./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL --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 d0bec28414a29f5d94e08ce8b0a09d9bead349efbfc356a0522b9df0355fe2d5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:02:17,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:17,394 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 04:02:17,400 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:02:17,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:02:17,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:17,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:02:17,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:02:17,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:17,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:17,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:17,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:02:17,433 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:02:17,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:17,434 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:02:17,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:17,435 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:02:17,436 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:02:17,436 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:02:17,437 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:02:17,437 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:17,438 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:17,438 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:17,439 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:17,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:17,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:17,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:17,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:17,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:02:17,441 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:02:17,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:02:17,442 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:02:17,442 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_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0bec28414a29f5d94e08ce8b0a09d9bead349efbfc356a0522b9df0355fe2d5 [2023-11-19 04:02:17,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:17,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:17,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:17,723 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:17,723 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:17,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i [2023-11-19 04:02:20,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:21,354 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:21,355 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i [2023-11-19 04:02:21,392 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/data/d50f93e00/9b28ea9d91eb401e833f3475069fb94f/FLAGad2e5a8e0 [2023-11-19 04:02:21,411 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/data/d50f93e00/9b28ea9d91eb401e833f3475069fb94f [2023-11-19 04:02:21,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:21,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:21,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:21,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:21,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:21,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:21" (1/1) ... [2023-11-19 04:02:21,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e16d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:21, skipping insertion in model container [2023-11-19 04:02:21,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:21" (1/1) ... [2023-11-19 04:02:21,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:22,073 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:02:23,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:23,224 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:23,245 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:02:23,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:23,649 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:23,655 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:23,656 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:23,656 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:23,656 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:23,656 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:23,675 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:23,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23 WrapperNode [2023-11-19 04:02:23,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:23,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:23,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:23,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:23,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:23,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:23,807 INFO L138 Inliner]: procedures = 938, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-11-19 04:02:23,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:23,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:23,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:23,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:23,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:23,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:23,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:23,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:23,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:23,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:23,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:23,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:23,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:23,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:23,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:23,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:23,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:23" (1/1) ... [2023-11-19 04:02:23,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:23,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:23,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:23,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:02:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:02:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 04:02:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:02:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:02:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:02:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:02:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:02:24,131 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:24,133 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:24,268 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:24,308 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:24,309 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:02:24,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:24 BoogieIcfgContainer [2023-11-19 04:02:24,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:02:24,315 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:02:24,315 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:02:24,327 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:02:24,327 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:24" (1/1) ... [2023-11-19 04:02:24,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:02:24,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:24,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-19 04:02:24,389 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-19 04:02:24,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:02:24,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:24,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:24,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:24,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:24,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 04:02:24,655 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 04:02:24,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:02:24,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:24,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:24,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:02:24,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:24,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:24,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:24,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 25 transitions. [2023-11-19 04:02:24,912 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-19 04:02:24,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:02:24,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:24,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 04:02:35,023 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 04:02:35,027 INFO L158 Benchmark]: Toolchain (without parser) took 13606.55ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 133.2MB in the beginning and 121.7MB in the end (delta: 11.5MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2023-11-19 04:02:35,027 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:35,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2253.88ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 133.2MB in the beginning and 170.6MB in the end (delta: -37.4MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2023-11-19 04:02:35,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.02ms. Allocated memory is still 213.9MB. Free memory was 170.6MB in the beginning and 166.8MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:02:35,029 INFO L158 Benchmark]: Boogie Preprocessor took 44.96ms. Allocated memory is still 213.9MB. Free memory was 166.8MB in the beginning and 164.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:02:35,030 INFO L158 Benchmark]: RCFGBuilder took 459.19ms. Allocated memory is still 213.9MB. Free memory was 164.7MB in the beginning and 147.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:02:35,031 INFO L158 Benchmark]: CodeCheck took 10710.42ms. Allocated memory is still 213.9MB. Free memory was 147.9MB in the beginning and 121.7MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 04:02:35,035 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2253.88ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 133.2MB in the beginning and 170.6MB in the end (delta: -37.4MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.02ms. Allocated memory is still 213.9MB. Free memory was 170.6MB in the beginning and 166.8MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.96ms. Allocated memory is still 213.9MB. Free memory was 166.8MB in the beginning and 164.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.19ms. Allocated memory is still 213.9MB. Free memory was 164.7MB in the beginning and 147.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10710.42ms. Allocated memory is still 213.9MB. Free memory was 147.9MB in the beginning and 121.7MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:02:35,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/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_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL --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 d0bec28414a29f5d94e08ce8b0a09d9bead349efbfc356a0522b9df0355fe2d5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:02:38,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:38,152 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 04:02:38,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:38,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:02:38,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:02:38,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:38,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:38,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:38,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:02:38,228 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:38,228 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:02:38,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:38,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:02:38,231 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:02:38,232 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:02:38,233 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:02:38,233 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:02:38,234 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:02:38,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:02:38,236 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:38,237 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:38,238 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:38,238 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:38,239 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:02:38,239 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:02:38,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:38,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:38,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:38,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:38,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:02:38,243 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:02:38,244 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:02:38,244 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:02:38,245 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:02:38,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:02:38,246 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_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0bec28414a29f5d94e08ce8b0a09d9bead349efbfc356a0522b9df0355fe2d5 [2023-11-19 04:02:38,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:38,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:38,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:38,825 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:38,827 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:38,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i [2023-11-19 04:02:42,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:42,610 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:42,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i [2023-11-19 04:02:42,652 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/data/a2013cce4/b108032472ca47539e95042d7753f2c6/FLAG952e6b869 [2023-11-19 04:02:42,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/data/a2013cce4/b108032472ca47539e95042d7753f2c6 [2023-11-19 04:02:42,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:42,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:42,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:42,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:42,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:42,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:42" (1/1) ... [2023-11-19 04:02:42,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3359fbd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:42, skipping insertion in model container [2023-11-19 04:02:42,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:42" (1/1) ... [2023-11-19 04:02:42,752 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:43,392 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:02:44,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:44,655 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:44,690 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:02:44,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:45,242 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:45,242 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:45,242 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:45,242 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:45,243 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:45,243 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:45,251 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:45,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:45 WrapperNode [2023-11-19 04:02:45,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:45,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:45,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:45,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:45,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:45" (1/1) ... [2023-11-19 04:02:45,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:45" (1/1) ... [2023-11-19 04:02:45,340 INFO L138 Inliner]: procedures = 943, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-11-19 04:02:45,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:45,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:45,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:45,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:45,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:45" (1/1) ... [2023-11-19 04:02:45,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:45" (1/1) ... [2023-11-19 04:02:45,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:45" (1/1) ... [2023-11-19 04:02:45,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:45" (1/1) ... [2023-11-19 04:02:45,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:45" (1/1) ... [2023-11-19 04:02:45,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:45" (1/1) ... [2023-11-19 04:02:45,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:45" (1/1) ... [2023-11-19 04:02:45,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:45" (1/1) ... [2023-11-19 04:02:45,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:45,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:45,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:45,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:45,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:45" (1/1) ... [2023-11-19 04:02:45,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:45,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:45,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:45,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:02:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:02:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 04:02:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 04:02:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:02:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:02:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:02:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:02:45,687 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:45,690 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:48,760 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:48,808 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:48,814 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:02:48,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:48 BoogieIcfgContainer [2023-11-19 04:02:48,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:02:48,831 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:02:48,831 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:02:48,841 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:02:48,841 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:48" (1/1) ... [2023-11-19 04:02:48,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:02:48,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:48,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-19 04:02:48,916 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-19 04:02:48,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:02:48,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:48,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:02:48,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:02:48,926 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:02:48,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:02:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:49,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:02:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:49,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:02:49,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:49,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:49,196 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:02:49,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:02:49,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:49,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-19 04:02:49,276 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-19 04:02:49,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:02:49,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:49,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:02:49,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:02:49,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:02:49,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809999a5-3a9f-4630-ae56-6a917dbb0560/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process