./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV --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 4b2e2f64888507ceaf0a48c0aaeb190d2e2c838953f1b8fa6b6d835aa7148429 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:44,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:44,829 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:55:44,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:55:44,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:55:44,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:44,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:44,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:44,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:44,864 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:44,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:44,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:44,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:55:44,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:44,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:44,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:44,869 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:44,869 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:44,870 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:44,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:44,871 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:44,872 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:44,872 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:44,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:44,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:44,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:44,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:44,875 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:44,876 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:55:44,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:55:44,877 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:44,877 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_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b2e2f64888507ceaf0a48c0aaeb190d2e2c838953f1b8fa6b6d835aa7148429 [2023-11-11 23:55:45,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:45,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:45,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:45,182 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:45,183 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:45,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_15_bad.i [2023-11-11 23:55:48,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:48,886 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:48,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_15_bad.i [2023-11-11 23:55:48,915 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/data/a708073c5/cb02d09bd557421ebd5c820b9aba24a1/FLAGc555ad852 [2023-11-11 23:55:48,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/data/a708073c5/cb02d09bd557421ebd5c820b9aba24a1 [2023-11-11 23:55:48,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:48,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:48,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:48,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:48,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:48,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:48" (1/1) ... [2023-11-11 23:55:48,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9d7dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:48, skipping insertion in model container [2023-11-11 23:55:48,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:48" (1/1) ... [2023-11-11 23:55:49,020 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:49,455 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:55:50,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:50,088 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:50,123 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:55:50,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:50,414 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:50,415 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:50,415 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:50,415 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:50,415 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:50,415 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:50,424 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:50,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:50 WrapperNode [2023-11-11 23:55:50,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:50,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:50,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:50,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:50,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:50" (1/1) ... [2023-11-11 23:55:50,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:50" (1/1) ... [2023-11-11 23:55:50,496 INFO L138 Inliner]: procedures = 500, calls = 68, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2023-11-11 23:55:50,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:50,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:50,497 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:50,497 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:50,507 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:50" (1/1) ... [2023-11-11 23:55:50,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:50" (1/1) ... [2023-11-11 23:55:50,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:50" (1/1) ... [2023-11-11 23:55:50,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:50" (1/1) ... [2023-11-11 23:55:50,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:50" (1/1) ... [2023-11-11 23:55:50,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:50" (1/1) ... [2023-11-11 23:55:50,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:50" (1/1) ... [2023-11-11 23:55:50,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:50" (1/1) ... [2023-11-11 23:55:50,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:50,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:50,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:50,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:50,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:50" (1/1) ... [2023-11-11 23:55:50,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:50,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:50,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:50,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:50,648 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:55:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:55:50,649 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:55:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:55:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:50,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:55:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:55:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:55:50,796 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:50,797 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:50,930 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:50,973 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:50,973 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:55:50,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:50 BoogieIcfgContainer [2023-11-11 23:55:50,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:55:50,977 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:55:50,978 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:55:50,988 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:55:50,988 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:50" (1/1) ... [2023-11-11 23:55:50,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:55:51,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:51,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-11-11 23:55:51,057 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-11-11 23:55:51,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:55:51,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:51,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:51,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:51,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:51,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 26 transitions. [2023-11-11 23:55:51,410 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-11 23:55:51,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:55:51,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:51,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:55:51,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:55:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:55:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:55:51,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:55:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:55:51,639 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-11 23:55:51,671 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch98 could not be translated [2023-11-11 23:55:51,671 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch101 could not be translated [2023-11-11 23:55:51,672 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch101 could not be translated [2023-11-11 23:55:51,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:55:51 ImpRootNode [2023-11-11 23:55:51,676 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:55:51,677 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:55:51,677 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:55:51,677 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:55:51,678 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:50" (3/4) ... [2023-11-11 23:55:51,683 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:55:51,684 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:55:51,684 INFO L158 Benchmark]: Toolchain (without parser) took 2749.81ms. Allocated memory is still 172.0MB. Free memory was 123.2MB in the beginning and 130.8MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:51,685 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:51,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1488.67ms. Allocated memory is still 172.0MB. Free memory was 123.2MB in the beginning and 111.2MB in the end (delta: 11.9MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2023-11-11 23:55:51,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.65ms. Allocated memory is still 172.0MB. Free memory was 111.2MB in the beginning and 108.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:55:51,687 INFO L158 Benchmark]: Boogie Preprocessor took 31.19ms. Allocated memory is still 172.0MB. Free memory was 108.3MB in the beginning and 107.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:51,688 INFO L158 Benchmark]: RCFGBuilder took 447.64ms. Allocated memory is still 172.0MB. Free memory was 106.3MB in the beginning and 91.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:55:51,688 INFO L158 Benchmark]: CodeCheck took 698.78ms. Allocated memory is still 172.0MB. Free memory was 91.6MB in the beginning and 130.8MB in the end (delta: -39.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:51,689 INFO L158 Benchmark]: Witness Printer took 7.10ms. Allocated memory is still 172.0MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:51,692 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 19 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 2 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559. 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); [L1587] 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={6:0}] [L1414] COND TRUE line != ((void *)0) [L1587] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:31}, argv={12:31}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1588] CALL CWE191_Integer_Underflow__int_fgets_sub_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] EXPR data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555-L1565] { 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=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1488.67ms. Allocated memory is still 172.0MB. Free memory was 123.2MB in the beginning and 111.2MB in the end (delta: 11.9MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.65ms. Allocated memory is still 172.0MB. Free memory was 111.2MB in the beginning and 108.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.19ms. Allocated memory is still 172.0MB. Free memory was 108.3MB in the beginning and 107.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 447.64ms. Allocated memory is still 172.0MB. Free memory was 106.3MB in the beginning and 91.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 698.78ms. Allocated memory is still 172.0MB. Free memory was 91.6MB in the beginning and 130.8MB in the end (delta: -39.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.10ms. Allocated memory is still 172.0MB. Free memory is still 130.8MB. 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: IdentifierExpression #t~switch98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch101 could not be translated - 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 [2023-11-11 23:55:51,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/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_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV --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 4b2e2f64888507ceaf0a48c0aaeb190d2e2c838953f1b8fa6b6d835aa7148429 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:54,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:54,472 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-11 23:55:54,521 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:54,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:54,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:54,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:54,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:54,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:54,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:54,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:54,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:54,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:54,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:54,529 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:55:54,533 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:55:54,535 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:54,541 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:55:54,541 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:54,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:54,544 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:54,546 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:54,546 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:54,547 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:55:54,547 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:54,548 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:55:54,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:54,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:54,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:54,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:54,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:54,551 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:55:54,552 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:54,552 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:54,552 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:55:54,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:55:54,553 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_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b2e2f64888507ceaf0a48c0aaeb190d2e2c838953f1b8fa6b6d835aa7148429 [2023-11-11 23:55:54,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:54,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:54,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:54,979 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:54,980 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:54,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_15_bad.i [2023-11-11 23:55:58,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:58,600 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:58,603 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_15_bad.i [2023-11-11 23:55:58,636 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/data/772759caf/081ec0b727224756afd1136b5f4abbfc/FLAGceb9d4301 [2023-11-11 23:55:58,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/data/772759caf/081ec0b727224756afd1136b5f4abbfc [2023-11-11 23:55:58,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:58,663 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:58,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:58,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:58,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:58,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:58" (1/1) ... [2023-11-11 23:55:58,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550f1dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:58, skipping insertion in model container [2023-11-11 23:55:58,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:58" (1/1) ... [2023-11-11 23:55:58,741 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:59,161 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:55:59,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:59,855 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:59,875 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:55:59,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:00,076 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:00,077 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:00,077 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:00,077 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:00,078 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:00,078 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:00,086 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:56:00,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:00 WrapperNode [2023-11-11 23:56:00,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:00,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:00,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:56:00,087 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:56:00,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:00" (1/1) ... [2023-11-11 23:56:00,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:00" (1/1) ... [2023-11-11 23:56:00,159 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2023-11-11 23:56:00,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:00,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:56:00,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:56:00,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:56:00,171 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:00" (1/1) ... [2023-11-11 23:56:00,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:00" (1/1) ... [2023-11-11 23:56:00,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:00" (1/1) ... [2023-11-11 23:56:00,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:00" (1/1) ... [2023-11-11 23:56:00,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:00" (1/1) ... [2023-11-11 23:56:00,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:00" (1/1) ... [2023-11-11 23:56:00,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:00" (1/1) ... [2023-11-11 23:56:00,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:00" (1/1) ... [2023-11-11 23:56:00,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:56:00,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:56:00,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:56:00,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:56:00,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:00" (1/1) ... [2023-11-11 23:56:00,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:00,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:56:00,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:56:00,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:56:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:56:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:56:00,331 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:56:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:56:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:56:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:56:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:56:00,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:56:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:56:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:56:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-11 23:56:00,575 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:56:00,577 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:56:00,798 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:56:00,867 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:56:00,867 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:56:00,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:00 BoogieIcfgContainer [2023-11-11 23:56:00,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:56:00,871 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:56:00,871 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:56:00,882 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:56:00,884 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:00" (1/1) ... [2023-11-11 23:56:00,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:56:00,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:00,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-11-11 23:56:00,951 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-11-11 23:56:00,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:56:00,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:00,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:56:00,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:56:00,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:56:00,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:56:01,037 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort RoundingMode not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:159) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:440) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:56:01,041 INFO L158 Benchmark]: Toolchain (without parser) took 2377.29ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 45.5MB in the beginning and 50.4MB in the end (delta: -4.9MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2023-11-11 23:56:01,042 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 48.8MB in the end (delta: 77.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:01,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1422.50ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 45.4MB in the beginning and 52.0MB in the end (delta: -6.6MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:01,043 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.61ms. Allocated memory is still 102.8MB. Free memory was 52.0MB in the beginning and 49.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:56:01,044 INFO L158 Benchmark]: Boogie Preprocessor took 52.93ms. Allocated memory is still 102.8MB. Free memory was 49.1MB in the beginning and 74.8MB in the end (delta: -25.7MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-11-11 23:56:01,045 INFO L158 Benchmark]: RCFGBuilder took 655.91ms. Allocated memory is still 102.8MB. Free memory was 74.8MB in the beginning and 56.5MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:56:01,045 INFO L158 Benchmark]: CodeCheck took 168.14ms. Allocated memory is still 102.8MB. Free memory was 56.5MB in the beginning and 50.4MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:56:01,049 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort RoundingMode not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort RoundingMode not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 48.8MB in the end (delta: 77.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1422.50ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 45.4MB in the beginning and 52.0MB in the end (delta: -6.6MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.61ms. Allocated memory is still 102.8MB. Free memory was 52.0MB in the beginning and 49.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.93ms. Allocated memory is still 102.8MB. Free memory was 49.1MB in the beginning and 74.8MB in the end (delta: -25.7MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * RCFGBuilder took 655.91ms. Allocated memory is still 102.8MB. Free memory was 74.8MB in the beginning and 56.5MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 168.14ms. Allocated memory is still 102.8MB. Free memory was 56.5MB in the beginning and 50.4MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:56:01,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:56:01,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739e0906-6494-48e5-9450-8e4fd057185a/bin/ukojak-verify-0OAaufAVZV/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: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort RoundingMode not declared