB in the beginning and 89.2MB in the end (delta: -30.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 148.9MB. Free memory is still 89.2MB. 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 [2023-11-24 22:15:32,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/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_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi --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 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:35,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:35,233 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:15:35,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:35,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:15:35,294 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:15:35,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:35,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:35,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:35,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:15:35,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:35,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:15:35,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:35,305 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:15:35,306 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:15:35,306 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:15:35,307 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:15:35,307 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:15:35,308 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:15:35,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:15:35,309 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:35,310 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:35,310 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:35,311 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:35,312 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:15:35,312 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:15:35,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:35,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:35,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:35,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:35,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:15:35,317 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:15:35,318 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:15:35,318 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:15:35,319 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:15:35,319 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:15:35,319 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_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 [2023-11-24 22:15:35,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:35,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:35,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:35,792 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:35,792 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:35,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2023-11-24 22:15:38,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:15:39,412 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:15:39,413 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2023-11-24 22:15:39,455 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/data/b1ec3c6f0/687656525d1640b999265b5b077dafa6/FLAG6a43a87f1 [2023-11-24 22:15:39,473 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/data/b1ec3c6f0/687656525d1640b999265b5b077dafa6 [2023-11-24 22:15:39,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:15:39,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:15:39,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:39,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:15:39,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:15:39,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:39" (1/1) ... [2023-11-24 22:15:39,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e39b19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:39, skipping insertion in model container [2023-11-24 22:15:39,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:39" (1/1) ... [2023-11-24 22:15:39,566 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:40,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:40,749 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:15:40,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:41,028 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:41,028 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:41,031 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:41,032 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:41,032 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:41,039 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:15:41,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:41 WrapperNode [2023-11-24 22:15:41,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:41,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:41,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:15:41,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:15:41,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:41" (1/1) ... [2023-11-24 22:15:41,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:41" (1/1) ... [2023-11-24 22:15:41,110 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-11-24 22:15:41,111 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:41,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:15:41,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:15:41,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:15:41,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:41" (1/1) ... [2023-11-24 22:15:41,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:41" (1/1) ... [2023-11-24 22:15:41,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:41" (1/1) ... [2023-11-24 22:15:41,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:41" (1/1) ... [2023-11-24 22:15:41,151 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:41" (1/1) ... [2023-11-24 22:15:41,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:41" (1/1) ... [2023-11-24 22:15:41,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:41" (1/1) ... [2023-11-24 22:15:41,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:41" (1/1) ... [2023-11-24 22:15:41,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:15:41,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:15:41,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:15:41,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:15:41,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:41" (1/1) ... [2023-11-24 22:15:41,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:41,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:15:41,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:15:41,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:15:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:15:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:15:41,252 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:15:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:15:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:15:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:15:41,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:15:41,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:15:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:15:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:15:41,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-24 22:15:41,428 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:15:41,430 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:15:41,585 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:15:41,637 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:15:41,637 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:15:41,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:41 BoogieIcfgContainer [2023-11-24 22:15:41,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:15:41,640 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:15:41,640 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:15:41,652 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:15:41,652 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:41" (1/1) ... [2023-11-24 22:15:41,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:15:41,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:41,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-11-24 22:15:41,723 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-24 22:15:41,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:15:41,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:41,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:15:41,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:15:41,752 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:15:41,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:15:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:41,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:15:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:41,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:15:41,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:41,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:41,980 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:15:41,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:15:42,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:42,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 29 transitions. [2023-11-24 22:15:42,053 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-11-24 22:15:42,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:15:42,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:42,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:15:42,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:15:42,057 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:15:42,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:15:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:42,208 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:15:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:42,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:15:42,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:42,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:42,276 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:15:42,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 22:15:42,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:42,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 28 transitions. [2023-11-24 22:15:42,314 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-24 22:15:42,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:15:42,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:42,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:15:42,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:15:42,317 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:15:42,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 22:15:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:42,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:15:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:42,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:15:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:15:42,781 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:15:42,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-24 22:15:42,790 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-24 22:15:42,817 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 22:15:42,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:15:42 ImpRootNode [2023-11-24 22:15:42,824 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:15:42,825 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:15:42,825 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:15:42,825 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:15:42,825 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:41" (3/4) ... [2023-11-24 22:15:42,828 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:15:42,829 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:15:42,830 INFO L158 Benchmark]: Toolchain (without parser) took 3348.75ms. Allocated memory is still 130.0MB. Free memory was 102.3MB in the beginning and 65.9MB in the end (delta: 36.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-24 22:15:42,830 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 65.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:15:42,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1555.23ms. Allocated memory is still 130.0MB. Free memory was 101.9MB in the beginning and 73.0MB in the end (delta: 28.9MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2023-11-24 22:15:42,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.62ms. Allocated memory is still 130.0MB. Free memory was 73.0MB in the beginning and 69.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:15:42,832 INFO L158 Benchmark]: Boogie Preprocessor took 52.08ms. Allocated memory is still 130.0MB. Free memory was 69.4MB in the beginning and 67.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:15:42,833 INFO L158 Benchmark]: RCFGBuilder took 475.01ms. Allocated memory is still 130.0MB. Free memory was 67.3MB in the beginning and 50.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:15:42,833 INFO L158 Benchmark]: CodeCheck took 1183.71ms. Allocated memory is still 130.0MB. Free memory was 50.0MB in the beginning and 66.8MB in the end (delta: -16.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:15:42,834 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 130.0MB. Free memory was 66.8MB in the beginning and 65.9MB in the end (delta: 860.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:15:42,837 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 53 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 41 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 111 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1578. 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); [L1578] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_14_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalFive==5 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, 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 0.51ms. Allocated memory is still 65.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1555.23ms. Allocated memory is still 130.0MB. Free memory was 101.9MB in the beginning and 73.0MB in the end (delta: 28.9MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.62ms. Allocated memory is still 130.0MB. Free memory was 73.0MB in the beginning and 69.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.08ms. Allocated memory is still 130.0MB. Free memory was 69.4MB in the beginning and 67.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.01ms. Allocated memory is still 130.0MB. Free memory was 67.3MB in the beginning and 50.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1183.71ms. Allocated memory is still 130.0MB. Free memory was 50.0MB in the beginning and 66.8MB in the end (delta: -16.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 130.0MB. Free memory was 66.8MB in the beginning and 65.9MB in the end (delta: 860.0kB). 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 [2023-11-24 22:15:42,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_411aa3c1-f2bc-4f68-bdd4-297f3d1de93d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample