./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_07_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7fcee65994c10c2cc799db91070a9929fd29a169b89b1d270c2cb0a10b6534e2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:30:52,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:30:52,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:30:52,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:30:52,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:30:52,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:30:52,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:30:52,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:30:52,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:30:52,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:30:52,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:30:52,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:30:52,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:30:52,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:30:52,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:30:52,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:30:52,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:30:52,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:30:52,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:30:52,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:30:52,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:30:52,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:30:52,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:30:52,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:30:52,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:30:52,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:30:52,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:30:52,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:30:52,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:30:52,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:30:52,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:30:52,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:30:52,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:30:52,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:30:52,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:30:52,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:30:52,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:30:52,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:30:52,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:30:52,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:30:52,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:30:52,358 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 09:30:52,398 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:30:52,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:30:52,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:30:52,399 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:30:52,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:30:52,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:30:52,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:30:52,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:30:52,400 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:30:52,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:30:52,401 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 09:30:52,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:30:52,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:30:52,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:30:52,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:30:52,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:30:52,402 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 09:30:52,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:30:52,402 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:30:52,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:30:52,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:30:52,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:30:52,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:30:52,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:30:52,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:30:52,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:30:52,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:30:52,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:30:52,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:30:52,409 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:30:52,409 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:30:52,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:30:52,409 INFO L138 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_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fcee65994c10c2cc799db91070a9929fd29a169b89b1d270c2cb0a10b6534e2 [2022-11-20 09:30:52,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:30:52,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:30:52,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:30:52,700 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:30:52,701 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:30:52,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_07_bad.i [2022-11-20 09:30:55,723 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:30:56,096 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:30:56,097 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_07_bad.i [2022-11-20 09:30:56,116 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/data/34b8059a2/c74dc6d364304444b10fe950d75f6bbc/FLAG67a078926 [2022-11-20 09:30:56,133 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/data/34b8059a2/c74dc6d364304444b10fe950d75f6bbc [2022-11-20 09:30:56,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:30:56,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:30:56,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:30:56,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:30:56,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:30:56,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:30:56" (1/1) ... [2022-11-20 09:30:56,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ce84bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:56, skipping insertion in model container [2022-11-20 09:30:56,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:30:56" (1/1) ... [2022-11-20 09:30:56,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:30:56,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:30:56,594 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 09:30:57,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:30:57,212 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:30:57,263 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 09:30:57,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:30:57,490 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:30:57,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:57 WrapperNode [2022-11-20 09:30:57,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:30:57,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:30:57,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:30:57,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:30:57,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:57" (1/1) ... [2022-11-20 09:30:57,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:57" (1/1) ... [2022-11-20 09:30:57,573 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2022-11-20 09:30:57,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:30:57,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:30:57,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:30:57,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:30:57,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:57" (1/1) ... [2022-11-20 09:30:57,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:57" (1/1) ... [2022-11-20 09:30:57,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:57" (1/1) ... [2022-11-20 09:30:57,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:57" (1/1) ... [2022-11-20 09:30:57,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:57" (1/1) ... [2022-11-20 09:30:57,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:57" (1/1) ... [2022-11-20 09:30:57,619 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:57" (1/1) ... [2022-11-20 09:30:57,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:57" (1/1) ... [2022-11-20 09:30:57,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:30:57,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:30:57,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:30:57,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:30:57,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:57" (1/1) ... [2022-11-20 09:30:57,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:30:57,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:30:57,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:30:57,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:30:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 09:30:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 09:30:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 09:30:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:30:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 09:30:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:30:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:30:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:30:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:30:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 09:30:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:30:57,868 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:30:57,870 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:30:58,009 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:30:58,016 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:30:58,016 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:30:58,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:58 BoogieIcfgContainer [2022-11-20 09:30:58,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:30:58,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:30:58,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:30:58,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:30:58,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:30:56" (1/3) ... [2022-11-20 09:30:58,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332904e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:58, skipping insertion in model container [2022-11-20 09:30:58,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:30:57" (2/3) ... [2022-11-20 09:30:58,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332904e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:58, skipping insertion in model container [2022-11-20 09:30:58,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:58" (3/3) ... [2022-11-20 09:30:58,028 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_07_bad.i [2022-11-20 09:30:58,048 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:30:58,048 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 09:30:58,098 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:30:58,106 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4387bea9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:30:58,106 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 09:30:58,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 09:30:58,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 09:30:58,119 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:58,120 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:58,120 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 09:30:58,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:58,127 INFO L85 PathProgramCache]: Analyzing trace with hash -152054014, now seen corresponding path program 1 times [2022-11-20 09:30:58,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:58,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675636895] [2022-11-20 09:30:58,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:58,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:58,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:30:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:58,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:58,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:58,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675636895] [2022-11-20 09:30:58,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675636895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:58,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:58,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:30:58,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042466350] [2022-11-20 09:30:58,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:58,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:30:58,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:58,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:30:58,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:30:58,496 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:30:58,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:58,523 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2022-11-20 09:30:58,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:30:58,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-20 09:30:58,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:58,533 INFO L225 Difference]: With dead ends: 40 [2022-11-20 09:30:58,533 INFO L226 Difference]: Without dead ends: 17 [2022-11-20 09:30:58,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:30:58,542 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 23 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:58,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:30:58,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-20 09:30:58,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-20 09:30:58,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 09:30:58,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-11-20 09:30:58,580 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2022-11-20 09:30:58,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:58,582 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-20 09:30:58,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:30:58,582 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-20 09:30:58,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 09:30:58,583 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:58,584 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:30:58,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:30:58,584 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 09:30:58,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:58,585 INFO L85 PathProgramCache]: Analyzing trace with hash -104588099, now seen corresponding path program 1 times [2022-11-20 09:30:58,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:58,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447649510] [2022-11-20 09:30:58,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:58,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:30:58,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:30:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:30:58,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:30:58,667 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 09:30:58,669 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-20 09:30:58,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-20 09:30:58,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:30:58,675 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 09:30:58,682 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:30:58,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:30:58 BoogieIcfgContainer [2022-11-20 09:30:58,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:30:58,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:30:58,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:30:58,743 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:30:58,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:58" (3/4) ... [2022-11-20 09:30:58,752 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 09:30:58,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:30:58,753 INFO L158 Benchmark]: Toolchain (without parser) took 2615.03ms. Allocated memory is still 140.5MB. Free memory was 95.0MB in the beginning and 109.8MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:30:58,753 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:30:58,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1352.77ms. Allocated memory is still 140.5MB. Free memory was 95.0MB in the beginning and 103.8MB in the end (delta: -8.8MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2022-11-20 09:30:58,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.26ms. Allocated memory is still 140.5MB. Free memory was 103.8MB in the beginning and 100.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:30:58,761 INFO L158 Benchmark]: Boogie Preprocessor took 46.94ms. Allocated memory is still 140.5MB. Free memory was 100.8MB in the beginning and 99.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:30:58,762 INFO L158 Benchmark]: RCFGBuilder took 395.18ms. Allocated memory is still 140.5MB. Free memory was 98.7MB in the beginning and 86.8MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 09:30:58,762 INFO L158 Benchmark]: TraceAbstraction took 720.86ms. Allocated memory is still 140.5MB. Free memory was 86.2MB in the beginning and 109.8MB in the end (delta: -23.6MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-11-20 09:30:58,762 INFO L158 Benchmark]: Witness Printer took 9.24ms. Allocated memory is still 140.5MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:30:58,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1352.77ms. Allocated memory is still 140.5MB. Free memory was 95.0MB in the beginning and 103.8MB in the end (delta: -8.8MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.26ms. Allocated memory is still 140.5MB. Free memory was 103.8MB in the beginning and 100.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.94ms. Allocated memory is still 140.5MB. Free memory was 100.8MB in the beginning and 99.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 395.18ms. Allocated memory is still 140.5MB. Free memory was 98.7MB in the beginning and 86.8MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 720.86ms. Allocated memory is still 140.5MB. Free memory was 86.2MB in the beginning and 109.8MB in the end (delta: -23.6MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Witness Printer took 9.24ms. Allocated memory is still 140.5MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticFive = 5; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=2147483652, argc=2147483652, argv={2147483649:2147483654}, argv={2147483649:2147483654}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1579] CALL CWE190_Integer_Overflow__int_fgets_add_07_bad() [L1551] int data; [L1552] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1553] COND TRUE staticFive==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1567] COND TRUE staticFive==5 VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1570] data + 1 VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 25 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 09:30:58,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7fcee65994c10c2cc799db91070a9929fd29a169b89b1d270c2cb0a10b6534e2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:31:01,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:31:01,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:31:01,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:31:01,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:31:01,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:31:01,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:31:01,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:31:01,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:31:01,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:31:01,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:31:01,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:31:01,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:31:01,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:31:01,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:31:01,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:31:01,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:31:01,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:31:01,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:31:01,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:31:01,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:31:01,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:31:01,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:31:01,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:31:01,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:31:01,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:31:01,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:31:01,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:31:01,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:31:01,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:31:01,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:31:01,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:31:01,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:31:01,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:31:01,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:31:01,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:31:01,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:31:01,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:31:01,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:31:01,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:31:01,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:31:01,319 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-20 09:31:01,344 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:31:01,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:31:01,344 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:31:01,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:31:01,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:31:01,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:31:01,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:31:01,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:31:01,347 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:31:01,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:31:01,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:31:01,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:31:01,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:31:01,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:31:01,348 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 09:31:01,348 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 09:31:01,348 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 09:31:01,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:31:01,349 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:31:01,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:31:01,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:31:01,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:31:01,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:31:01,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:31:01,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:31:01,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:31:01,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:31:01,351 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 09:31:01,351 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 09:31:01,351 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:31:01,351 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:31:01,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:31:01,352 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 09:31:01,352 INFO L138 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_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fcee65994c10c2cc799db91070a9929fd29a169b89b1d270c2cb0a10b6534e2 [2022-11-20 09:31:01,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:31:01,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:31:01,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:31:01,754 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:31:01,754 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:31:01,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_07_bad.i [2022-11-20 09:31:04,825 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:31:05,260 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:31:05,260 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_07_bad.i [2022-11-20 09:31:05,282 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/data/6c30d9e69/a0afb149b32245c791cb64866b4e93a7/FLAG039a05faf [2022-11-20 09:31:05,300 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/data/6c30d9e69/a0afb149b32245c791cb64866b4e93a7 [2022-11-20 09:31:05,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:31:05,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:31:05,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:31:05,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:31:05,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:31:05,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:31:05" (1/1) ... [2022-11-20 09:31:05,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1400fbdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:05, skipping insertion in model container [2022-11-20 09:31:05,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:31:05" (1/1) ... [2022-11-20 09:31:05,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:31:05,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:31:05,799 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 09:31:06,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:31:06,669 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:31:06,701 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 09:31:06,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:31:06,950 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:31:06,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:06 WrapperNode [2022-11-20 09:31:06,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:31:06,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:31:06,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:31:06,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:31:06,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:06" (1/1) ... [2022-11-20 09:31:06,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:06" (1/1) ... [2022-11-20 09:31:07,040 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2022-11-20 09:31:07,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:31:07,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:31:07,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:31:07,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:31:07,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:06" (1/1) ... [2022-11-20 09:31:07,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:06" (1/1) ... [2022-11-20 09:31:07,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:06" (1/1) ... [2022-11-20 09:31:07,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:06" (1/1) ... [2022-11-20 09:31:07,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:06" (1/1) ... [2022-11-20 09:31:07,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:06" (1/1) ... [2022-11-20 09:31:07,084 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:06" (1/1) ... [2022-11-20 09:31:07,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:06" (1/1) ... [2022-11-20 09:31:07,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:31:07,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:31:07,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:31:07,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:31:07,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:06" (1/1) ... [2022-11-20 09:31:07,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:31:07,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:31:07,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:31:07,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:31:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 09:31:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 09:31:07,206 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 09:31:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:31:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 09:31:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:31:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:31:07,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:31:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:31:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 09:31:07,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 09:31:07,435 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:31:07,437 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:31:07,581 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:31:07,587 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:31:07,587 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:31:07,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:31:07 BoogieIcfgContainer [2022-11-20 09:31:07,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:31:07,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:31:07,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:31:07,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:31:07,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:31:05" (1/3) ... [2022-11-20 09:31:07,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e28ef49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:31:07, skipping insertion in model container [2022-11-20 09:31:07,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:31:06" (2/3) ... [2022-11-20 09:31:07,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e28ef49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:31:07, skipping insertion in model container [2022-11-20 09:31:07,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:31:07" (3/3) ... [2022-11-20 09:31:07,599 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_07_bad.i [2022-11-20 09:31:07,619 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:31:07,619 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-20 09:31:07,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e28ef49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:31:07, skipping insertion in model container [2022-11-20 09:31:07,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:31:07,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:31:07,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:31:07,621 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:31:07,622 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:31:07" (3/3) ... [2022-11-20 09:31:07,625 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 09:31:07,632 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 09:31:07,636 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-20 09:31:07,636 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 09:31:07,636 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 09:31:07,636 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:31:07,683 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 09:31:07,694 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:31:07,696 INFO L158 Benchmark]: Toolchain (without parser) took 2391.25ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 49.7MB in the beginning and 55.9MB in the end (delta: -6.2MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-11-20 09:31:07,697 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:31:07,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1645.21ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 49.5MB in the beginning and 52.4MB in the end (delta: -3.0MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2022-11-20 09:31:07,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.16ms. Allocated memory is still 96.5MB. Free memory was 52.4MB in the beginning and 49.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:31:07,698 INFO L158 Benchmark]: Boogie Preprocessor took 62.70ms. Allocated memory is still 96.5MB. Free memory was 49.4MB in the beginning and 47.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:31:07,698 INFO L158 Benchmark]: RCFGBuilder took 484.30ms. Allocated memory is still 96.5MB. Free memory was 47.4MB in the beginning and 61.1MB in the end (delta: -13.7MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-11-20 09:31:07,699 INFO L158 Benchmark]: TraceAbstraction took 28.80ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 58.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:31:07,699 INFO L158 Benchmark]: Witness Printer took 73.43ms. Allocated memory is still 96.5MB. Free memory was 58.7MB in the beginning and 55.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:31:07,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1645.21ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 49.5MB in the beginning and 52.4MB in the end (delta: -3.0MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.16ms. Allocated memory is still 96.5MB. Free memory was 52.4MB in the beginning and 49.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.70ms. Allocated memory is still 96.5MB. Free memory was 49.4MB in the beginning and 47.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 484.30ms. Allocated memory is still 96.5MB. Free memory was 47.4MB in the beginning and 61.1MB in the end (delta: -13.7MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * TraceAbstraction took 28.80ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 58.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 73.43ms. Allocated memory is still 96.5MB. Free memory was 58.7MB in the beginning and 55.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-20 09:31:07,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c336db-5875-4777-bc30-96e347f738bc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE