./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 659eed829d564fb849fd8098859cce46da5dbca5102a6ac46c305da83ec72a4b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:34,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:34,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:56:34,917 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:34,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:34,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:34,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:34,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:34,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:34,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:34,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:34,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:34,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:34,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:34,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:34,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:34,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:34,954 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:56:34,954 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:34,955 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:34,955 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:34,956 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:34,956 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:34,957 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:34,957 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:34,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:34,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:34,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:34,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:34,960 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:34,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:34,960 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:34,961 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_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 659eed829d564fb849fd8098859cce46da5dbca5102a6ac46c305da83ec72a4b [2023-11-24 22:56:35,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:35,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:35,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:35,255 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:35,256 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:35,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_66_bad.i [2023-11-24 22:56:38,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:38,855 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:38,856 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_66_bad.i [2023-11-24 22:56:38,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/data/4948f5bfc/8ed90f510cc045c59e59807d8631d88b/FLAGdd67fad5a [2023-11-24 22:56:38,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/data/4948f5bfc/8ed90f510cc045c59e59807d8631d88b [2023-11-24 22:56:38,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:38,919 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:38,922 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:38,923 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:38,927 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:38,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:38" (1/1) ... [2023-11-24 22:56:38,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6774fe31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:38, skipping insertion in model container [2023-11-24 22:56:38,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:38" (1/1) ... [2023-11-24 22:56:39,031 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:41,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:41,168 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:41,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:41,760 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:41,760 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:41,761 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:41,761 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:41,761 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:41,770 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:41,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:41 WrapperNode [2023-11-24 22:56:41,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:41,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:41,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:41,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:41,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:41" (1/1) ... [2023-11-24 22:56:41,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:41" (1/1) ... [2023-11-24 22:56:41,859 INFO L138 Inliner]: procedures = 938, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2023-11-24 22:56:41,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:41,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:41,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:41,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:41,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:41" (1/1) ... [2023-11-24 22:56:41,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:41" (1/1) ... [2023-11-24 22:56:41,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:41" (1/1) ... [2023-11-24 22:56:41,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:41" (1/1) ... [2023-11-24 22:56:41,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:41" (1/1) ... [2023-11-24 22:56:41,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:41" (1/1) ... [2023-11-24 22:56:41,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:41" (1/1) ... [2023-11-24 22:56:41,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:41" (1/1) ... [2023-11-24 22:56:41,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:41,899 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:41,900 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:41,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:41,901 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:41" (1/1) ... [2023-11-24 22:56:41,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:41,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:41,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:41,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:56:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:56:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:56:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:56:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:56:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:56:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:56:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:56:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:42,204 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:42,206 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:42,360 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:42,410 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:42,410 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:56:42,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:42 BoogieIcfgContainer [2023-11-24 22:56:42,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:42,413 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:42,414 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:42,425 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:42,426 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:42" (1/1) ... [2023-11-24 22:56:42,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:42,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:42,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-24 22:56:42,496 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-24 22:56:42,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:56:42,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:42,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:42,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:42,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:42,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-24 22:56:42,890 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-24 22:56:42,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:42,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:42,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:43,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:43,155 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 22:56:43,187 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet186 [2023-11-24 22:56:43,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:56:43 ImpRootNode [2023-11-24 22:56:43,195 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:56:43,198 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:56:43,198 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:56:43,198 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:56:43,199 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:42" (3/4) ... [2023-11-24 22:56:43,201 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:56:43,203 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:56:43,204 INFO L158 Benchmark]: Toolchain (without parser) took 4284.75ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 83.3MB in the beginning and 134.6MB in the end (delta: -51.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:43,205 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:43,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2848.83ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 82.9MB in the beginning and 118.6MB in the end (delta: -35.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-24 22:56:43,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.49ms. Allocated memory is still 178.3MB. Free memory was 118.6MB in the beginning and 114.3MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:56:43,208 INFO L158 Benchmark]: Boogie Preprocessor took 37.29ms. Allocated memory is still 178.3MB. Free memory was 114.3MB in the beginning and 112.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:43,210 INFO L158 Benchmark]: RCFGBuilder took 513.50ms. Allocated memory is still 178.3MB. Free memory was 112.3MB in the beginning and 96.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:56:43,215 INFO L158 Benchmark]: CodeCheck took 782.04ms. Allocated memory is still 178.3MB. Free memory was 96.6MB in the beginning and 134.6MB in the end (delta: -38.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:43,217 INFO L158 Benchmark]: Witness Printer took 5.32ms. Allocated memory is still 178.3MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:43,225 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 52 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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: 1864]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1842, overapproximation of large string literal at line 1855. 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); [L1855] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1855] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=49, argc=49, argv={50:51}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1856] CALL CWE190_Integer_Overflow__int_fgets_square_66_bad() [L1835] int data; [L1836] int dataArray[5]; [L1837] data = 0 [L1839] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1840] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1842] EXPR data = atoi(inputBuffer) [L1839] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1838-L1848] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1849] dataArray[2] = data [L1850] CALL CWE190_Integer_Overflow__int_fgets_square_66b_badSink(dataArray) [L1862] EXPR dataArray[2] [L1862] int data = dataArray[2]; [L1864] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=40518559, dataArray={6:0}, dataArray={6:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2848.83ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 82.9MB in the beginning and 118.6MB in the end (delta: -35.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.49ms. Allocated memory is still 178.3MB. Free memory was 118.6MB in the beginning and 114.3MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.29ms. Allocated memory is still 178.3MB. Free memory was 114.3MB in the beginning and 112.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.50ms. Allocated memory is still 178.3MB. Free memory was 112.3MB in the beginning and 96.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 782.04ms. Allocated memory is still 178.3MB. Free memory was 96.6MB in the beginning and 134.6MB in the end (delta: -38.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.32ms. Allocated memory is still 178.3MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet186 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:56:43,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 659eed829d564fb849fd8098859cce46da5dbca5102a6ac46c305da83ec72a4b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:46,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:46,603 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:56:46,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:46,662 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:46,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:46,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:46,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:46,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:46,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:46,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:46,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:46,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:46,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:46,675 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:56:46,675 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:56:46,676 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:56:46,676 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:56:46,676 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:46,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:46,678 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:46,679 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:46,680 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:46,680 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:46,681 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:46,681 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:46,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:46,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:46,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:46,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:46,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:46,685 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:56:46,685 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:46,685 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:46,686 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:56:46,686 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:46,686 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_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 659eed829d564fb849fd8098859cce46da5dbca5102a6ac46c305da83ec72a4b [2023-11-24 22:56:47,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:47,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:47,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:47,165 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:47,166 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:47,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_66_bad.i [2023-11-24 22:56:50,392 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:50,941 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:50,942 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_66_bad.i [2023-11-24 22:56:50,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/data/bcdf52838/ab1225968189497abd09ac8c5fcc2a93/FLAGbca0e5598 [2023-11-24 22:56:51,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/data/bcdf52838/ab1225968189497abd09ac8c5fcc2a93 [2023-11-24 22:56:51,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:51,009 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:51,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:51,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:51,019 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:51,020 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:51" (1/1) ... [2023-11-24 22:56:51,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aff8800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:51, skipping insertion in model container [2023-11-24 22:56:51,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:51" (1/1) ... [2023-11-24 22:56:51,179 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:53,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:53,306 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:53,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:53,738 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:53,739 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:53,739 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:53,739 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:53,739 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:53,749 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:53,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53 WrapperNode [2023-11-24 22:56:53,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:53,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:53,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:53,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:53,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:53,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:53,873 INFO L138 Inliner]: procedures = 943, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2023-11-24 22:56:53,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:53,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:53,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:53,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:53,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:53,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:53,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:53,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:53,909 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:53,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:53,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:53,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:53,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:53,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:53,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:53,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:53,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:53,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:53,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:53,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:53,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:56:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:56:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-24 22:56:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:56:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:56:54,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:56:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:56:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:56:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:56:54,241 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:54,244 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:57,148 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:57,260 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:57,260 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:56:57,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:57 BoogieIcfgContainer [2023-11-24 22:56:57,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:57,264 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:57,264 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:57,277 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:57,277 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:57" (1/1) ... [2023-11-24 22:56:57,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:57,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:57,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-24 22:56:57,389 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-24 22:56:57,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:56:57,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:57,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:57,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:57,407 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:57,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d9fd6a-95e3-479d-931d-aeb42890dfc3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process