./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/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_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/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_c84564cc-9218-423d-aeb1-cd664a82da07/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 600ea9758929cea5cc6c3604ff8aab9d74df31565d48a3e42be9c13c5a97fcc2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:30:07,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:30:07,423 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:30:07,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:30:07,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:30:07,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:30:07,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:30:07,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:30:07,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:30:07,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:30:07,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:30:07,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:30:07,483 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:30:07,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:30:07,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:30:07,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:30:07,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:30:07,485 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:30:07,486 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:30:07,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:30:07,487 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:30:07,488 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:30:07,488 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:30:07,489 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:30:07,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:30:07,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:07,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:30:07,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:30:07,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:30:07,492 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:30:07,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:30:07,493 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:30:07,494 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_c84564cc-9218-423d-aeb1-cd664a82da07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 600ea9758929cea5cc6c3604ff8aab9d74df31565d48a3e42be9c13c5a97fcc2 [2023-11-19 03:30:07,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:30:07,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:30:07,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:30:07,795 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:30:07,796 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:30:07,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_31_bad.i [2023-11-19 03:30:10,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:30:11,489 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:30:11,491 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_31_bad.i [2023-11-19 03:30:11,526 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/data/fab581b90/064efc8b6b9b4f879425473e54abf243/FLAG30a803357 [2023-11-19 03:30:11,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/data/fab581b90/064efc8b6b9b4f879425473e54abf243 [2023-11-19 03:30:11,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:30:11,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:30:11,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:11,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:30:11,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:30:11,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:11" (1/1) ... [2023-11-19 03:30:11,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5626b1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:11, skipping insertion in model container [2023-11-19 03:30:11,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:11" (1/1) ... [2023-11-19 03:30:11,655 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:30:12,146 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:30:13,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:13,532 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:30:13,554 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:30:13,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:13,911 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:13,912 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:13,912 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:13,912 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:13,912 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:13,912 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:13,919 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:30:13,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:13 WrapperNode [2023-11-19 03:30:13,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:13,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:13,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:30:13,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:30:13,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:13" (1/1) ... [2023-11-19 03:30:13,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:13" (1/1) ... [2023-11-19 03:30:14,038 INFO L138 Inliner]: procedures = 938, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-11-19 03:30:14,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:14,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:30:14,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:30:14,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:30:14,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:13" (1/1) ... [2023-11-19 03:30:14,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:13" (1/1) ... [2023-11-19 03:30:14,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:13" (1/1) ... [2023-11-19 03:30:14,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:13" (1/1) ... [2023-11-19 03:30:14,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:13" (1/1) ... [2023-11-19 03:30:14,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:13" (1/1) ... [2023-11-19 03:30:14,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:13" (1/1) ... [2023-11-19 03:30:14,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:13" (1/1) ... [2023-11-19 03:30:14,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:30:14,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:30:14,084 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:30:14,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:30:14,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:13" (1/1) ... [2023-11-19 03:30:14,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:14,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:30:14,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:30:14,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:30:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:30:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:30:14,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:30:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:30:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:30:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:30:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:30:14,158 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:30:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:30:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:30:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:30:14,319 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:30:14,322 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:30:14,455 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:30:14,490 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:30:14,491 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:30:14,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:14 BoogieIcfgContainer [2023-11-19 03:30:14,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:30:14,496 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:30:14,496 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:30:14,506 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:30:14,507 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:14" (1/1) ... [2023-11-19 03:30:14,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:30:14,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:14,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 03:30:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 03:30:14,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:30:14,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:14,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:30:14,874 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 03:30:14,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:14,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 03:30:14,900 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 03:30:14,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:30:14,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:14,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:30:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 03:30:25,042 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 03:30:25,046 INFO L158 Benchmark]: Toolchain (without parser) took 13492.70ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 99.9MB in the beginning and 69.7MB in the end (delta: 30.2MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2023-11-19 03:30:25,046 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 136.3MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:30:25,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2365.25ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 99.5MB in the beginning and 111.0MB in the end (delta: -11.5MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2023-11-19 03:30:25,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.96ms. Allocated memory is still 178.3MB. Free memory was 111.0MB in the beginning and 106.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:30:25,049 INFO L158 Benchmark]: Boogie Preprocessor took 42.25ms. Allocated memory is still 178.3MB. Free memory was 106.8MB in the beginning and 105.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:30:25,049 INFO L158 Benchmark]: RCFGBuilder took 411.93ms. Allocated memory is still 178.3MB. Free memory was 105.8MB in the beginning and 89.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:30:25,050 INFO L158 Benchmark]: CodeCheck took 10548.33ms. Allocated memory is still 178.3MB. Free memory was 89.0MB in the beginning and 69.7MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:30:25,054 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 136.3MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2365.25ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 99.5MB in the beginning and 111.0MB in the end (delta: -11.5MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.96ms. Allocated memory is still 178.3MB. Free memory was 111.0MB in the beginning and 106.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.25ms. Allocated memory is still 178.3MB. Free memory was 106.8MB in the beginning and 105.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.93ms. Allocated memory is still 178.3MB. Free memory was 105.8MB in the beginning and 89.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10548.33ms. Allocated memory is still 178.3MB. Free memory was 89.0MB in the beginning and 69.7MB in the end (delta: 19.3MB). 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 03:30:25,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/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_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/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_c84564cc-9218-423d-aeb1-cd664a82da07/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 600ea9758929cea5cc6c3604ff8aab9d74df31565d48a3e42be9c13c5a97fcc2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:30:27,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:30:27,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:30:28,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:30:28,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:30:28,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:30:28,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:30:28,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:30:28,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:30:28,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:30:28,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:30:28,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:30:28,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:30:28,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:30:28,017 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:30:28,018 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:30:28,018 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:30:28,019 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:30:28,019 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:30:28,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:30:28,020 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:30:28,021 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:30:28,021 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:30:28,022 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:30:28,022 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:30:28,023 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:30:28,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:30:28,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:28,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:30:28,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:30:28,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:30:28,026 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:30:28,026 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:30:28,027 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:30:28,027 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:30:28,027 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:30:28,027 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_c84564cc-9218-423d-aeb1-cd664a82da07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 600ea9758929cea5cc6c3604ff8aab9d74df31565d48a3e42be9c13c5a97fcc2 [2023-11-19 03:30:28,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:30:28,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:30:28,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:30:28,506 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:30:28,506 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:30:28,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_31_bad.i [2023-11-19 03:30:31,682 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:30:32,139 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:30:32,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_31_bad.i [2023-11-19 03:30:32,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/data/6e1355336/148ed52901bd45fb8b8e833445f14efe/FLAGf2df282a2 [2023-11-19 03:30:32,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/data/6e1355336/148ed52901bd45fb8b8e833445f14efe [2023-11-19 03:30:32,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:30:32,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:30:32,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:32,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:30:32,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:30:32,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:32" (1/1) ... [2023-11-19 03:30:32,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a5e697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:32, skipping insertion in model container [2023-11-19 03:30:32,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:32" (1/1) ... [2023-11-19 03:30:32,325 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:30:32,804 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:30:33,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:33,795 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:30:33,816 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:30:33,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:34,180 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:34,180 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:34,180 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:34,180 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:34,180 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:34,181 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:34,188 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:30:34,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34 WrapperNode [2023-11-19 03:30:34,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:34,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:34,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:30:34,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:30:34,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:34,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:34,290 INFO L138 Inliner]: procedures = 943, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-11-19 03:30:34,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:34,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:30:34,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:30:34,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:30:34,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:34,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:34,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:34,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:34,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:34,317 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:34,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:34,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:34,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:30:34,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:30:34,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:30:34,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:30:34,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:34,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:34,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:30:34,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:30:34,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:30:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:30:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:30:34,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:30:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:30:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:30:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:30:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:30:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:30:34,448 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:30:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:30:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:30:34,669 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:30:34,671 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:30:35,291 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:30:35,352 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:30:35,352 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:30:35,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:35 BoogieIcfgContainer [2023-11-19 03:30:35,357 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:30:35,359 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:30:35,359 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:30:35,371 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:30:35,372 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:35" (1/1) ... [2023-11-19 03:30:35,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:30:35,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:35,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 03:30:35,445 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 03:30:35,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:30:35,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:35,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:30:35,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:30:35,456 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:30:35,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c84564cc-9218-423d-aeb1-cd664a82da07/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process