./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_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_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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 bb17b5d8b1b7568e2d0255fe5a63e9a213e01ee1ca78c66c59356de759ddc28b --- 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 11:56:05,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:56:05,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:56:05,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:56:05,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:56:05,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:56:05,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:56:05,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:56:05,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:56:05,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:56:05,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:56:05,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:56:05,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:56:05,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:56:05,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:56:05,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:56:05,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:56:05,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:56:05,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:56:05,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:56:05,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:56:05,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:56:05,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:56:05,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:56:05,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:56:05,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:56:05,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:56:05,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:56:05,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:56:05,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:56:05,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:56:05,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:56:05,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:56:05,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:56:05,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:56:05,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:56:05,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:56:05,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:56:05,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:56:05,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:56:05,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:56:05,341 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 11:56:05,354 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:56:05,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:56:05,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:56:05,355 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:56:05,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:56:05,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:56:05,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:56:05,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:56:05,356 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:56:05,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:56:05,356 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:56:05,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:56:05,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:56:05,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:56:05,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:56:05,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:56:05,357 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 11:56:05,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:56:05,357 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:56:05,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:56:05,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:56:05,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:56:05,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:56:05,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:56:05,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:56:05,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:56:05,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:56:05,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:56:05,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:56:05,358 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:56:05,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:56:05,358 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:56:05,359 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:56:05,359 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:56:05,359 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_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb17b5d8b1b7568e2d0255fe5a63e9a213e01ee1ca78c66c59356de759ddc28b [2022-12-13 11:56:05,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:56:05,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:56:05,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:56:05,541 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:56:05,542 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:56:05,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_bad.i [2022-12-13 11:56:08,097 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:56:08,350 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:56:08,351 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_bad.i [2022-12-13 11:56:08,366 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/data/64ad9bfe0/c1206af229fa45e1b9e19011b4081af7/FLAGee4508b1e [2022-12-13 11:56:08,378 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/data/64ad9bfe0/c1206af229fa45e1b9e19011b4081af7 [2022-12-13 11:56:08,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:56:08,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:56:08,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:56:08,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:56:08,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:56:08,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:56:08" (1/1) ... [2022-12-13 11:56:08,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a89f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:08, skipping insertion in model container [2022-12-13 11:56:08,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:56:08" (1/1) ... [2022-12-13 11:56:08,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:56:08,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:56:08,687 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 11:56:09,000 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 11:56:09,004 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:56:09,006 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:56:09,008 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:56:09,008 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:56:09,023 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 11:56:09,027 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 11:56:09,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:56:09,036 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:56:09,050 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 11:56:09,081 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 11:56:09,082 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:56:09,083 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:56:09,085 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:56:09,085 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:56:09,088 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 11:56:09,090 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 11:56:09,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:56:09,166 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:56:09,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:09 WrapperNode [2022-12-13 11:56:09,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:56:09,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:56:09,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:56:09,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:56:09,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:09" (1/1) ... [2022-12-13 11:56:09,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:09" (1/1) ... [2022-12-13 11:56:09,201 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2022-12-13 11:56:09,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:56:09,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:56:09,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:56:09,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:56:09,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:09" (1/1) ... [2022-12-13 11:56:09,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:09" (1/1) ... [2022-12-13 11:56:09,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:09" (1/1) ... [2022-12-13 11:56:09,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:09" (1/1) ... [2022-12-13 11:56:09,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:09" (1/1) ... [2022-12-13 11:56:09,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:09" (1/1) ... [2022-12-13 11:56:09,216 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:09" (1/1) ... [2022-12-13 11:56:09,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:09" (1/1) ... [2022-12-13 11:56:09,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:56:09,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:56:09,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:56:09,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:56:09,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:09" (1/1) ... [2022-12-13 11:56:09,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:56:09,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:56:09,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:56:09,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:56:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 11:56:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 11:56:09,277 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 11:56:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:56:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 11:56:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:56:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:56:09,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:56:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:56:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 11:56:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:56:09,385 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:56:09,387 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:56:09,491 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:56:09,497 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:56:09,497 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 11:56:09,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:56:09 BoogieIcfgContainer [2022-12-13 11:56:09,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:56:09,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:56:09,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:56:09,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:56:09,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:56:08" (1/3) ... [2022-12-13 11:56:09,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bda7d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:56:09, skipping insertion in model container [2022-12-13 11:56:09,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:09" (2/3) ... [2022-12-13 11:56:09,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bda7d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:56:09, skipping insertion in model container [2022-12-13 11:56:09,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:56:09" (3/3) ... [2022-12-13 11:56:09,507 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_05_bad.i [2022-12-13 11:56:09,526 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:56:09,527 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 11:56:09,575 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:56:09,581 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;@5068ecda, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:56:09,582 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 11:56:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 11:56:09,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 11:56:09,593 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:56:09,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:56:09,595 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 11:56:09,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:56:09,600 INFO L85 PathProgramCache]: Analyzing trace with hash -152054014, now seen corresponding path program 1 times [2022-12-13 11:56:09,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:56:09,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6292852] [2022-12-13 11:56:09,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:56:09,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:56:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:56:09,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:56:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:56:09,860 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 11:56:09,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:56:09,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6292852] [2022-12-13 11:56:09,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6292852] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:56:09,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:56:09,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:56:09,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103167] [2022-12-13 11:56:09,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:56:09,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:56:09,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:56:09,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:56:09,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:56:09,900 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 11:56:09,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:56:09,938 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2022-12-13 11:56:09,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:56:09,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 11:56:09,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:56:09,946 INFO L225 Difference]: With dead ends: 40 [2022-12-13 11:56:09,946 INFO L226 Difference]: Without dead ends: 17 [2022-12-13 11:56:09,949 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 11:56:09,951 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 23 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:56:09,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:56:09,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-13 11:56:09,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-12-13 11:56:09,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 11:56:09,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-12-13 11:56:09,979 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2022-12-13 11:56:09,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:56:09,980 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-12-13 11:56:09,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 11:56:09,981 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-12-13 11:56:09,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 11:56:09,981 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:56:09,981 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:56:09,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:56:09,982 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 11:56:09,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:56:09,982 INFO L85 PathProgramCache]: Analyzing trace with hash -104588099, now seen corresponding path program 1 times [2022-12-13 11:56:09,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:56:09,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933168134] [2022-12-13 11:56:09,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:56:09,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:56:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:56:10,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 11:56:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:56:10,079 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 11:56:10,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:56:10,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933168134] [2022-12-13 11:56:10,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933168134] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:56:10,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:56:10,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:56:10,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374112118] [2022-12-13 11:56:10,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:56:10,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:56:10,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:56:10,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:56:10,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:56:10,083 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11:56:10,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:56:10,091 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-12-13 11:56:10,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:56:10,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2022-12-13 11:56:10,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:56:10,092 INFO L225 Difference]: With dead ends: 17 [2022-12-13 11:56:10,092 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 11:56:10,092 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 11:56:10,093 INFO L413 NwaCegarLoop]: 16 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, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:56:10,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:56:10,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 11:56:10,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 11:56:10,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) 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 11:56:10,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-12-13 11:56:10,098 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 13 [2022-12-13 11:56:10,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:56:10,099 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-12-13 11:56:10,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11:56:10,099 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-13 11:56:10,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 11:56:10,100 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:56:10,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:56:10,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:56:10,100 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 11:56:10,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:56:10,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1052736290, now seen corresponding path program 1 times [2022-12-13 11:56:10,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:56:10,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710239758] [2022-12-13 11:56:10,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:56:10,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:56:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:56:10,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:56:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:56:10,161 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:56:10,161 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 11:56:10,162 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 11:56:10,164 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 11:56:10,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:56:10,168 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 11:56:10,172 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:56:10,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:56:10 BoogieIcfgContainer [2022-12-13 11:56:10,196 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:56:10,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:56:10,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:56:10,197 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:56:10,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:56:09" (3/4) ... [2022-12-13 11:56:10,199 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 11:56:10,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:56:10,200 INFO L158 Benchmark]: Toolchain (without parser) took 1818.56ms. Allocated memory is still 155.2MB. Free memory was 111.7MB in the beginning and 96.9MB in the end (delta: 14.8MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-12-13 11:56:10,200 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:56:10,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 784.14ms. Allocated memory is still 155.2MB. Free memory was 111.4MB in the beginning and 89.4MB in the end (delta: 22.1MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2022-12-13 11:56:10,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.10ms. Allocated memory is still 155.2MB. Free memory was 89.4MB in the beginning and 86.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:56:10,202 INFO L158 Benchmark]: Boogie Preprocessor took 16.64ms. Allocated memory is still 155.2MB. Free memory was 86.6MB in the beginning and 85.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:56:10,202 INFO L158 Benchmark]: RCFGBuilder took 279.98ms. Allocated memory is still 155.2MB. Free memory was 85.2MB in the beginning and 72.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 11:56:10,202 INFO L158 Benchmark]: TraceAbstraction took 695.04ms. Allocated memory is still 155.2MB. Free memory was 71.3MB in the beginning and 96.9MB in the end (delta: -25.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:56:10,203 INFO L158 Benchmark]: Witness Printer took 2.62ms. Allocated memory is still 155.2MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:56:10,204 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 784.14ms. Allocated memory is still 155.2MB. Free memory was 111.4MB in the beginning and 89.4MB in the end (delta: 22.1MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.10ms. Allocated memory is still 155.2MB. Free memory was 89.4MB in the beginning and 86.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.64ms. Allocated memory is still 155.2MB. Free memory was 86.6MB in the beginning and 85.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 279.98ms. Allocated memory is still 155.2MB. Free memory was 85.2MB in the beginning and 72.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 695.04ms. Allocated memory is still 155.2MB. Free memory was 71.3MB in the beginning and 96.9MB in the end (delta: -25.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.62ms. Allocated memory is still 155.2MB. Free memory is still 96.9MB. 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 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, staticFalse=0, staticTrue=1] [L1579] 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}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1579] 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, staticFalse=0, staticTrue=1] [L1580] CALL CWE190_Integer_Overflow__int_fgets_add_05_bad() [L1552] int data; [L1553] 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, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1557] 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, staticFalse=0, staticTrue=1] [L1568] COND TRUE \read(staticTrue) 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, staticFalse=0, staticTrue=1] [L1571] 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, staticFalse=0, staticTrue=1] - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 41 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 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 11:56:10,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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 bb17b5d8b1b7568e2d0255fe5a63e9a213e01ee1ca78c66c59356de759ddc28b --- 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 11:56:11,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:56:11,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:56:11,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:56:11,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:56:11,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:56:11,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:56:11,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:56:11,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:56:11,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:56:11,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:56:11,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:56:11,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:56:11,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:56:11,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:56:11,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:56:11,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:56:11,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:56:11,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:56:11,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:56:11,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:56:11,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:56:11,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:56:11,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:56:11,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:56:11,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:56:11,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:56:11,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:56:11,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:56:11,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:56:11,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:56:11,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:56:11,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:56:11,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:56:11,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:56:11,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:56:11,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:56:11,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:56:11,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:56:11,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:56:11,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:56:11,998 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 11:56:12,014 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:56:12,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:56:12,015 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:56:12,015 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:56:12,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:56:12,016 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:56:12,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:56:12,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:56:12,016 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:56:12,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:56:12,017 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:56:12,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:56:12,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:56:12,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:56:12,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:56:12,017 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 11:56:12,017 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 11:56:12,018 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 11:56:12,018 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 11:56:12,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:56:12,018 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:56:12,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:56:12,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:56:12,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:56:12,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:56:12,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:56:12,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:56:12,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:56:12,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:56:12,020 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 11:56:12,020 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 11:56:12,020 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:56:12,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:56:12,020 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:56:12,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:56:12,020 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 11:56:12,020 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:56:12,020 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_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb17b5d8b1b7568e2d0255fe5a63e9a213e01ee1ca78c66c59356de759ddc28b [2022-12-13 11:56:12,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:56:12,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:56:12,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:56:12,254 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:56:12,254 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:56:12,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_bad.i [2022-12-13 11:56:14,768 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:56:14,976 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:56:14,977 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_bad.i [2022-12-13 11:56:14,990 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/data/6b6a00c59/824b539948274cb1b620e19f48f37b97/FLAG855fc3dc1 [2022-12-13 11:56:15,001 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/data/6b6a00c59/824b539948274cb1b620e19f48f37b97 [2022-12-13 11:56:15,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:56:15,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:56:15,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:56:15,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:56:15,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:56:15,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:56:15" (1/1) ... [2022-12-13 11:56:15,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eed1221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:15, skipping insertion in model container [2022-12-13 11:56:15,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:56:15" (1/1) ... [2022-12-13 11:56:15,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:56:15,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:56:15,366 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 11:56:15,744 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 11:56:15,749 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:56:15,750 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:56:15,752 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:56:15,753 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:56:15,771 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 11:56:15,775 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 11:56:15,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:56:15,790 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:56:15,807 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 11:56:15,849 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 11:56:15,850 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:56:15,851 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 11:56:15,853 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:56:15,854 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 11:56:15,857 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 11:56:15,859 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 11:56:15,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:56:15,970 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:56:15,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:15 WrapperNode [2022-12-13 11:56:15,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:56:15,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:56:15,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:56:15,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:56:15,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:15" (1/1) ... [2022-12-13 11:56:15,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:15" (1/1) ... [2022-12-13 11:56:16,016 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2022-12-13 11:56:16,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:56:16,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:56:16,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:56:16,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:56:16,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:15" (1/1) ... [2022-12-13 11:56:16,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:15" (1/1) ... [2022-12-13 11:56:16,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:15" (1/1) ... [2022-12-13 11:56:16,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:15" (1/1) ... [2022-12-13 11:56:16,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:15" (1/1) ... [2022-12-13 11:56:16,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:15" (1/1) ... [2022-12-13 11:56:16,039 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:15" (1/1) ... [2022-12-13 11:56:16,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:15" (1/1) ... [2022-12-13 11:56:16,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:56:16,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:56:16,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:56:16,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:56:16,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:15" (1/1) ... [2022-12-13 11:56:16,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:56:16,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:56:16,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:56:16,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:56:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 11:56:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 11:56:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 11:56:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:56:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 11:56:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:56:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:56:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:56:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:56:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 11:56:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 11:56:16,222 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:56:16,223 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:56:16,338 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:56:16,343 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:56:16,343 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 11:56:16,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:56:16 BoogieIcfgContainer [2022-12-13 11:56:16,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:56:16,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:56:16,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:56:16,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:56:16,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:56:15" (1/3) ... [2022-12-13 11:56:16,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ffc0b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:56:16, skipping insertion in model container [2022-12-13 11:56:16,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:56:15" (2/3) ... [2022-12-13 11:56:16,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ffc0b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:56:16, skipping insertion in model container [2022-12-13 11:56:16,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:56:16" (3/3) ... [2022-12-13 11:56:16,356 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_05_bad.i [2022-12-13 11:56:16,369 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:56:16,369 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 11:56:16,405 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:56:16,410 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;@3c12dcd4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:56:16,411 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 11:56:16,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 11:56:16,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 11:56:16,419 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:56:16,420 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:56:16,420 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 11:56:16,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:56:16,424 INFO L85 PathProgramCache]: Analyzing trace with hash -152054014, now seen corresponding path program 1 times [2022-12-13 11:56:16,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:56:16,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1161873203] [2022-12-13 11:56:16,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:56:16,434 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 11:56:16,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:56:16,435 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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 11:56:16,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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 11:56:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:56:16,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 11:56:16,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:56:16,569 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 11:56:16,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:56:16,569 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:56:16,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1161873203] [2022-12-13 11:56:16,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1161873203] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:56:16,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:56:16,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 11:56:16,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035224678] [2022-12-13 11:56:16,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:56:16,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 11:56:16,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:56:16,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:56:16,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:56:16,602 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 11:56:16,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:56:16,615 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2022-12-13 11:56:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:56:16,616 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 11:56:16,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:56:16,621 INFO L225 Difference]: With dead ends: 24 [2022-12-13 11:56:16,621 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 11:56:16,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 11:56:16,626 INFO L413 NwaCegarLoop]: 28 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, 28 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 11:56:16,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:56:16,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 11:56:16,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 11:56:16,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 11:56:16,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-12-13 11:56:16,651 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 11 [2022-12-13 11:56:16,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:56:16,652 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-12-13 11:56:16,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 11:56:16,652 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-12-13 11:56:16,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 11:56:16,653 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:56:16,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:56:16,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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 11:56:16,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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 11:56:16,856 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 11:56:16,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:56:16,858 INFO L85 PathProgramCache]: Analyzing trace with hash -418707075, now seen corresponding path program 1 times [2022-12-13 11:56:16,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:56:16,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819489474] [2022-12-13 11:56:16,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:56:16,862 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 11:56:16,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:56:16,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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 11:56:16,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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 11:56:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:56:16,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:56:16,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:56:17,008 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 11:56:17,009 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:56:17,009 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 11:56:17,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819489474] [2022-12-13 11:56:17,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1819489474] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:56:17,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:56:17,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:56:17,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719336756] [2022-12-13 11:56:17,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:56:17,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:56:17,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 11:56:17,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:56:17,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:56:17,012 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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 11:56:17,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:56:17,023 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2022-12-13 11:56:17,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:56:17,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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 11:56:17,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:56:17,024 INFO L225 Difference]: With dead ends: 20 [2022-12-13 11:56:17,024 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 11:56:17,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 11:56:17,025 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 11:56:17,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 16 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 11:56:17,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 11:56:17,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 11:56:17,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) 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 11:56:17,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-12-13 11:56:17,028 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 12 [2022-12-13 11:56:17,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:56:17,028 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-12-13 11:56:17,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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 11:56:17,029 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-13 11:56:17,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 11:56:17,029 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:56:17,029 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:56:17,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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 11:56:17,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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 11:56:17,231 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 11:56:17,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:56:17,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1052736290, now seen corresponding path program 1 times [2022-12-13 11:56:17,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 11:56:17,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [620393355] [2022-12-13 11:56:17,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:56:17,235 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 11:56:17,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 11:56:17,238 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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 11:56:17,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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 (4)] Waiting until timeout for monitored process [2022-12-13 11:56:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:56:17,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:56:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:56:17,419 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 11:56:17,419 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 11:56:17,420 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 11:56:17,422 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 11:56:17,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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 (4)] Ended with exit code 0 [2022-12-13 11:56:17,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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 11:56:17,633 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 11:56:17,643 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:56:17,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:56:17 BoogieIcfgContainer [2022-12-13 11:56:17,678 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:56:17,678 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:56:17,678 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:56:17,679 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:56:17,679 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:56:16" (3/4) ... [2022-12-13 11:56:17,681 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 11:56:17,681 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:56:17,682 INFO L158 Benchmark]: Toolchain (without parser) took 2677.63ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 43.2MB in the beginning and 39.6MB in the end (delta: 3.7MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-12-13 11:56:17,682 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 69.2MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:56:17,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 965.51ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 43.2MB in the beginning and 51.4MB in the end (delta: -8.2MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2022-12-13 11:56:17,683 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.52ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 48.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:56:17,683 INFO L158 Benchmark]: Boogie Preprocessor took 26.89ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 46.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:56:17,683 INFO L158 Benchmark]: RCFGBuilder took 304.91ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 55.7MB in the end (delta: -9.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 11:56:17,683 INFO L158 Benchmark]: TraceAbstraction took 1326.70ms. Allocated memory is still 83.9MB. Free memory was 55.3MB in the beginning and 39.6MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2022-12-13 11:56:17,684 INFO L158 Benchmark]: Witness Printer took 2.96ms. Allocated memory is still 83.9MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:56:17,685 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 is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 965.51ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 43.2MB in the beginning and 51.4MB in the end (delta: -8.2MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.52ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 48.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.89ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 46.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 304.91ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 55.7MB in the end (delta: -9.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1326.70ms. Allocated memory is still 83.9MB. Free memory was 55.3MB in the beginning and 39.6MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Witness Printer took 2.96ms. Allocated memory is still 83.9MB. Free memory is still 39.6MB. 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 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, staticFalse=0, staticTrue=1] [L1579] 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}, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1579] 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, staticFalse=0, staticTrue=1] [L1580] CALL CWE190_Integer_Overflow__int_fgets_add_05_bad() [L1552] int data; [L1553] 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, staticFalse=0, staticTrue=1] [L1554] COND TRUE \read(staticTrue) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1557] 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, staticFalse=0, staticTrue=1] [L1568] COND TRUE \read(staticTrue) 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, staticFalse=0, staticTrue=1] [L1571] 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, staticFalse=0, staticTrue=1] - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 44 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 99 ConjunctsInSsa, 3 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 11:56:17,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b77f16d2-19c3-4cd2-90af-d9356bf8c08e/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