./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_51_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_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/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_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/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_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/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 c6f6eee46c0bc3218b589e338f5155468d4a839ec83437582ae928b3b500fe46 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:38,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:38,510 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:58:38,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:58:38,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:58:38,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:38,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:38,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:38,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:38,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:38,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:38,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:38,579 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:58:38,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:38,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:38,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:38,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:38,583 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:58:38,584 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:58:38,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:38,585 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:38,586 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:38,586 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:38,588 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:38,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:38,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:38,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:38,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:38,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:38,592 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:58:38,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:58:38,595 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:38,595 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_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6f6eee46c0bc3218b589e338f5155468d4a839ec83437582ae928b3b500fe46 [2023-11-19 03:58:38,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:39,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:39,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:39,008 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:39,009 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:39,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_51_bad.i [2023-11-19 03:58:42,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:42,901 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:42,904 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_51_bad.i [2023-11-19 03:58:42,951 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/data/bfebe8252/3069ef2dfbc44dcaaaeccce77d23aad6/FLAGc664d2d06 [2023-11-19 03:58:42,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/data/bfebe8252/3069ef2dfbc44dcaaaeccce77d23aad6 [2023-11-19 03:58:42,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:42,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:42,986 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:42,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:42,992 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:42,993 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:42" (1/1) ... [2023-11-19 03:58:42,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55c6caa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:42, skipping insertion in model container [2023-11-19 03:58:42,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:42" (1/1) ... [2023-11-19 03:58:43,141 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:43,713 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:58:45,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:45,392 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:45,421 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:58:45,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:45,972 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:45,972 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:45,973 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:45,973 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:45,973 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:45,973 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:45,981 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:45,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45 WrapperNode [2023-11-19 03:58:45,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:45,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:45,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:45,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:45,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:46,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:46,084 INFO L138 Inliner]: procedures = 939, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 54 [2023-11-19 03:58:46,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:46,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:46,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:46,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:46,096 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:46,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:46,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:46,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:46,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:46,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:46,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:46,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:46,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:46,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:46,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:46,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:46,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:46,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:46,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:46,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:46,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:58:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:58:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:58:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:58:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:58:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:58:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:58:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:58:46,481 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:46,483 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:46,623 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:46,670 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:46,670 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:58:46,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:46 BoogieIcfgContainer [2023-11-19 03:58:46,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:58:46,678 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:58:46,678 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:58:46,691 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:58:46,692 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:46" (1/1) ... [2023-11-19 03:58:46,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:58:46,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:46,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 03:58:46,777 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 03:58:46,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:58:46,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:46,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:47,085 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 03:58:47,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:47,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 03:58:47,141 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 03:58:47,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:58:47,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:47,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 03:58:57,302 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 03:58:57,306 INFO L158 Benchmark]: Toolchain (without parser) took 14323.55ms. Allocated memory was 115.3MB in the beginning and 155.2MB in the end (delta: 39.8MB). Free memory was 75.0MB in the beginning and 77.9MB in the end (delta: -2.9MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2023-11-19 03:58:57,306 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 115.3MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:57,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2996.92ms. Allocated memory was 115.3MB in the beginning and 155.2MB in the end (delta: 39.8MB). Free memory was 74.6MB in the beginning and 117.8MB in the end (delta: -43.2MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2023-11-19 03:58:57,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.69ms. Allocated memory is still 155.2MB. Free memory was 117.8MB in the beginning and 114.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:58:57,309 INFO L158 Benchmark]: Boogie Preprocessor took 42.28ms. Allocated memory is still 155.2MB. Free memory was 114.6MB in the beginning and 112.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:57,310 INFO L158 Benchmark]: RCFGBuilder took 547.88ms. Allocated memory is still 155.2MB. Free memory was 112.5MB in the beginning and 97.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:58:57,311 INFO L158 Benchmark]: CodeCheck took 10626.64ms. Allocated memory is still 155.2MB. Free memory was 97.8MB in the beginning and 77.9MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:58:57,315 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 0.39ms. Allocated memory is still 115.3MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2996.92ms. Allocated memory was 115.3MB in the beginning and 155.2MB in the end (delta: 39.8MB). Free memory was 74.6MB in the beginning and 117.8MB in the end (delta: -43.2MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.69ms. Allocated memory is still 155.2MB. Free memory was 117.8MB in the beginning and 114.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.28ms. Allocated memory is still 155.2MB. Free memory was 114.6MB in the beginning and 112.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 547.88ms. Allocated memory is still 155.2MB. Free memory was 112.5MB in the beginning and 97.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10626.64ms. Allocated memory is still 155.2MB. Free memory was 97.8MB in the beginning and 77.9MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:58:57,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/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_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/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_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/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 c6f6eee46c0bc3218b589e338f5155468d4a839ec83437582ae928b3b500fe46 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:59:00,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:59:00,284 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:59:00,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:59:00,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:59:00,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:59:00,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:59:00,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:59:00,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:59:00,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:59:00,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:59:00,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:59:00,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:59:00,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:59:00,331 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:59:00,332 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:59:00,332 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:59:00,333 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:59:00,333 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:59:00,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:59:00,334 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:59:00,335 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:59:00,336 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:59:00,336 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:59:00,337 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:00,337 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:59:00,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:59:00,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:00,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:59:00,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:59:00,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:59:00,340 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:59:00,341 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:00,341 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:59:00,342 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:59:00,342 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:59:00,343 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_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6f6eee46c0bc3218b589e338f5155468d4a839ec83437582ae928b3b500fe46 [2023-11-19 03:59:00,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:59:00,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:59:00,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:59:00,822 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:59:00,822 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:59:00,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_51_bad.i [2023-11-19 03:59:04,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:04,613 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:04,617 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_51_bad.i [2023-11-19 03:59:04,664 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/data/765a7d323/6adff624245249998441e3c209cd8b6a/FLAG086862771 [2023-11-19 03:59:04,683 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/data/765a7d323/6adff624245249998441e3c209cd8b6a [2023-11-19 03:59:04,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:04,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:04,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:04,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:04,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:04,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:04" (1/1) ... [2023-11-19 03:59:04,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e6095b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:04, skipping insertion in model container [2023-11-19 03:59:04,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:04" (1/1) ... [2023-11-19 03:59:04,833 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:05,351 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:59:06,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:06,604 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:06,641 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:59:06,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:07,022 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:07,023 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:07,023 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:07,023 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:07,023 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:07,023 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:07,032 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:07,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07 WrapperNode [2023-11-19 03:59:07,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:07,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:07,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:07,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:07,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,084 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,117 INFO L138 Inliner]: procedures = 944, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 53 [2023-11-19 03:59:07,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:07,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:07,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:07,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:07,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,150 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:07,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:07,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:07,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:07,163 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07" (1/1) ... [2023-11-19 03:59:07,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:07,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:07,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:07,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:07,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:59:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:59:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:59:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:59:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:59:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:59:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:59:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:59:07,498 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:07,501 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:59:09,713 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:59:09,779 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:59:09,790 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:59:09,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:09 BoogieIcfgContainer [2023-11-19 03:59:09,796 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:59:09,798 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:59:09,798 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:59:09,810 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:59:09,811 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:09" (1/1) ... [2023-11-19 03:59:09,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:59:09,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:09,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 03:59:09,912 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 03:59:09,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:59:09,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:09,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:09,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:59:09,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:59:09,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12f6b4dd-0100-4442-a312-8a3ec4a6c8da/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process