./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bb584eace91f708c9fb258b07d507c0a924e97c536b21d9ed6e9b1c7216f7aaa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:29:40,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:29:41,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:29:41,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:29:41,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:29:41,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:29:41,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:29:41,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:29:41,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:29:41,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:29:41,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:29:41,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:29:41,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:29:41,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:29:41,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:29:41,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:29:41,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:29:41,039 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:29:41,039 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:29:41,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:29:41,040 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:29:41,041 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:29:41,041 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:29:41,042 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:29:41,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:29:41,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:41,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:29:41,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:29:41,044 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:29:41,044 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:29:41,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:29:41,045 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:29:41,045 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_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb584eace91f708c9fb258b07d507c0a924e97c536b21d9ed6e9b1c7216f7aaa [2023-11-23 20:29:41,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:29:41,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:29:41,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:29:41,303 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:29:41,304 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:29:41,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_42_bad.i [2023-11-23 20:29:44,437 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:29:44,921 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:29:44,922 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_42_bad.i [2023-11-23 20:29:44,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/data/01eb455b9/ca73f1827f104f88b65982e645794ec5/FLAGa64cd205d [2023-11-23 20:29:44,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/data/01eb455b9/ca73f1827f104f88b65982e645794ec5 [2023-11-23 20:29:44,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:29:44,986 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:29:44,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:44,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:29:44,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:29:44,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:44" (1/1) ... [2023-11-23 20:29:44,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2702f31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:44, skipping insertion in model container [2023-11-23 20:29:44,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:44" (1/1) ... [2023-11-23 20:29:45,089 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:29:45,581 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:29:46,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:46,853 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:29:46,880 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:29:46,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:47,444 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:47,444 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:47,445 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:47,445 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:47,445 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:47,445 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:47,453 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:29:47,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:47 WrapperNode [2023-11-23 20:29:47,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:47,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:47,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:29:47,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:29:47,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:47" (1/1) ... [2023-11-23 20:29:47,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:47" (1/1) ... [2023-11-23 20:29:47,578 INFO L138 Inliner]: procedures = 939, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2023-11-23 20:29:47,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:47,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:29:47,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:29:47,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:29:47,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:47" (1/1) ... [2023-11-23 20:29:47,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:47" (1/1) ... [2023-11-23 20:29:47,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:47" (1/1) ... [2023-11-23 20:29:47,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:47" (1/1) ... [2023-11-23 20:29:47,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:47" (1/1) ... [2023-11-23 20:29:47,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:47" (1/1) ... [2023-11-23 20:29:47,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:47" (1/1) ... [2023-11-23 20:29:47,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:47" (1/1) ... [2023-11-23 20:29:47,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:29:47,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:29:47,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:29:47,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:29:47,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:47" (1/1) ... [2023-11-23 20:29:47,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:47,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:29:47,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:29:47,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:29:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:29:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:29:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:29:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:29:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:29:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:29:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:29:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:29:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:29:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:29:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:29:47,902 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:29:47,904 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:29:48,027 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:29:48,076 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:29:48,076 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:29:48,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:48 BoogieIcfgContainer [2023-11-23 20:29:48,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:29:48,079 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:29:48,079 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:29:48,098 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:29:48,098 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:48" (1/1) ... [2023-11-23 20:29:48,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:29:48,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:48,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-23 20:29:48,162 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-23 20:29:48,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:29:48,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:48,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:48,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:48,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:48,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-23 20:29:48,415 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-23 20:29:48,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:29:48,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:48,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-23 20:29:58,590 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:29:58,594 INFO L158 Benchmark]: Toolchain (without parser) took 13606.71ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 88.7MB in the beginning and 97.1MB in the end (delta: -8.4MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-11-23 20:29:58,594 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:29:58,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2465.96ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 88.7MB in the beginning and 67.4MB in the end (delta: 21.3MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2023-11-23 20:29:58,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.76ms. Allocated memory is still 155.2MB. Free memory was 67.4MB in the beginning and 63.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:29:58,598 INFO L158 Benchmark]: Boogie Preprocessor took 67.85ms. Allocated memory is still 155.2MB. Free memory was 63.2MB in the beginning and 61.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:29:58,598 INFO L158 Benchmark]: RCFGBuilder took 430.17ms. Allocated memory is still 155.2MB. Free memory was 61.1MB in the beginning and 46.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:29:58,600 INFO L158 Benchmark]: CodeCheck took 10513.46ms. Allocated memory is still 155.2MB. Free memory was 46.5MB in the beginning and 97.1MB in the end (delta: -50.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:29:58,608 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2465.96ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 88.7MB in the beginning and 67.4MB in the end (delta: 21.3MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.76ms. Allocated memory is still 155.2MB. Free memory was 67.4MB in the beginning and 63.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.85ms. Allocated memory is still 155.2MB. Free memory was 63.2MB in the beginning and 61.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 430.17ms. Allocated memory is still 155.2MB. Free memory was 61.1MB in the beginning and 46.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10513.46ms. Allocated memory is still 155.2MB. Free memory was 46.5MB in the beginning and 97.1MB in the end (delta: -50.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:29:58,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/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_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bb584eace91f708c9fb258b07d507c0a924e97c536b21d9ed6e9b1c7216f7aaa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:30:01,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:30:01,471 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:30:01,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:30:01,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:30:01,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:30:01,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:30:01,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:30:01,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:30:01,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:30:01,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:30:01,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:30:01,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:30:01,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:30:01,533 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:30:01,534 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:30:01,534 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:30:01,535 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:30:01,535 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:30:01,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:30:01,536 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:30:01,537 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:30:01,537 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:30:01,538 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:30:01,538 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:01,539 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:30:01,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:30:01,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:01,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:30:01,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:30:01,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:30:01,542 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:30:01,542 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:01,543 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:30:01,543 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:30:01,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:30:01,543 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_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb584eace91f708c9fb258b07d507c0a924e97c536b21d9ed6e9b1c7216f7aaa [2023-11-23 20:30:01,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:30:01,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:30:01,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:30:01,958 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:30:01,958 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:30:01,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_42_bad.i [2023-11-23 20:30:05,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:30:05,620 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:30:05,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_42_bad.i [2023-11-23 20:30:05,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/data/96b77dd98/c5b9ee91baf44f2082149b1217ad8055/FLAG915ae446f [2023-11-23 20:30:05,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/data/96b77dd98/c5b9ee91baf44f2082149b1217ad8055 [2023-11-23 20:30:05,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:30:05,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:30:05,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:05,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:30:05,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:30:05,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:05" (1/1) ... [2023-11-23 20:30:05,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5179140a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:05, skipping insertion in model container [2023-11-23 20:30:05,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:05" (1/1) ... [2023-11-23 20:30:05,749 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:30:06,306 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:30:07,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:07,587 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:30:07,607 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:30:07,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:07,943 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:07,943 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:07,943 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:07,943 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:07,944 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:07,944 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:07,952 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:30:07,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07 WrapperNode [2023-11-23 20:30:07,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:07,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:07,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:30:07,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:30:07,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:08,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:08,060 INFO L138 Inliner]: procedures = 944, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2023-11-23 20:30:08,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:08,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:30:08,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:30:08,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:30:08,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:08,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:08,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:08,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:08,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:08,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:08,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:08,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:08,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:30:08,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:30:08,102 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:30:08,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:30:08,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:07" (1/1) ... [2023-11-23 20:30:08,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:08,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:30:08,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:30:08,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:30:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:30:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:30:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:30:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:30:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:30:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 20:30:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:30:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:30:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:30:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:30:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:30:08,348 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:30:08,350 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:30:10,538 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:30:10,580 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:30:10,581 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:30:10,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:10 BoogieIcfgContainer [2023-11-23 20:30:10,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:30:10,583 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:30:10,583 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:30:10,593 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:30:10,594 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:10" (1/1) ... [2023-11-23 20:30:10,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:30:10,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:10,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-23 20:30:10,661 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-23 20:30:10,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:30:10,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:10,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:30:10,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:30:10,672 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:30:10,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f834e19b-2f8c-4808-93fa-37da01ce2ed8/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process