./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_54_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC --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 7daf704980f3efccd5e7e6d91c20fb9107bc3b22244b185cbf0dc27809790d15 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:03:46,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:03:46,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:03:46,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:03:46,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:03:46,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:03:46,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:03:46,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:03:46,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:03:46,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:03:46,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:03:46,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:03:46,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:03:46,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:03:46,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:03:46,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:03:46,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:03:46,988 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:03:46,988 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:03:46,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:03:46,989 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:03:46,990 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:03:46,991 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:03:46,991 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:03:46,992 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:03:46,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:46,993 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:03:46,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:03:46,994 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:03:46,994 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:03:46,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:03:46,996 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:03:46,996 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_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7daf704980f3efccd5e7e6d91c20fb9107bc3b22244b185cbf0dc27809790d15 [2023-11-23 20:03:47,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:03:47,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:03:47,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:03:47,270 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:03:47,271 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:03:47,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_54_bad.i [2023-11-23 20:03:50,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:03:50,930 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:03:50,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_54_bad.i [2023-11-23 20:03:50,984 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/data/a8f782d2a/be69b1121ece41fa8db4754af120e013/FLAGf429d916e [2023-11-23 20:03:51,003 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/data/a8f782d2a/be69b1121ece41fa8db4754af120e013 [2023-11-23 20:03:51,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:03:51,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:03:51,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:51,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:03:51,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:03:51,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:51" (1/1) ... [2023-11-23 20:03:51,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4335ba17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:51, skipping insertion in model container [2023-11-23 20:03:51,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:51" (1/1) ... [2023-11-23 20:03:51,119 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:03:51,584 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:03:53,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:53,051 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:03:53,113 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:03:53,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:53,512 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,513 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,513 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,513 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,513 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,513 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:53,521 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:03:53,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53 WrapperNode [2023-11-23 20:03:53,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:53,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:53,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:03:53,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:03:53,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,605 INFO L138 Inliner]: procedures = 942, calls = 68, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 59 [2023-11-23 20:03:53,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:53,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:03:53,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:03:53,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:03:53,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:03:53,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:03:53,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:03:53,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:03:53,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:53" (1/1) ... [2023-11-23 20:03:53,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:53,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:03:53,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:03:53,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:03:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:03:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:03:53,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:03:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:03:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:03:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:03:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:03:53,714 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:03:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:03:53,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:03:53,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:03:53,875 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:03:53,877 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:03:54,039 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:03:54,100 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:03:54,110 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:03:54,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:54 BoogieIcfgContainer [2023-11-23 20:03:54,113 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:03:54,114 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:03:54,114 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:03:54,124 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:03:54,125 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:54" (1/1) ... [2023-11-23 20:03:54,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:03:54,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:54,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-23 20:03:54,187 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-23 20:03:54,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:03:54,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:54,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:54,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:54,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:54,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-23 20:03:54,572 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-23 20:03:54,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:03:54,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:54,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-23 20:04:04,704 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) [2023-11-23 20:04:04,707 INFO L158 Benchmark]: Toolchain (without parser) took 13695.84ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 102.7MB in the beginning and 133.8MB in the end (delta: -31.2MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-11-23 20:04:04,708 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 155.2MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:04:04,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2507.68ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 102.4MB in the beginning and 105.6MB in the end (delta: -3.2MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2023-11-23 20:04:04,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.40ms. Allocated memory is still 188.7MB. Free memory was 105.6MB in the beginning and 101.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:04:04,710 INFO L158 Benchmark]: Boogie Preprocessor took 34.25ms. Allocated memory is still 188.7MB. Free memory was 101.4MB in the beginning and 100.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:04:04,711 INFO L158 Benchmark]: RCFGBuilder took 471.74ms. Allocated memory is still 188.7MB. Free memory was 100.3MB in the beginning and 84.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:04:04,711 INFO L158 Benchmark]: CodeCheck took 10592.63ms. Allocated memory is still 188.7MB. Free memory was 84.6MB in the beginning and 133.8MB in the end (delta: -49.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:04:04,715 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 0.33ms. Allocated memory is still 155.2MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2507.68ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 102.4MB in the beginning and 105.6MB in the end (delta: -3.2MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.40ms. Allocated memory is still 188.7MB. Free memory was 105.6MB in the beginning and 101.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.25ms. Allocated memory is still 188.7MB. Free memory was 101.4MB in the beginning and 100.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.74ms. Allocated memory is still 188.7MB. Free memory was 100.3MB in the beginning and 84.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10592.63ms. Allocated memory is still 188.7MB. Free memory was 84.6MB in the beginning and 133.8MB in the end (delta: -49.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:04:04,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC --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 7daf704980f3efccd5e7e6d91c20fb9107bc3b22244b185cbf0dc27809790d15 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:04:07,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:04:07,393 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:04:07,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:04:07,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:04:07,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:04:07,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:04:07,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:04:07,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:04:07,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:04:07,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:04:07,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:04:07,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:04:07,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:04:07,460 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:04:07,461 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:04:07,461 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:04:07,462 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:04:07,462 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:04:07,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:04:07,464 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:04:07,465 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:04:07,465 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:04:07,466 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:04:07,466 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:04:07,467 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:04:07,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:04:07,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:04:07,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:04:07,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:04:07,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:04:07,471 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:04:07,471 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:04:07,471 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:04:07,472 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:04:07,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:04:07,472 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_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7daf704980f3efccd5e7e6d91c20fb9107bc3b22244b185cbf0dc27809790d15 [2023-11-23 20:04:07,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:04:07,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:04:07,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:04:07,975 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:04:07,976 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:04:07,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_54_bad.i [2023-11-23 20:04:11,104 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:04:11,592 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:04:11,593 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_54_bad.i [2023-11-23 20:04:11,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/data/5c0c55c3b/b5035acaef7041a0ae333f85239fca35/FLAGb253b457a [2023-11-23 20:04:11,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/data/5c0c55c3b/b5035acaef7041a0ae333f85239fca35 [2023-11-23 20:04:11,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:04:11,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:04:11,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:04:11,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:04:11,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:04:11,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:11" (1/1) ... [2023-11-23 20:04:11,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2219dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:11, skipping insertion in model container [2023-11-23 20:04:11,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:04:11" (1/1) ... [2023-11-23 20:04:11,756 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:04:12,225 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:04:13,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:04:13,330 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:04:13,366 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:04:13,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:04:13,799 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:04:13,799 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:04:13,799 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:04:13,800 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:04:13,800 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:04:13,800 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:04:13,808 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:04:13,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:13 WrapperNode [2023-11-23 20:04:13,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:04:13,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:04:13,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:04:13,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:04:13,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:13" (1/1) ... [2023-11-23 20:04:13,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:13" (1/1) ... [2023-11-23 20:04:13,895 INFO L138 Inliner]: procedures = 947, calls = 68, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 58 [2023-11-23 20:04:13,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:04:13,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:04:13,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:04:13,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:04:13,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:13" (1/1) ... [2023-11-23 20:04:13,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:13" (1/1) ... [2023-11-23 20:04:13,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:13" (1/1) ... [2023-11-23 20:04:13,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:13" (1/1) ... [2023-11-23 20:04:13,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:13" (1/1) ... [2023-11-23 20:04:13,924 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:13" (1/1) ... [2023-11-23 20:04:13,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:13" (1/1) ... [2023-11-23 20:04:13,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:13" (1/1) ... [2023-11-23 20:04:13,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:04:13,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:04:13,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:04:13,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:04:13,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:04:13" (1/1) ... [2023-11-23 20:04:13,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:04:13,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:04:13,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:04:13,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:04:14,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:04:14,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:04:14,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:04:14,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:04:14,024 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:04:14,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 20:04:14,024 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:04:14,024 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:04:14,024 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:04:14,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:04:14,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:04:14,197 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:04:14,199 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:04:17,160 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:04:17,206 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:04:17,215 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:04:17,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:17 BoogieIcfgContainer [2023-11-23 20:04:17,217 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:04:17,218 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:04:17,218 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:04:17,227 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:04:17,229 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:04:17" (1/1) ... [2023-11-23 20:04:17,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:04:17,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:17,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-23 20:04:17,297 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-23 20:04:17,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:04:17,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:17,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:04:17,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:04:17,305 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:04:17,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14967099-8b05-4d48-b78b-e5e432efd8eb/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process