./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_04_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_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/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_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/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_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/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 0f025c455ee5441af33a781ef03398e617c1f019ef5915feef6328738a04a7db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:58:03,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:58:03,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:58:03,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:58:03,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:58:03,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:58:03,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:58:03,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:58:03,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:58:03,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:58:03,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:58:03,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:58:03,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:58:03,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:58:03,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:58:03,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:58:03,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:58:03,627 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:58:03,628 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:58:03,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:58:03,629 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:58:03,631 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:58:03,631 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:58:03,632 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:58:03,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:58:03,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:03,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:58:03,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:58:03,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:58:03,635 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:58:03,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:58:03,636 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:58:03,637 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_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f025c455ee5441af33a781ef03398e617c1f019ef5915feef6328738a04a7db [2023-11-19 02:58:03,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:58:03,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:58:03,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:58:03,959 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:58:03,959 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:58:03,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_04_bad.i [2023-11-19 02:58:07,101 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:58:07,573 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:58:07,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_04_bad.i [2023-11-19 02:58:07,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/data/3afdbf809/ed690acaf1f8454a82083ff4a9acb0ef/FLAGb029e4119 [2023-11-19 02:58:07,631 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/data/3afdbf809/ed690acaf1f8454a82083ff4a9acb0ef [2023-11-19 02:58:07,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:58:07,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:58:07,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:07,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:58:07,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:58:07,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:07" (1/1) ... [2023-11-19 02:58:07,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1ab83d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:07, skipping insertion in model container [2023-11-19 02:58:07,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:07" (1/1) ... [2023-11-19 02:58:07,764 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:08,226 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:58:09,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:09,341 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:58:09,364 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:58:09,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:09,845 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:09,846 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:09,846 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:09,846 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:09,846 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:09,847 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:09,854 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:58:09,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:09 WrapperNode [2023-11-19 02:58:09,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:09,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:09,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:58:09,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:58:09,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:09" (1/1) ... [2023-11-19 02:58:09,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:09" (1/1) ... [2023-11-19 02:58:09,940 INFO L138 Inliner]: procedures = 938, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-11-19 02:58:09,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:09,942 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:58:09,942 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:58:09,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:58:09,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:09" (1/1) ... [2023-11-19 02:58:09,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:09" (1/1) ... [2023-11-19 02:58:09,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:09" (1/1) ... [2023-11-19 02:58:09,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:09" (1/1) ... [2023-11-19 02:58:09,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:09" (1/1) ... [2023-11-19 02:58:09,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:09" (1/1) ... [2023-11-19 02:58:09,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:09" (1/1) ... [2023-11-19 02:58:09,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:09" (1/1) ... [2023-11-19 02:58:09,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:58:09,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:58:09,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:58:09,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:58:09,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:09" (1/1) ... [2023-11-19 02:58:09,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:10,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:58:10,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:58:10,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:58:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:58:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:58:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:58:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:58:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:58:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 02:58:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:58:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:58:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:58:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 02:58:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:58:10,285 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:58:10,287 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:10,495 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:10,532 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:10,532 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:58:10,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:10 BoogieIcfgContainer [2023-11-19 02:58:10,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:58:10,538 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:58:10,538 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:58:10,548 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:58:10,548 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:10" (1/1) ... [2023-11-19 02:58:10,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:58:10,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:10,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-19 02:58:10,616 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-19 02:58:10,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:58:10,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:10,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:10,849 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 02:58:10,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:10,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 02:58:10,870 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 02:58:10,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:58:10,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:10,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:10,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:58:10,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:11,024 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 02:58:11,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:11,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 25 transitions. [2023-11-19 02:58:11,068 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-19 02:58:11,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:58:11,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:11,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 02:58:21,176 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 02:58:21,180 INFO L158 Benchmark]: Toolchain (without parser) took 13540.95ms. Allocated memory is still 184.5MB. Free memory was 135.0MB in the beginning and 115.6MB in the end (delta: 19.4MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2023-11-19 02:58:21,181 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 132.1MB. Free memory was 78.0MB in the beginning and 78.0MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:21,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2211.15ms. Allocated memory is still 184.5MB. Free memory was 134.5MB in the beginning and 95.4MB in the end (delta: 39.1MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2023-11-19 02:58:21,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.97ms. Allocated memory is still 184.5MB. Free memory was 95.4MB in the beginning and 91.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:58:21,183 INFO L158 Benchmark]: Boogie Preprocessor took 38.10ms. Allocated memory is still 184.5MB. Free memory was 91.3MB in the beginning and 90.3MB in the end (delta: 996.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:21,183 INFO L158 Benchmark]: RCFGBuilder took 556.75ms. Allocated memory is still 184.5MB. Free memory was 90.3MB in the beginning and 142.0MB in the end (delta: -51.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:58:21,184 INFO L158 Benchmark]: CodeCheck took 10640.58ms. Allocated memory is still 184.5MB. Free memory was 142.0MB in the beginning and 115.6MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 02:58:21,188 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 0.26ms. Allocated memory is still 132.1MB. Free memory was 78.0MB in the beginning and 78.0MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2211.15ms. Allocated memory is still 184.5MB. Free memory was 134.5MB in the beginning and 95.4MB in the end (delta: 39.1MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.97ms. Allocated memory is still 184.5MB. Free memory was 95.4MB in the beginning and 91.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.10ms. Allocated memory is still 184.5MB. Free memory was 91.3MB in the beginning and 90.3MB in the end (delta: 996.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 556.75ms. Allocated memory is still 184.5MB. Free memory was 90.3MB in the beginning and 142.0MB in the end (delta: -51.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10640.58ms. Allocated memory is still 184.5MB. Free memory was 142.0MB in the beginning and 115.6MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:58:21,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/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_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/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_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/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_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/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 0f025c455ee5441af33a781ef03398e617c1f019ef5915feef6328738a04a7db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:58:23,772 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:58:23,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 02:58:23,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:58:23,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:58:23,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:58:23,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:58:23,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:58:23,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:58:23,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:58:23,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:58:23,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:58:23,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:58:23,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:58:23,947 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:58:23,947 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:58:23,948 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:58:23,948 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:58:23,948 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:58:23,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:58:23,950 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:58:23,951 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:58:23,951 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:58:23,952 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:58:23,952 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:58:23,952 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:58:23,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:58:23,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:23,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:58:23,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:58:23,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:58:23,956 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:58:23,956 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:58:23,956 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:58:23,957 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:58:23,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:58:23,957 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_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f025c455ee5441af33a781ef03398e617c1f019ef5915feef6328738a04a7db [2023-11-19 02:58:24,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:58:24,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:58:24,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:58:24,401 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:58:24,402 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:58:24,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_04_bad.i [2023-11-19 02:58:27,588 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:58:28,119 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:58:28,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_04_bad.i [2023-11-19 02:58:28,154 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/data/a8ddd5695/6c696642423b4e828e0b2351dd37e3a9/FLAG7c32ea9ed [2023-11-19 02:58:28,173 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/data/a8ddd5695/6c696642423b4e828e0b2351dd37e3a9 [2023-11-19 02:58:28,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:58:28,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:58:28,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:28,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:58:28,190 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:58:28,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:28" (1/1) ... [2023-11-19 02:58:28,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697beb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:28, skipping insertion in model container [2023-11-19 02:58:28,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:28" (1/1) ... [2023-11-19 02:58:28,288 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:28,721 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:58:29,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:29,683 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:58:29,705 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:58:29,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:30,280 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:30,281 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:30,281 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:30,281 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:30,282 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:30,282 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:30,291 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:58:30,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:30 WrapperNode [2023-11-19 02:58:30,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:30,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:30,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:58:30,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:58:30,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:30" (1/1) ... [2023-11-19 02:58:30,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:30" (1/1) ... [2023-11-19 02:58:30,387 INFO L138 Inliner]: procedures = 943, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-11-19 02:58:30,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:30,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:58:30,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:58:30,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:58:30,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:30" (1/1) ... [2023-11-19 02:58:30,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:30" (1/1) ... [2023-11-19 02:58:30,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:30" (1/1) ... [2023-11-19 02:58:30,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:30" (1/1) ... [2023-11-19 02:58:30,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:30" (1/1) ... [2023-11-19 02:58:30,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:30" (1/1) ... [2023-11-19 02:58:30,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:30" (1/1) ... [2023-11-19 02:58:30,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:30" (1/1) ... [2023-11-19 02:58:30,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:58:30,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:58:30,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:58:30,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:58:30,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:30" (1/1) ... [2023-11-19 02:58:30,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:30,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:58:30,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:58:30,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:58:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:58:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:58:30,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:58:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:58:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:58:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 02:58:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 02:58:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:58:30,580 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:58:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:58:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:58:30,765 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:58:30,767 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:32,687 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:32,735 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:32,736 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:58:32,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:32 BoogieIcfgContainer [2023-11-19 02:58:32,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:58:32,756 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:58:32,756 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:58:32,769 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:58:32,769 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:32" (1/1) ... [2023-11-19 02:58:32,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:58:32,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:32,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-19 02:58:32,839 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-19 02:58:32,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:58:32,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:32,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:58:32,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:58:32,851 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:58:32,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:58:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:33,054 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:58:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:33,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:58:33,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:33,177 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 02:58:33,180 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:58:33,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:58:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:33,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-19 02:58:33,250 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-19 02:58:33,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:58:33,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:33,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:58:33,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:58:33,253 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:58:33,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5afbe9-432d-4be1-a75b-5caaeab07ffa/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process