./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_53_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_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/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_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/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_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/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 a066747f03e0fa4043b8e106b89336bb8f19b62c99a321004bd04fdc8b31baf6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:37,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:37,151 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:58:37,165 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:58:37,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:58:37,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:37,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:37,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:37,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:37,223 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:37,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:37,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:37,225 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:58:37,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:37,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:37,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:37,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:37,229 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:58:37,229 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:58:37,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:37,230 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:37,231 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:37,231 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:37,232 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:37,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:37,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:37,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:37,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:37,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:37,235 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:58:37,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:58:37,237 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:37,237 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_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a066747f03e0fa4043b8e106b89336bb8f19b62c99a321004bd04fdc8b31baf6 [2023-11-19 03:58:37,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:37,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:37,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:37,565 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:37,565 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:37,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_53_bad.i [2023-11-19 03:58:40,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:41,375 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:41,376 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_53_bad.i [2023-11-19 03:58:41,409 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/data/568c8ba97/058698bb485a4aeba3e70dd5d532ad4b/FLAGff34dbd9a [2023-11-19 03:58:41,425 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/data/568c8ba97/058698bb485a4aeba3e70dd5d532ad4b [2023-11-19 03:58:41,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:41,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:41,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:41,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:41,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:41,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:41" (1/1) ... [2023-11-19 03:58:41,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19868a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:41, skipping insertion in model container [2023-11-19 03:58:41,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:41" (1/1) ... [2023-11-19 03:58:41,559 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:42,138 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:58:43,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:43,739 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:43,779 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:58:43,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:44,318 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:44,318 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:44,318 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:44,318 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:44,318 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:44,319 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:44,325 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:44,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44 WrapperNode [2023-11-19 03:58:44,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:44,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:44,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:44,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:44,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,417 INFO L138 Inliner]: procedures = 941, calls = 67, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 58 [2023-11-19 03:58:44,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:44,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:44,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:44,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:44,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,451 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:44,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:44,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:44,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:44,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:44,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:44,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:44,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:44,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:44,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:44,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:58:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:58:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:58:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:58:44,555 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:58:44,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:58:44,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:58:44,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:58:44,731 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:44,734 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:44,881 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:44,938 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:44,938 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:58:44,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:44 BoogieIcfgContainer [2023-11-19 03:58:44,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:58:44,955 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:58:44,956 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:58:44,967 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:58:44,967 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:58:45,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:45,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 03:58:45,029 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 03:58:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:58:45,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:45,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:45,273 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 03:58:45,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:45,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 03:58:45,297 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 03:58:45,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:58:45,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:45,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 03:58:55,461 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 03:58:55,465 INFO L158 Benchmark]: Toolchain (without parser) took 14034.31ms. Allocated memory is still 184.5MB. Free memory was 140.3MB in the beginning and 116.4MB in the end (delta: 23.9MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-11-19 03:58:55,466 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 115.3MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:55,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2894.21ms. Allocated memory is still 184.5MB. Free memory was 140.3MB in the beginning and 78.5MB in the end (delta: 61.8MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. [2023-11-19 03:58:55,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.76ms. Allocated memory is still 184.5MB. Free memory was 78.5MB in the beginning and 74.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:58:55,469 INFO L158 Benchmark]: Boogie Preprocessor took 53.64ms. Allocated memory is still 184.5MB. Free memory was 74.3MB in the beginning and 152.6MB in the end (delta: -78.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:58:55,473 INFO L158 Benchmark]: RCFGBuilder took 480.84ms. Allocated memory is still 184.5MB. Free memory was 152.6MB in the beginning and 136.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:58:55,475 INFO L158 Benchmark]: CodeCheck took 10508.71ms. Allocated memory is still 184.5MB. Free memory was 136.9MB in the beginning and 116.4MB in the end (delta: 20.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:58:55,482 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 0.34ms. Allocated memory is still 115.3MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2894.21ms. Allocated memory is still 184.5MB. Free memory was 140.3MB in the beginning and 78.5MB in the end (delta: 61.8MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.76ms. Allocated memory is still 184.5MB. Free memory was 78.5MB in the beginning and 74.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.64ms. Allocated memory is still 184.5MB. Free memory was 74.3MB in the beginning and 152.6MB in the end (delta: -78.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 480.84ms. Allocated memory is still 184.5MB. Free memory was 152.6MB in the beginning and 136.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10508.71ms. Allocated memory is still 184.5MB. Free memory was 136.9MB in the beginning and 116.4MB in the end (delta: 20.5MB). 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 03:58:55,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/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_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/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_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/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 a066747f03e0fa4043b8e106b89336bb8f19b62c99a321004bd04fdc8b31baf6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:58,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:58,955 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:58:59,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:59,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:59,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:59,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:59,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:59,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:59,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:59,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:59,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:59,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:59,044 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:59,044 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:58:59,045 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:58:59,045 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:58:59,046 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:58:59,046 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:58:59,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:59,047 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:59,049 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:59,049 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:59,050 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:59,050 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:59,051 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:58:59,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:59,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:59,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:59,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:59,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:59,055 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:58:59,055 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:59,055 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:59,056 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:58:59,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:58:59,056 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_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a066747f03e0fa4043b8e106b89336bb8f19b62c99a321004bd04fdc8b31baf6 [2023-11-19 03:58:59,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:59,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:59,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:59,609 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:59,612 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:59,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_53_bad.i [2023-11-19 03:59:03,446 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:04,119 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:04,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_53_bad.i [2023-11-19 03:59:04,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/data/2da8cf7f5/51ab4f69fe4446a1be90bfdef55514de/FLAGfb0c36ef1 [2023-11-19 03:59:04,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/data/2da8cf7f5/51ab4f69fe4446a1be90bfdef55514de [2023-11-19 03:59:04,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:04,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:04,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:04,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:04,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:04,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:04" (1/1) ... [2023-11-19 03:59:04,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@259edadf 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 03:59:04,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:04" (1/1) ... [2023-11-19 03:59:04,344 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:04,996 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:59:06,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:06,390 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:06,422 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:59:06,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:07,061 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:07,061 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:07,061 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:07,061 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:07,061 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:07,062 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:07,070 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:07,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:07 WrapperNode [2023-11-19 03:59:07,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:07,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:07,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:07,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:07,082 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 03:59:07,144 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 03:59:07,185 INFO L138 Inliner]: procedures = 946, calls = 67, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 57 [2023-11-19 03:59:07,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:07,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:07,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:07,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:07,199 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 03:59:07,199 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 03:59:07,218 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 03:59:07,218 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 03:59:07,231 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 03:59:07,234 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 03:59:07,238 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 03:59:07,241 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 03:59:07,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:07,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:07,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:07,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:07,250 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 03:59:07,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:07,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:07,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:07,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:59:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:59:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:59:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:59:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:59:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:59:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:59:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:59:07,646 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:07,649 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:59:08,904 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:59:08,954 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:59:08,954 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:59:08,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:08 BoogieIcfgContainer [2023-11-19 03:59:08,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:59:08,962 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:59:08,962 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:59:08,975 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:59:08,975 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:08" (1/1) ... [2023-11-19 03:59:08,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:59:09,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:09,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 03:59:09,067 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 03:59:09,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:59:09,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:09,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:09,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:59:09,077 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:59:09,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8596b46e-3bf6-40fe-a9b3-5f78b626cc3f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process