./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8 --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 be67fa318ddd3734dd0eaafb718d9d1ab23763475ca4e4f14b378a99bf51a733 --- 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-2329fc7 [2022-12-13 18:41:46,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:41:46,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:41:46,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:41:46,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:41:46,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:41:46,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:41:46,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:41:46,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:41:46,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:41:46,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:41:46,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:41:46,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:41:46,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:41:46,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:41:46,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:41:46,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:41:46,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:41:46,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:41:46,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:41:46,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:41:46,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:41:46,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:41:46,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:41:46,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:41:46,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:41:46,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:41:46,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:41:46,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:41:46,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:41:46,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:41:46,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:41:46,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:41:46,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:41:46,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:41:46,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:41:46,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:41:46,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:41:46,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:41:46,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:41:46,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:41:46,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 18:41:46,260 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:41:46,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:41:46,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:41:46,261 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:41:46,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:41:46,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:41:46,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:41:46,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:41:46,263 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:41:46,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:41:46,263 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:41:46,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:41:46,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:41:46,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:41:46,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:41:46,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:41:46,271 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:41:46,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:41:46,271 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:41:46,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:41:46,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:41:46,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:41:46,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:41:46,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:41:46,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:41:46,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:41:46,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:41:46,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:41:46,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:41:46,273 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:41:46,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:41:46,274 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:41:46,274 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:41:46,274 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:41:46,274 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be67fa318ddd3734dd0eaafb718d9d1ab23763475ca4e4f14b378a99bf51a733 [2022-12-13 18:41:46,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:41:46,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:41:46,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:41:46,468 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:41:46,468 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:41:46,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i [2022-12-13 18:41:49,028 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:41:49,262 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:41:49,262 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i [2022-12-13 18:41:49,275 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/data/845aec87a/d35525676e834b98ab4d98113dcf1be8/FLAG1437beff2 [2022-12-13 18:41:49,603 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/data/845aec87a/d35525676e834b98ab4d98113dcf1be8 [2022-12-13 18:41:49,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:41:49,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:41:49,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:41:49,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:41:49,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:41:49,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:41:49" (1/1) ... [2022-12-13 18:41:49,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1543aef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:49, skipping insertion in model container [2022-12-13 18:41:49,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:41:49" (1/1) ... [2022-12-13 18:41:49,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:41:49,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:41:49,881 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:41:50,190 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:41:50,194 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:41:50,196 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:41:50,197 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:41:50,198 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:41:50,214 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:41:50,217 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:41:50,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:41:50,226 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:41:50,239 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:41:50,268 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:41:50,269 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:41:50,270 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:41:50,271 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:41:50,272 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:41:50,275 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:41:50,276 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:41:50,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:41:50,369 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:41:50,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:50 WrapperNode [2022-12-13 18:41:50,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:41:50,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:41:50,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:41:50,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:41:50,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:50" (1/1) ... [2022-12-13 18:41:50,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:50" (1/1) ... [2022-12-13 18:41:50,409 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2022-12-13 18:41:50,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:41:50,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:41:50,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:41:50,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:41:50,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:50" (1/1) ... [2022-12-13 18:41:50,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:50" (1/1) ... [2022-12-13 18:41:50,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:50" (1/1) ... [2022-12-13 18:41:50,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:50" (1/1) ... [2022-12-13 18:41:50,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:50" (1/1) ... [2022-12-13 18:41:50,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:50" (1/1) ... [2022-12-13 18:41:50,426 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:50" (1/1) ... [2022-12-13 18:41:50,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:50" (1/1) ... [2022-12-13 18:41:50,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:41:50,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:41:50,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:41:50,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:41:50,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:50" (1/1) ... [2022-12-13 18:41:50,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:41:50,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:41:50,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:41:50,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:41:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 18:41:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:41:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:41:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:41:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 18:41:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:41:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:41:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:41:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:41:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:41:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:41:50,587 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:41:50,589 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:41:50,666 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:41:50,670 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:41:50,671 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 18:41:50,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:41:50 BoogieIcfgContainer [2022-12-13 18:41:50,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:41:50,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:41:50,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:41:50,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:41:50,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:41:49" (1/3) ... [2022-12-13 18:41:50,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18da4d62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:41:50, skipping insertion in model container [2022-12-13 18:41:50,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:50" (2/3) ... [2022-12-13 18:41:50,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18da4d62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:41:50, skipping insertion in model container [2022-12-13 18:41:50,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:41:50" (3/3) ... [2022-12-13 18:41:50,678 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_02_bad.i [2022-12-13 18:41:50,691 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:41:50,691 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 18:41:50,724 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:41:50,728 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;@1e446a40, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:41:50,728 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 18:41:50,731 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.375) internal successors, (22), 19 states have internal predecessors, (22), 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) [2022-12-13 18:41:50,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 18:41:50,736 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:41:50,737 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:41:50,737 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:41:50,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:41:50,741 INFO L85 PathProgramCache]: Analyzing trace with hash -500819106, now seen corresponding path program 1 times [2022-12-13 18:41:50,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:41:50,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232824882] [2022-12-13 18:41:50,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:41:50,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:41:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:41:50,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:41:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:41:50,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:41:50,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:41:50,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232824882] [2022-12-13 18:41:50,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232824882] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:41:50,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:41:50,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:41:50,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511450363] [2022-12-13 18:41:50,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:41:50,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 18:41:50,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:41:50,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 18:41:50,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:41:50,907 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.375) internal successors, (22), 19 states have internal predecessors, (22), 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 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-12-13 18:41:50,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:41:50,920 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2022-12-13 18:41:50,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 18:41:50,921 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 10 [2022-12-13 18:41:50,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:41:50,926 INFO L225 Difference]: With dead ends: 38 [2022-12-13 18:41:50,926 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 18:41:50,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:41:50,930 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:41:50,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:41:50,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 18:41:50,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 18:41:50,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 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) [2022-12-13 18:41:50,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-12-13 18:41:50,953 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 10 [2022-12-13 18:41:50,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:41:50,954 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-12-13 18:41:50,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-12-13 18:41:50,954 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-13 18:41:50,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 18:41:50,955 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:41:50,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:41:50,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:41:50,955 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:41:50,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:41:50,956 INFO L85 PathProgramCache]: Analyzing trace with hash -251131453, now seen corresponding path program 1 times [2022-12-13 18:41:50,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:41:50,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572288826] [2022-12-13 18:41:50,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:41:50,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:41:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:41:51,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:41:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:41:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:41:51,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:41:51,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572288826] [2022-12-13 18:41:51,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572288826] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:41:51,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:41:51,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:41:51,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713120959] [2022-12-13 18:41:51,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:41:51,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:41:51,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:41:51,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:41:51,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:41:51,049 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-13 18:41:51,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:41:51,057 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2022-12-13 18:41:51,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:41:51,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2022-12-13 18:41:51,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:41:51,058 INFO L225 Difference]: With dead ends: 16 [2022-12-13 18:41:51,058 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 18:41:51,058 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 [2022-12-13 18:41:51,059 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 24 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 [2022-12-13 18:41:51,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 24 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:41:51,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 18:41:51,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 18:41:51,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 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) [2022-12-13 18:41:51,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-12-13 18:41:51,066 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2022-12-13 18:41:51,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:41:51,066 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-12-13 18:41:51,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-13 18:41:51,067 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-13 18:41:51,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 18:41:51,067 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:41:51,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:41:51,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:41:51,068 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:41:51,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:41:51,068 INFO L85 PathProgramCache]: Analyzing trace with hash 804859611, now seen corresponding path program 1 times [2022-12-13 18:41:51,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:41:51,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270104090] [2022-12-13 18:41:51,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:41:51,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:41:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:41:51,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:41:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:41:51,132 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:41:51,133 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 18:41:51,133 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 18:41:51,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 18:41:51,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:41:51,139 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 18:41:51,142 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:41:51,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:41:51 BoogieIcfgContainer [2022-12-13 18:41:51,163 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:41:51,164 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:41:51,164 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:41:51,164 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:41:51,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:41:50" (3/4) ... [2022-12-13 18:41:51,167 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 18:41:51,167 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:41:51,168 INFO L158 Benchmark]: Toolchain (without parser) took 1561.24ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 96.8MB in the beginning and 119.7MB in the end (delta: -22.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-12-13 18:41:51,168 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:41:51,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 762.62ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 96.8MB in the beginning and 116.9MB in the end (delta: -20.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2022-12-13 18:41:51,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.76ms. Allocated memory is still 161.5MB. Free memory was 116.9MB in the beginning and 113.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:41:51,170 INFO L158 Benchmark]: Boogie Preprocessor took 18.67ms. Allocated memory is still 161.5MB. Free memory was 113.9MB in the beginning and 112.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:41:51,170 INFO L158 Benchmark]: RCFGBuilder took 243.50ms. Allocated memory is still 161.5MB. Free memory was 112.7MB in the beginning and 100.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 18:41:51,170 INFO L158 Benchmark]: TraceAbstraction took 489.74ms. Allocated memory is still 161.5MB. Free memory was 99.2MB in the beginning and 119.7MB in the end (delta: -20.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:41:51,171 INFO L158 Benchmark]: Witness Printer took 3.40ms. Allocated memory is still 161.5MB. Free memory is still 119.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:41:51,173 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 762.62ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 96.8MB in the beginning and 116.9MB in the end (delta: -20.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.76ms. Allocated memory is still 161.5MB. Free memory was 116.9MB in the beginning and 113.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.67ms. Allocated memory is still 161.5MB. Free memory was 113.9MB in the beginning and 112.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 243.50ms. Allocated memory is still 161.5MB. Free memory was 112.7MB in the beginning and 100.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 489.74ms. Allocated memory is still 161.5MB. Free memory was 99.2MB in the beginning and 119.7MB in the end (delta: -20.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.40ms. Allocated memory is still 161.5MB. Free memory is still 119.7MB. 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] 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}] [L1414] COND TRUE line != ((void *)0) [L1577] RET printLine("Calling bad()...") VAL [\old(argc)=2147483653, argc=2147483653, argv={2147483650:2147483654}, argv={2147483650:2147483654}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL CWE190_Integer_Overflow__int_fgets_add_02_bad() [L1550] int data; [L1551] 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] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] 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] [L1569] 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] - UnprovableResult [Line: 1569]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 41 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2022-12-13 18:41:51,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8 --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 be67fa318ddd3734dd0eaafb718d9d1ab23763475ca4e4f14b378a99bf51a733 --- 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-2329fc7 [2022-12-13 18:41:52,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:41:52,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:41:52,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:41:52,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:41:52,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:41:52,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:41:52,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:41:52,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:41:52,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:41:52,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:41:52,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:41:52,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:41:52,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:41:52,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:41:52,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:41:52,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:41:52,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:41:52,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:41:52,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:41:52,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:41:52,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:41:52,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:41:52,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:41:52,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:41:52,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:41:52,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:41:52,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:41:52,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:41:52,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:41:52,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:41:52,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:41:52,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:41:52,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:41:52,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:41:52,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:41:52,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:41:52,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:41:52,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:41:52,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:41:52,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:41:52,896 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 18:41:52,916 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:41:52,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:41:52,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:41:52,917 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:41:52,917 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:41:52,917 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:41:52,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:41:52,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:41:52,918 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:41:52,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:41:52,918 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:41:52,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:41:52,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:41:52,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:41:52,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:41:52,919 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 18:41:52,919 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 18:41:52,919 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:41:52,919 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 18:41:52,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:41:52,919 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:41:52,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:41:52,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:41:52,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:41:52,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:41:52,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:41:52,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:41:52,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:41:52,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:41:52,920 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 18:41:52,920 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 18:41:52,920 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:41:52,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:41:52,920 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:41:52,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:41:52,921 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 18:41:52,921 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:41:52,921 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be67fa318ddd3734dd0eaafb718d9d1ab23763475ca4e4f14b378a99bf51a733 [2022-12-13 18:41:53,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:41:53,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:41:53,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:41:53,171 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:41:53,172 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:41:53,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i [2022-12-13 18:41:55,679 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:41:55,981 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:41:55,982 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i [2022-12-13 18:41:55,999 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/data/3dc2d9586/d008024fabc7490bb50a0a60b1554dca/FLAGc2d4627f2 [2022-12-13 18:41:56,010 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/data/3dc2d9586/d008024fabc7490bb50a0a60b1554dca [2022-12-13 18:41:56,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:41:56,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:41:56,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:41:56,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:41:56,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:41:56,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:41:56" (1/1) ... [2022-12-13 18:41:56,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33922ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:56, skipping insertion in model container [2022-12-13 18:41:56,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:41:56" (1/1) ... [2022-12-13 18:41:56,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:41:56,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:41:56,279 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:41:56,584 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:41:56,588 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:41:56,589 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:41:56,590 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:41:56,591 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:41:56,606 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:41:56,610 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:41:56,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:41:56,621 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:41:56,635 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:41:56,666 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:41:56,667 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:41:56,668 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:41:56,670 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:41:56,671 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:41:56,673 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:41:56,675 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:41:56,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:41:56,766 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:41:56,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:56 WrapperNode [2022-12-13 18:41:56,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:41:56,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:41:56,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:41:56,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:41:56,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:56" (1/1) ... [2022-12-13 18:41:56,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:56" (1/1) ... [2022-12-13 18:41:56,808 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2022-12-13 18:41:56,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:41:56,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:41:56,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:41:56,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:41:56,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:56" (1/1) ... [2022-12-13 18:41:56,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:56" (1/1) ... [2022-12-13 18:41:56,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:56" (1/1) ... [2022-12-13 18:41:56,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:56" (1/1) ... [2022-12-13 18:41:56,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:56" (1/1) ... [2022-12-13 18:41:56,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:56" (1/1) ... [2022-12-13 18:41:56,826 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:56" (1/1) ... [2022-12-13 18:41:56,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:56" (1/1) ... [2022-12-13 18:41:56,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:41:56,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:41:56,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:41:56,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:41:56,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:56" (1/1) ... [2022-12-13 18:41:56,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:41:56,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:41:56,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:41:56,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:41:56,885 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 18:41:56,885 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:41:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:41:56,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:41:56,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 18:41:56,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:41:56,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:41:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:41:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:41:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:41:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 18:41:57,016 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:41:57,018 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:41:57,136 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:41:57,140 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:41:57,140 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 18:41:57,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:41:57 BoogieIcfgContainer [2022-12-13 18:41:57,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:41:57,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:41:57,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:41:57,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:41:57,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:41:56" (1/3) ... [2022-12-13 18:41:57,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ce29ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:41:57, skipping insertion in model container [2022-12-13 18:41:57,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:41:56" (2/3) ... [2022-12-13 18:41:57,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ce29ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:41:57, skipping insertion in model container [2022-12-13 18:41:57,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:41:57" (3/3) ... [2022-12-13 18:41:57,148 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_02_bad.i [2022-12-13 18:41:57,161 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:41:57,161 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 18:41:57,194 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:41:57,199 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;@69a1c06c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:41:57,199 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 18:41:57,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.375) internal successors, (22), 19 states have internal predecessors, (22), 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) [2022-12-13 18:41:57,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 18:41:57,207 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:41:57,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:41:57,208 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:41:57,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:41:57,212 INFO L85 PathProgramCache]: Analyzing trace with hash -500819106, now seen corresponding path program 1 times [2022-12-13 18:41:57,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:41:57,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361714497] [2022-12-13 18:41:57,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:41:57,222 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:41:57,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:41:57,223 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:41:57,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 18:41:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:41:57,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 18:41:57,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:41:57,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:41:57,362 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:41:57,362 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:41:57,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [361714497] [2022-12-13 18:41:57,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [361714497] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:41:57,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:41:57,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:41:57,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052085058] [2022-12-13 18:41:57,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:41:57,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 18:41:57,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:41:57,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 18:41:57,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:41:57,393 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.375) internal successors, (22), 19 states have internal predecessors, (22), 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 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-12-13 18:41:57,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:41:57,407 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2022-12-13 18:41:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 18:41:57,409 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 10 [2022-12-13 18:41:57,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:41:57,419 INFO L225 Difference]: With dead ends: 37 [2022-12-13 18:41:57,420 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 18:41:57,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:41:57,426 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:41:57,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:41:57,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 18:41:57,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 18:41:57,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 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) [2022-12-13 18:41:57,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-12-13 18:41:57,460 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 10 [2022-12-13 18:41:57,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:41:57,462 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-12-13 18:41:57,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-12-13 18:41:57,462 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-13 18:41:57,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 18:41:57,463 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:41:57,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:41:57,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:41:57,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:41:57,665 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:41:57,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:41:57,666 INFO L85 PathProgramCache]: Analyzing trace with hash 804859611, now seen corresponding path program 1 times [2022-12-13 18:41:57,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:41:57,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374205966] [2022-12-13 18:41:57,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:41:57,667 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:41:57,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:41:57,668 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:41:57,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 18:41:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:41:57,759 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:41:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:41:57,810 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 18:41:57,810 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 18:41:57,812 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 18:41:57,814 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 18:41:57,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 18:41:58,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:41:58,025 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 18:41:58,034 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:41:58,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:41:58 BoogieIcfgContainer [2022-12-13 18:41:58,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:41:58,104 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:41:58,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:41:58,105 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:41:58,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:41:57" (3/4) ... [2022-12-13 18:41:58,110 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 18:41:58,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:41:58,112 INFO L158 Benchmark]: Toolchain (without parser) took 2098.45ms. Allocated memory is still 83.9MB. Free memory was 58.5MB in the beginning and 42.6MB in the end (delta: 15.8MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-12-13 18:41:58,112 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 69.2MB. Free memory was 48.0MB in the beginning and 47.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:41:58,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 752.83ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 39.9MB in the end (delta: 18.3MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2022-12-13 18:41:58,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.33ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 37.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:41:58,115 INFO L158 Benchmark]: Boogie Preprocessor took 20.83ms. Allocated memory is still 83.9MB. Free memory was 37.0MB in the beginning and 34.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:41:58,115 INFO L158 Benchmark]: RCFGBuilder took 311.93ms. Allocated memory is still 83.9MB. Free memory was 34.9MB in the beginning and 47.2MB in the end (delta: -12.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2022-12-13 18:41:58,116 INFO L158 Benchmark]: TraceAbstraction took 959.93ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 43.1MB in the end (delta: 3.8MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2022-12-13 18:41:58,117 INFO L158 Benchmark]: Witness Printer took 6.26ms. Allocated memory is still 83.9MB. Free memory was 43.1MB in the beginning and 42.6MB in the end (delta: 478.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:41:58,120 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 69.2MB. Free memory was 48.0MB in the beginning and 47.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 752.83ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 39.9MB in the end (delta: 18.3MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.33ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 37.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.83ms. Allocated memory is still 83.9MB. Free memory was 37.0MB in the beginning and 34.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 311.93ms. Allocated memory is still 83.9MB. Free memory was 34.9MB in the beginning and 47.2MB in the end (delta: -12.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * TraceAbstraction took 959.93ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 43.1MB in the end (delta: 3.8MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Witness Printer took 6.26ms. Allocated memory is still 83.9MB. Free memory was 43.1MB in the beginning and 42.6MB in the end (delta: 478.9kB). 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] 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}] [L1414] COND TRUE line != ((void *)0) [L1577] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL CWE190_Integer_Overflow__int_fgets_add_02_bad() [L1550] int data; [L1551] 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] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] 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] [L1569] 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] - UnprovableResult [Line: 1569]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 46 ConjunctsInSsa, 1 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 [2022-12-13 18:41:58,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520cf615-a178-4f9b-8b34-0d069740f19c/bin/uautomizer-uyxdKDjOR8/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: UNKNOWN: Overapproximated counterexample