./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_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_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/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_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/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_03719c90-ac08-42f8-b6b2-8816f28293b8/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 0e213e4881a4fb7a4a271c29da39e29e45ce4201f3fcd8c2e6b516fd3e1e71f0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:46:51,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:46:51,917 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:46:51,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:46:51,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:46:51,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:46:51,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:46:51,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:46:51,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:46:51,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:46:51,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:46:51,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:46:51,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:46:51,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:46:51,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:46:51,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:46:51,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:46:51,977 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:46:51,977 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:46:51,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:46:51,978 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:46:51,979 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:46:51,980 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:46:51,980 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:46:51,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:51,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:46:51,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:46:51,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:46:51,983 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:46:51,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:46:51,984 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:46:51,984 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_03719c90-ac08-42f8-b6b2-8816f28293b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e213e4881a4fb7a4a271c29da39e29e45ce4201f3fcd8c2e6b516fd3e1e71f0 [2023-11-11 23:46:52,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:46:52,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:46:52,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:46:52,304 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:46:52,304 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:46:52,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i [2023-11-11 23:46:55,520 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:46:55,910 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:46:55,911 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i [2023-11-11 23:46:55,944 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/data/d5ee21b34/c231a974fae644e8b68e24162f20d706/FLAG44229c1b4 [2023-11-11 23:46:55,961 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/data/d5ee21b34/c231a974fae644e8b68e24162f20d706 [2023-11-11 23:46:55,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:46:55,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:46:55,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:55,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:46:55,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:46:55,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:55" (1/1) ... [2023-11-11 23:46:55,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216299dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:55, skipping insertion in model container [2023-11-11 23:46:55,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:55" (1/1) ... [2023-11-11 23:46:56,045 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:56,536 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:46:57,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:57,070 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:46:57,103 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:46:57,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:57,395 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:57,395 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:57,396 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:57,396 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:57,396 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:57,396 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:46:57,404 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:46:57,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57 WrapperNode [2023-11-11 23:46:57,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:57,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:57,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:46:57,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:46:57,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:57,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:57,469 INFO L138 Inliner]: procedures = 501, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2023-11-11 23:46:57,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:57,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:46:57,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:46:57,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:46:57,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:57,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:57,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:57,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:57,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:57,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:57,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:57,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:57,533 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:46:57,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:46:57,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:46:57,534 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:46:57,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:57" (1/1) ... [2023-11-11 23:46:57,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:57,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:46:57,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:46:57,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:46:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:46:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:46:57,645 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:46:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:46:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:46:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:46:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:46:57,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:46:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:46:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:46:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:46:57,805 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:46:57,807 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:46:57,999 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:46:58,044 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:46:58,044 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:46:58,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:58 BoogieIcfgContainer [2023-11-11 23:46:58,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:46:58,048 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:46:58,048 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:46:58,059 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:46:58,059 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:58" (1/1) ... [2023-11-11 23:46:58,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:46:58,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:58,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-11 23:46:58,153 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-11 23:46:58,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:46:58,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:58,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:46:58,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:46:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:46:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:46:58,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:46:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:46:58,603 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:46:58,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:46:58 ImpRootNode [2023-11-11 23:46:58,636 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:46:58,637 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:46:58,637 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:46:58,637 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:46:58,638 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:58" (3/4) ... [2023-11-11 23:46:58,640 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:46:58,642 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:46:58,643 INFO L158 Benchmark]: Toolchain (without parser) took 2676.12ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 92.9MB in the beginning and 122.1MB in the end (delta: -29.2MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2023-11-11 23:46:58,644 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 144.7MB. Free memory was 114.1MB in the beginning and 114.0MB in the end (delta: 134.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:58,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1437.34ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 92.5MB in the beginning and 101.7MB in the end (delta: -9.2MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2023-11-11 23:46:58,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.60ms. Allocated memory is still 174.1MB. Free memory was 101.7MB in the beginning and 98.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:58,647 INFO L158 Benchmark]: Boogie Preprocessor took 62.47ms. Allocated memory is still 174.1MB. Free memory was 98.8MB in the beginning and 97.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:58,648 INFO L158 Benchmark]: RCFGBuilder took 513.73ms. Allocated memory is still 174.1MB. Free memory was 97.5MB in the beginning and 82.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:46:58,648 INFO L158 Benchmark]: CodeCheck took 587.79ms. Allocated memory is still 174.1MB. Free memory was 82.8MB in the beginning and 123.2MB in the end (delta: -40.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:46:58,649 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 174.1MB. Free memory was 123.2MB in the beginning and 122.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:46:58,654 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int CWE191_Integer_Underflow__int_fgets_sub_45_badData; [L1549] static int CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData; [L1580] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_sub_45_badData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData=0, 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) [L1580] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_sub_45_badData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=26, argc=26, argv={27:25}, argv={27:25}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] CALL CWE191_Integer_Underflow__int_fgets_sub_45_bad() [L1561] int data; [L1562] data = 0 [L1564] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1565] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1567] EXPR data = atoi(inputBuffer) [L1564] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1563-L1573] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1574] CWE191_Integer_Underflow__int_fgets_sub_45_badData = data [L1575] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_fgets_sub_45_badData; VAL [CWE191_Integer_Underflow__int_fgets_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData=0, 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] [L1555] data - 1 VAL [CWE191_Integer_Underflow__int_fgets_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_45_goodG2BData=0, 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 0.36ms. Allocated memory is still 144.7MB. Free memory was 114.1MB in the beginning and 114.0MB in the end (delta: 134.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1437.34ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 92.5MB in the beginning and 101.7MB in the end (delta: -9.2MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.60ms. Allocated memory is still 174.1MB. Free memory was 101.7MB in the beginning and 98.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.47ms. Allocated memory is still 174.1MB. Free memory was 98.8MB in the beginning and 97.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.73ms. Allocated memory is still 174.1MB. Free memory was 97.5MB in the beginning and 82.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 587.79ms. Allocated memory is still 174.1MB. Free memory was 82.8MB in the beginning and 123.2MB in the end (delta: -40.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 174.1MB. Free memory was 123.2MB in the beginning and 122.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-11 23:46:58,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/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_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/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_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/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_03719c90-ac08-42f8-b6b2-8816f28293b8/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 0e213e4881a4fb7a4a271c29da39e29e45ce4201f3fcd8c2e6b516fd3e1e71f0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:47:01,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:47:01,600 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-11 23:47:01,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:47:01,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:47:01,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:47:01,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:47:01,670 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:47:01,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:47:01,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:47:01,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:47:01,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:47:01,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:47:01,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:47:01,680 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:47:01,681 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:47:01,681 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:47:01,682 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:47:01,682 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:47:01,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:47:01,684 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:47:01,685 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:47:01,685 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:47:01,686 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:47:01,686 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:47:01,687 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:47:01,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:47:01,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:01,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:47:01,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:47:01,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:47:01,691 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:47:01,691 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:47:01,692 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:47:01,692 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:47:01,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:47:01,693 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_03719c90-ac08-42f8-b6b2-8816f28293b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e213e4881a4fb7a4a271c29da39e29e45ce4201f3fcd8c2e6b516fd3e1e71f0 [2023-11-11 23:47:02,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:47:02,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:47:02,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:47:02,224 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:47:02,225 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:47:02,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i [2023-11-11 23:47:05,484 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:47:05,916 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:47:05,917 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_45_bad.i [2023-11-11 23:47:05,948 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/data/a75310ab6/867981a6ad4841f79291b0c6e6f5400a/FLAGc0c2d34d0 [2023-11-11 23:47:06,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/data/a75310ab6/867981a6ad4841f79291b0c6e6f5400a [2023-11-11 23:47:06,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:47:06,062 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:47:06,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:06,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:47:06,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:47:06,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:06" (1/1) ... [2023-11-11 23:47:06,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10dc21a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:06, skipping insertion in model container [2023-11-11 23:47:06,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:06" (1/1) ... [2023-11-11 23:47:06,159 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:47:06,596 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:47:07,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:07,241 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:47:07,263 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:47:07,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:07,548 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:07,549 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:07,549 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:07,549 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:07,549 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:07,549 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:07,557 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:47:07,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:07 WrapperNode [2023-11-11 23:47:07,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:07,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:07,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:47:07,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:47:07,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:07" (1/1) ... [2023-11-11 23:47:07,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:07" (1/1) ... [2023-11-11 23:47:07,647 INFO L138 Inliner]: procedures = 506, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2023-11-11 23:47:07,647 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:07,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:47:07,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:47:07,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:47:07,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:07" (1/1) ... [2023-11-11 23:47:07,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:07" (1/1) ... [2023-11-11 23:47:07,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:07" (1/1) ... [2023-11-11 23:47:07,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:07" (1/1) ... [2023-11-11 23:47:07,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:07" (1/1) ... [2023-11-11 23:47:07,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:07" (1/1) ... [2023-11-11 23:47:07,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:07" (1/1) ... [2023-11-11 23:47:07,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:07" (1/1) ... [2023-11-11 23:47:07,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:47:07,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:47:07,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:47:07,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:47:07,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:07" (1/1) ... [2023-11-11 23:47:07,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:07,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:47:07,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:47:07,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:47:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:47:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:47:07,850 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:47:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:47:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:47:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:47:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:47:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:47:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:47:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:47:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-11 23:47:08,095 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:47:08,098 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:47:08,281 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:47:08,345 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:47:08,346 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:47:08,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:08 BoogieIcfgContainer [2023-11-11 23:47:08,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:47:08,349 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:47:08,349 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:47:08,361 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:47:08,362 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:08" (1/1) ... [2023-11-11 23:47:08,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:47:08,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:08,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-11 23:47:08,441 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-11 23:47:08,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:47:08,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:08,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:47:08,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:47:08,453 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:47:08,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:47:08,524 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 23:47:08,528 INFO L158 Benchmark]: Toolchain (without parser) took 2465.95ms. Allocated memory is still 104.9MB. Free memory was 77.2MB in the beginning and 56.9MB in the end (delta: 20.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2023-11-11 23:47:08,529 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:08,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1490.62ms. Allocated memory is still 104.9MB. Free memory was 77.2MB in the beginning and 44.9MB in the end (delta: 32.3MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2023-11-11 23:47:08,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.88ms. Allocated memory is still 104.9MB. Free memory was 44.9MB in the beginning and 41.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:47:08,531 INFO L158 Benchmark]: Boogie Preprocessor took 77.85ms. Allocated memory is still 104.9MB. Free memory was 41.7MB in the beginning and 39.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:08,535 INFO L158 Benchmark]: RCFGBuilder took 621.41ms. Allocated memory is still 104.9MB. Free memory was 39.6MB in the beginning and 62.5MB in the end (delta: -22.8MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-11-11 23:47:08,535 INFO L158 Benchmark]: CodeCheck took 177.51ms. Allocated memory is still 104.9MB. Free memory was 62.5MB in the beginning and 56.9MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:47:08,539 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 0.74ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1490.62ms. Allocated memory is still 104.9MB. Free memory was 77.2MB in the beginning and 44.9MB in the end (delta: 32.3MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.88ms. Allocated memory is still 104.9MB. Free memory was 44.9MB in the beginning and 41.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.85ms. Allocated memory is still 104.9MB. Free memory was 41.7MB in the beginning and 39.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 621.41ms. Allocated memory is still 104.9MB. Free memory was 39.6MB in the beginning and 62.5MB in the end (delta: -22.8MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * CodeCheck took 177.51ms. Allocated memory is still 104.9MB. Free memory was 62.5MB in the beginning and 56.9MB in the end (delta: 5.6MB). 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 23:47:08,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:47:08,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03719c90-ac08-42f8-b6b2-8816f28293b8/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