./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/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_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/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_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/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 2d26319dc8ca473618b013abe735255f59d6514fb3c3118bb57512acd3d6a6fb --- 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 20:16:27,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:16:27,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:16:27,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:16:27,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:16:27,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:16:27,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:16:27,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:16:27,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:16:27,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:16:27,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:16:27,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:16:27,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:16:27,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:16:27,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:16:27,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:16:27,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:16:27,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:16:27,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:16:27,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:16:27,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:16:27,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:16:27,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:16:27,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:16:27,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:16:27,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:16:27,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:16:27,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:16:27,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:16:27,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:16:27,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:16:27,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:16:27,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:16:27,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:16:27,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:16:27,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:16:27,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:16:27,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:16:27,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:16:27,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:16:27,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:16:27,283 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 20:16:27,302 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:16:27,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:16:27,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:16:27,303 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:16:27,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:16:27,303 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:16:27,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:16:27,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:16:27,304 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:16:27,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:16:27,305 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:16:27,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:16:27,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:16:27,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:16:27,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:16:27,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:16:27,306 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:16:27,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:16:27,306 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:16:27,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:16:27,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:16:27,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:16:27,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:16:27,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:16:27,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:16:27,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:16:27,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:16:27,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:16:27,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:16:27,308 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:16:27,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:16:27,309 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:16:27,309 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:16:27,309 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:16:27,309 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_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d26319dc8ca473618b013abe735255f59d6514fb3c3118bb57512acd3d6a6fb [2022-12-13 20:16:27,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:16:27,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:16:27,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:16:27,530 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:16:27,530 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:16:27,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i [2022-12-13 20:16:30,238 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:16:30,510 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:16:30,510 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i [2022-12-13 20:16:30,536 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/data/49966d484/d99de53af2724061b1d4984e679e686c/FLAGd39ec8ba3 [2022-12-13 20:16:30,550 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/data/49966d484/d99de53af2724061b1d4984e679e686c [2022-12-13 20:16:30,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:16:30,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:16:30,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:16:30,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:16:30,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:16:30,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:16:30" (1/1) ... [2022-12-13 20:16:30,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dab0bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:30, skipping insertion in model container [2022-12-13 20:16:30,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:16:30" (1/1) ... [2022-12-13 20:16:30,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:16:30,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:16:30,892 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:16:31,200 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:16:31,205 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:16:31,207 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:16:31,209 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:16:31,210 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:16:31,231 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 20:16:31,234 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:16:31,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:16:31,248 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:16:31,264 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:16:31,292 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:16:31,294 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:16:31,294 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:16:31,296 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:16:31,297 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:16:31,300 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 20:16:31,301 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:16:31,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:16:31,409 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:16:31,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:31 WrapperNode [2022-12-13 20:16:31,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:16:31,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:16:31,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:16:31,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:16:31,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:31" (1/1) ... [2022-12-13 20:16:31,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:31" (1/1) ... [2022-12-13 20:16:31,460 INFO L138 Inliner]: procedures = 502, calls = 64, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 56 [2022-12-13 20:16:31,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:16:31,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:16:31,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:16:31,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:16:31,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:31" (1/1) ... [2022-12-13 20:16:31,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:31" (1/1) ... [2022-12-13 20:16:31,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:31" (1/1) ... [2022-12-13 20:16:31,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:31" (1/1) ... [2022-12-13 20:16:31,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:31" (1/1) ... [2022-12-13 20:16:31,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:31" (1/1) ... [2022-12-13 20:16:31,480 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:31" (1/1) ... [2022-12-13 20:16:31,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:31" (1/1) ... [2022-12-13 20:16:31,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:16:31,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:16:31,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:16:31,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:16:31,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:31" (1/1) ... [2022-12-13 20:16:31,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:16:31,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:16:31,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:16:31,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:16:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 20:16:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 20:16:31,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 20:16:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:16:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 20:16:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:16:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:16:31,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:16:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:16:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 20:16:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:16:31,644 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:16:31,646 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:16:31,739 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:16:31,744 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:16:31,744 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:16:31,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:16:31 BoogieIcfgContainer [2022-12-13 20:16:31,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:16:31,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:16:31,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:16:31,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:16:31,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:16:30" (1/3) ... [2022-12-13 20:16:31,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e2ce181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:16:31, skipping insertion in model container [2022-12-13 20:16:31,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:31" (2/3) ... [2022-12-13 20:16:31,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e2ce181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:16:31, skipping insertion in model container [2022-12-13 20:16:31,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:16:31" (3/3) ... [2022-12-13 20:16:31,753 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i [2022-12-13 20:16:31,767 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:16:31,768 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 20:16:31,805 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:16:31,810 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;@5e53a53e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:16:31,810 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 20:16:31,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 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 20:16:31,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 20:16:31,824 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:16:31,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:16:31,825 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:16:31,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:16:31,831 INFO L85 PathProgramCache]: Analyzing trace with hash -83245182, now seen corresponding path program 1 times [2022-12-13 20:16:31,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:16:31,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385939048] [2022-12-13 20:16:31,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:16:31,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:16:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:32,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:16:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:32,050 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 20:16:32,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:16:32,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385939048] [2022-12-13 20:16:32,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385939048] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:16:32,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:16:32,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:16:32,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669187567] [2022-12-13 20:16:32,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:16:32,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:16:32,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:16:32,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:16:32,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:16:32,081 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 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, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:16:32,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:16:32,103 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-12-13 20:16:32,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:16:32,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 20:16:32,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:16:32,109 INFO L225 Difference]: With dead ends: 33 [2022-12-13 20:16:32,109 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 20:16:32,111 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 20:16:32,113 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 10 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:16:32,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 55 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:16:32,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 20:16:32,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 20:16:32,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 20:16:32,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-12-13 20:16:32,136 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2022-12-13 20:16:32,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:16:32,137 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-12-13 20:16:32,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:16:32,137 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-13 20:16:32,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 20:16:32,137 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:16:32,138 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:16:32,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:16:32,138 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:16:32,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:16:32,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1714366711, now seen corresponding path program 1 times [2022-12-13 20:16:32,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:16:32,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400484461] [2022-12-13 20:16:32,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:16:32,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:16:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:16:32,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:16:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:16:32,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:16:32,189 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:16:32,190 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 20:16:32,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 20:16:32,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:16:32,194 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 20:16:32,197 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:16:32,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:16:32 BoogieIcfgContainer [2022-12-13 20:16:32,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:16:32,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:16:32,213 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:16:32,213 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:16:32,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:16:31" (3/4) ... [2022-12-13 20:16:32,216 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 20:16:32,216 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:16:32,216 INFO L158 Benchmark]: Toolchain (without parser) took 1662.84ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 84.5MB in the beginning and 93.7MB in the end (delta: -9.2MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2022-12-13 20:16:32,217 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 94.2MB in the end (delta: 79.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:16:32,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 855.46ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 84.2MB in the beginning and 97.3MB in the end (delta: -13.1MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2022-12-13 20:16:32,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.58ms. Allocated memory is still 157.3MB. Free memory was 97.3MB in the beginning and 93.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:16:32,218 INFO L158 Benchmark]: Boogie Preprocessor took 22.06ms. Allocated memory is still 157.3MB. Free memory was 93.8MB in the beginning and 92.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:16:32,218 INFO L158 Benchmark]: RCFGBuilder took 262.79ms. Allocated memory is still 157.3MB. Free memory was 92.4MB in the beginning and 79.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 20:16:32,218 INFO L158 Benchmark]: TraceAbstraction took 464.39ms. Allocated memory is still 157.3MB. Free memory was 79.2MB in the beginning and 93.7MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:16:32,219 INFO L158 Benchmark]: Witness Printer took 2.64ms. Allocated memory is still 157.3MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:16:32,220 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 94.2MB in the end (delta: 79.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 855.46ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 84.2MB in the beginning and 97.3MB in the end (delta: -13.1MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.58ms. Allocated memory is still 157.3MB. Free memory was 97.3MB in the beginning and 93.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.06ms. Allocated memory is still 157.3MB. Free memory was 93.8MB in the beginning and 92.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 262.79ms. Allocated memory is still 157.3MB. Free memory was 92.4MB in the beginning and 79.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 464.39ms. Allocated memory is still 157.3MB. Free memory was 79.2MB in the beginning and 93.7MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.64ms. Allocated memory is still 157.3MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=1073741829, argc=1073741829, argv={1073741826:1073741830}, argv={1073741826:1073741830}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_52b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_52c_badSink(data) [L1581] COND TRUE data > 0 VAL [\old(data)=1073741824, data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 VAL [\old(data)=1073741824, data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1583]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 55 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 33 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 20:16:32,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/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_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/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_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/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 2d26319dc8ca473618b013abe735255f59d6514fb3c3118bb57512acd3d6a6fb --- 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 20:16:34,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:16:34,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:16:34,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:16:34,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:16:34,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:16:34,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:16:34,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:16:34,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:16:34,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:16:34,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:16:34,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:16:34,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:16:34,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:16:34,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:16:34,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:16:34,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:16:34,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:16:34,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:16:34,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:16:34,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:16:34,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:16:34,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:16:34,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:16:34,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:16:34,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:16:34,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:16:34,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:16:34,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:16:34,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:16:34,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:16:34,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:16:34,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:16:34,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:16:34,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:16:34,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:16:34,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:16:34,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:16:34,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:16:34,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:16:34,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:16:34,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 20:16:34,106 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:16:34,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:16:34,107 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:16:34,107 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:16:34,108 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:16:34,108 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:16:34,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:16:34,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:16:34,109 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:16:34,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:16:34,109 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:16:34,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:16:34,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:16:34,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:16:34,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:16:34,110 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 20:16:34,110 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 20:16:34,111 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:16:34,111 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 20:16:34,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:16:34,111 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:16:34,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:16:34,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:16:34,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:16:34,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:16:34,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:16:34,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:16:34,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:16:34,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:16:34,113 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 20:16:34,113 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 20:16:34,113 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:16:34,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:16:34,114 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:16:34,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:16:34,114 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 20:16:34,114 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:16:34,114 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_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d26319dc8ca473618b013abe735255f59d6514fb3c3118bb57512acd3d6a6fb [2022-12-13 20:16:34,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:16:34,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:16:34,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:16:34,361 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:16:34,361 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:16:34,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i [2022-12-13 20:16:36,991 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:16:37,225 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:16:37,226 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i [2022-12-13 20:16:37,238 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/data/0e4ae6d04/70edf6a0463f4789bf9b62d254e65174/FLAGd396a1910 [2022-12-13 20:16:37,252 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/data/0e4ae6d04/70edf6a0463f4789bf9b62d254e65174 [2022-12-13 20:16:37,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:16:37,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:16:37,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:16:37,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:16:37,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:16:37,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:16:37" (1/1) ... [2022-12-13 20:16:37,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191a8979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:37, skipping insertion in model container [2022-12-13 20:16:37,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:16:37" (1/1) ... [2022-12-13 20:16:37,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:16:37,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:16:37,551 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:16:37,849 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:16:37,854 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:16:37,855 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:16:37,857 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:16:37,858 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:16:37,876 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 20:16:37,878 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:16:37,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:16:37,894 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:16:37,913 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:16:37,968 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:16:37,970 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:16:37,971 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:16:37,973 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:16:37,974 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:16:37,978 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 20:16:37,980 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:16:37,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:16:38,100 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:16:38,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:38 WrapperNode [2022-12-13 20:16:38,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:16:38,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:16:38,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:16:38,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:16:38,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:38" (1/1) ... [2022-12-13 20:16:38,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:38" (1/1) ... [2022-12-13 20:16:38,139 INFO L138 Inliner]: procedures = 507, calls = 64, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 55 [2022-12-13 20:16:38,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:16:38,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:16:38,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:16:38,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:16:38,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:38" (1/1) ... [2022-12-13 20:16:38,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:38" (1/1) ... [2022-12-13 20:16:38,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:38" (1/1) ... [2022-12-13 20:16:38,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:38" (1/1) ... [2022-12-13 20:16:38,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:38" (1/1) ... [2022-12-13 20:16:38,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:38" (1/1) ... [2022-12-13 20:16:38,164 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:38" (1/1) ... [2022-12-13 20:16:38,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:38" (1/1) ... [2022-12-13 20:16:38,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:16:38,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:16:38,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:16:38,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:16:38,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:38" (1/1) ... [2022-12-13 20:16:38,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:16:38,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:16:38,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:16:38,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:16:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 20:16:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 20:16:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 20:16:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:16:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 20:16:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:16:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:16:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:16:38,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:16:38,218 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 20:16:38,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 20:16:38,337 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:16:38,339 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:16:38,446 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:16:38,451 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:16:38,452 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:16:38,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:16:38 BoogieIcfgContainer [2022-12-13 20:16:38,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:16:38,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:16:38,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:16:38,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:16:38,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:16:37" (1/3) ... [2022-12-13 20:16:38,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44011e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:16:38, skipping insertion in model container [2022-12-13 20:16:38,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:16:38" (2/3) ... [2022-12-13 20:16:38,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44011e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:16:38, skipping insertion in model container [2022-12-13 20:16:38,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:16:38" (3/3) ... [2022-12-13 20:16:38,462 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i [2022-12-13 20:16:38,478 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:16:38,478 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 20:16:38,510 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:16:38,514 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;@46af0d7c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:16:38,515 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 20:16:38,517 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 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 20:16:38,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 20:16:38,523 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:16:38,523 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:16:38,523 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:16:38,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:16:38,527 INFO L85 PathProgramCache]: Analyzing trace with hash -83245182, now seen corresponding path program 1 times [2022-12-13 20:16:38,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:16:38,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [706277080] [2022-12-13 20:16:38,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:16:38,536 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 20:16:38,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:16:38,537 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/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 20:16:38,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/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 20:16:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:16:38,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:16:38,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:16:38,688 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 20:16:38,689 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:16:38,689 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:16:38,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [706277080] [2022-12-13 20:16:38,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [706277080] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:16:38,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:16:38,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:16:38,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980585155] [2022-12-13 20:16:38,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:16:38,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:16:38,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:16:38,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:16:38,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:16:38,719 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 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, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:16:38,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:16:38,745 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-12-13 20:16:38,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:16:38,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 20:16:38,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:16:38,751 INFO L225 Difference]: With dead ends: 33 [2022-12-13 20:16:38,751 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 20:16:38,753 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 20:16:38,755 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 10 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:16:38,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 52 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:16:38,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 20:16:38,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 20:16:38,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 20:16:38,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-12-13 20:16:38,779 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2022-12-13 20:16:38,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:16:38,780 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-12-13 20:16:38,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:16:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-13 20:16:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 20:16:38,782 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:16:38,782 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:16:38,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/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 20:16:38,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/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 20:16:38,984 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:16:38,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:16:38,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1714366711, now seen corresponding path program 1 times [2022-12-13 20:16:38,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:16:38,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62760152] [2022-12-13 20:16:38,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:16:38,989 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 20:16:38,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:16:38,992 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/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 20:16:38,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/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 20:16:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:16:39,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:16:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:16:39,207 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 20:16:39,207 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:16:39,209 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 20:16:39,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 20:16:39,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/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 20:16:39,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/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 20:16:39,422 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 20:16:39,431 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:16:39,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:16:39 BoogieIcfgContainer [2022-12-13 20:16:39,474 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:16:39,474 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:16:39,474 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:16:39,474 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:16:39,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:16:38" (3/4) ... [2022-12-13 20:16:39,477 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 20:16:39,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:16:39,478 INFO L158 Benchmark]: Toolchain (without parser) took 2222.47ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 29.9MB in the beginning and 45.4MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:16:39,478 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:16:39,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 844.29ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 29.7MB in the beginning and 33.9MB in the end (delta: -4.2MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2022-12-13 20:16:39,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.14ms. Allocated memory is still 77.6MB. Free memory was 33.9MB in the beginning and 30.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:16:39,479 INFO L158 Benchmark]: Boogie Preprocessor took 27.17ms. Allocated memory is still 77.6MB. Free memory was 30.6MB in the beginning and 51.2MB in the end (delta: -20.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:16:39,480 INFO L158 Benchmark]: RCFGBuilder took 286.30ms. Allocated memory is still 77.6MB. Free memory was 51.2MB in the beginning and 37.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 20:16:39,480 INFO L158 Benchmark]: TraceAbstraction took 1017.52ms. Allocated memory is still 77.6MB. Free memory was 36.9MB in the beginning and 45.8MB in the end (delta: -9.0MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2022-12-13 20:16:39,480 INFO L158 Benchmark]: Witness Printer took 3.24ms. Allocated memory is still 77.6MB. Free memory was 45.8MB in the beginning and 45.4MB in the end (delta: 416.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:16:39,482 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 62.9MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 844.29ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 29.7MB in the beginning and 33.9MB in the end (delta: -4.2MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.14ms. Allocated memory is still 77.6MB. Free memory was 33.9MB in the beginning and 30.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.17ms. Allocated memory is still 77.6MB. Free memory was 30.6MB in the beginning and 51.2MB in the end (delta: -20.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 286.30ms. Allocated memory is still 77.6MB. Free memory was 51.2MB in the beginning and 37.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1017.52ms. Allocated memory is still 77.6MB. Free memory was 36.9MB in the beginning and 45.8MB in the end (delta: -9.0MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Witness Printer took 3.24ms. Allocated memory is still 77.6MB. Free memory was 45.8MB in the beginning and 45.4MB in the end (delta: 416.7kB). 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: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_52b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_52c_badSink(data) [L1581] COND TRUE data > 0 VAL [\old(data)=1073741824, data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 VAL [\old(data)=1073741824, data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1583]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 30 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 71 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 20:16:39,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_491b5aa4-6d3a-48fd-80ac-8ebbbbd94e52/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