./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/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_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/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_1450f291-075d-47a8-a7f9-cd78690bb324/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 aea78b57d5b0f1ab0f2c8112a2e7ec086767de4c9178e29fa6503e8bf6ccca38 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:35,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:35,569 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:12:35,575 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:12:35,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:12:35,615 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:35,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:35,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:35,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:35,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:35,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:35,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:35,627 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:12:35,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:35,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:35,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:35,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:35,631 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:12:35,632 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:12:35,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:35,633 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:35,634 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:35,635 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:35,635 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:35,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:35,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:35,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:35,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:35,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:35,639 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:12:35,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:12:35,640 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:35,640 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_1450f291-075d-47a8-a7f9-cd78690bb324/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aea78b57d5b0f1ab0f2c8112a2e7ec086767de4c9178e29fa6503e8bf6ccca38 [2023-11-24 22:12:35,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:35,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:35,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:35,949 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:35,950 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:35,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_32_bad.i [2023-11-24 22:12:39,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:39,502 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:39,503 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_32_bad.i [2023-11-24 22:12:39,539 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/data/dac6c2390/e21f26b02f1347a0ad298083ea309172/FLAGce0d64058 [2023-11-24 22:12:39,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/data/dac6c2390/e21f26b02f1347a0ad298083ea309172 [2023-11-24 22:12:39,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:39,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:39,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:39,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:39,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:39,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:39" (1/1) ... [2023-11-24 22:12:39,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4554bc6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:39, skipping insertion in model container [2023-11-24 22:12:39,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:39" (1/1) ... [2023-11-24 22:12:39,682 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:41,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:41,752 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:41,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:42,329 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:42,330 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:42,330 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:42,330 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:42,338 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:42,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:42 WrapperNode [2023-11-24 22:12:42,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:42,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:42,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:42,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:42,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:42" (1/1) ... [2023-11-24 22:12:42,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:42" (1/1) ... [2023-11-24 22:12:42,421 INFO L138 Inliner]: procedures = 936, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2023-11-24 22:12:42,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:42,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:42,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:42,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:42,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:42" (1/1) ... [2023-11-24 22:12:42,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:42" (1/1) ... [2023-11-24 22:12:42,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:42" (1/1) ... [2023-11-24 22:12:42,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:42" (1/1) ... [2023-11-24 22:12:42,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:42" (1/1) ... [2023-11-24 22:12:42,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:42" (1/1) ... [2023-11-24 22:12:42,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:42" (1/1) ... [2023-11-24 22:12:42,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:42" (1/1) ... [2023-11-24 22:12:42,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:42,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:42,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:42,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:42,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:42" (1/1) ... [2023-11-24 22:12:42,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:42,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:42,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:42,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:42,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:12:42,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:42,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:42,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:42,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:12:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:12:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:12:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:12:42,555 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:12:42,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:12:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:12:42,768 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:42,771 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:42,914 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:42,955 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:42,955 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:12:42,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:42 BoogieIcfgContainer [2023-11-24 22:12:42,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:42,958 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:42,958 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:42,966 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:42,966 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:42" (1/1) ... [2023-11-24 22:12:42,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:12:43,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:43,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:12:43,025 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:12:43,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:12:43,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:43,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:43,312 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 22:12:43,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:43,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-24 22:12:43,332 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-24 22:12:43,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:12:43,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:43,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:43,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:12:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:43,606 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 22:12:43,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet188 [2023-11-24 22:12:43,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:12:43 ImpRootNode [2023-11-24 22:12:43,642 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:12:43,644 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:12:43,645 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:12:43,645 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:12:43,646 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:42" (3/4) ... [2023-11-24 22:12:43,648 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:12:43,649 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:12:43,651 INFO L158 Benchmark]: Toolchain (without parser) took 4079.42ms. Allocated memory is still 134.2MB. Free memory was 87.6MB in the beginning and 45.1MB in the end (delta: 42.5MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2023-11-24 22:12:43,652 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 109.1MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:43,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2764.92ms. Allocated memory is still 134.2MB. Free memory was 87.6MB in the beginning and 96.5MB in the end (delta: -8.9MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:43,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.12ms. Allocated memory is still 134.2MB. Free memory was 96.5MB in the beginning and 92.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:12:43,654 INFO L158 Benchmark]: Boogie Preprocessor took 29.97ms. Allocated memory is still 134.2MB. Free memory was 92.3MB in the beginning and 91.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:43,655 INFO L158 Benchmark]: RCFGBuilder took 504.55ms. Allocated memory is still 134.2MB. Free memory was 91.2MB in the beginning and 74.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:12:43,656 INFO L158 Benchmark]: CodeCheck took 683.97ms. Allocated memory is still 134.2MB. Free memory was 74.5MB in the beginning and 46.1MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-24 22:12:43,663 INFO L158 Benchmark]: Witness Printer took 5.15ms. Allocated memory is still 134.2MB. Free memory was 46.1MB in the beginning and 45.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:43,671 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 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, 6 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 34 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, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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: 1846]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1854. 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); [L1854] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1854] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=75, argc=75, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1855] CALL CWE190_Integer_Overflow__int_fscanf_square_32_bad() [L1834] int data; [L1835] int *dataPtr1 = &data; [L1836] int *dataPtr2 = &data; [L1837] data = 0 [L1839] int data = *dataPtr1; [L1839] EXPR \read(*dataPtr1) [L1839] int data = *dataPtr1; [L1841] EXPR \read(data) [L1841] EXPR *dataPtr1 = data [L1839] int data = *dataPtr1; [L1838-L1842] { int data = *dataPtr1; fscanf(stdin, "%d", &data); *dataPtr1 = data; } [L1844] EXPR \read(*dataPtr2) [L1844] int data = *dataPtr2; [L1846] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-357912912, data={5:0}, dataPtr1={5:0}, dataPtr2={5:0}, 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 0.62ms. Allocated memory is still 109.1MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2764.92ms. Allocated memory is still 134.2MB. Free memory was 87.6MB in the beginning and 96.5MB in the end (delta: -8.9MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.12ms. Allocated memory is still 134.2MB. Free memory was 96.5MB in the beginning and 92.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.97ms. Allocated memory is still 134.2MB. Free memory was 92.3MB in the beginning and 91.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.55ms. Allocated memory is still 134.2MB. Free memory was 91.2MB in the beginning and 74.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 683.97ms. Allocated memory is still 134.2MB. Free memory was 74.5MB in the beginning and 46.1MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 5.15ms. Allocated memory is still 134.2MB. Free memory was 46.1MB in the beginning and 45.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet188 - 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 22:12:43,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/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_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/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_1450f291-075d-47a8-a7f9-cd78690bb324/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 aea78b57d5b0f1ab0f2c8112a2e7ec086767de4c9178e29fa6503e8bf6ccca38 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:46,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:46,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:12:46,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:46,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:46,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:46,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:46,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:46,478 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:46,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:46,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:46,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:46,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:46,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:46,481 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:12:46,482 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:12:46,482 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:12:46,483 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:12:46,483 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:12:46,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:46,484 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:46,485 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:46,485 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:46,486 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:46,486 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:46,487 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:12:46,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:46,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:46,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:46,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:46,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:46,490 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:12:46,490 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:46,491 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:46,491 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:12:46,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:12:46,492 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_1450f291-075d-47a8-a7f9-cd78690bb324/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aea78b57d5b0f1ab0f2c8112a2e7ec086767de4c9178e29fa6503e8bf6ccca38 [2023-11-24 22:12:46,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:46,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:46,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:46,963 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:46,965 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:46,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_32_bad.i [2023-11-24 22:12:50,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:50,725 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:50,726 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_32_bad.i [2023-11-24 22:12:50,761 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/data/4481985fa/2a934fc7619f4c778281263cd74ccc0f/FLAG6d78b9fc6 [2023-11-24 22:12:50,779 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/data/4481985fa/2a934fc7619f4c778281263cd74ccc0f [2023-11-24 22:12:50,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:50,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:50,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:50,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:50,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:50,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:50" (1/1) ... [2023-11-24 22:12:50,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366ab4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50, skipping insertion in model container [2023-11-24 22:12:50,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:50" (1/1) ... [2023-11-24 22:12:50,901 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:52,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:52,945 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:53,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:53,337 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:53,337 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:53,338 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:53,338 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:53,346 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:53,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:53 WrapperNode [2023-11-24 22:12:53,347 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:53,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:53,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:53,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:53,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:53" (1/1) ... [2023-11-24 22:12:53,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:53" (1/1) ... [2023-11-24 22:12:53,437 INFO L138 Inliner]: procedures = 942, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2023-11-24 22:12:53,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:53,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:53,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:53,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:53,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:53" (1/1) ... [2023-11-24 22:12:53,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:53" (1/1) ... [2023-11-24 22:12:53,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:53" (1/1) ... [2023-11-24 22:12:53,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:53" (1/1) ... [2023-11-24 22:12:53,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:53" (1/1) ... [2023-11-24 22:12:53,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:53" (1/1) ... [2023-11-24 22:12:53,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:53" (1/1) ... [2023-11-24 22:12:53,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:53" (1/1) ... [2023-11-24 22:12:53,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:53,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:53,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:53,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:53,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:53" (1/1) ... [2023-11-24 22:12:53,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:53,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:53,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:53,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:12:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:12:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:12:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:12:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:12:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:12:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 22:12:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:12:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:12:53,837 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:53,840 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:56,743 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:56,782 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:56,783 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:12:56,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:56 BoogieIcfgContainer [2023-11-24 22:12:56,785 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:56,786 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:56,786 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:56,797 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:56,797 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:56" (1/1) ... [2023-11-24 22:12:56,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:12:56,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:56,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:12:56,873 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:12:56,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:12:56,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:56,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:56,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:12:56,885 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:12:56,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1450f291-075d-47a8-a7f9-cd78690bb324/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process