./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 101772a1df2f060cce83990afa64fd120489466cae6ba795381290c9113e6c7a --- 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-38b53e6 [2022-11-26 01:05:53,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:05:53,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:05:53,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:05:53,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:05:53,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:05:53,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:05:53,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:05:53,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:05:53,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:05:53,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:05:53,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:05:53,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:05:53,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:05:53,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:05:53,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:05:53,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:05:53,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:05:53,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:05:53,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:05:53,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:05:53,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:05:53,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:05:53,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:05:53,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:05:53,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:05:53,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:05:53,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:05:53,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:05:53,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:05:53,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:05:53,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:05:53,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:05:53,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:05:53,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:05:53,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:05:53,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:05:53,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:05:53,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:05:53,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:05:53,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:05:53,326 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 01:05:53,372 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:05:53,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:05:53,373 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:05:53,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:05:53,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:05:53,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:05:53,375 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:05:53,375 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:05:53,376 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:05:53,376 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:05:53,377 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:05:53,378 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:05:53,378 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:05:53,378 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:05:53,378 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:05:53,379 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:05:53,379 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:05:53,379 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:05:53,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:05:53,380 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:05:53,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:05:53,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:05:53,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:05:53,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:05:53,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:05:53,381 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 01:05:53,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:05:53,382 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:05:53,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:05:53,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:05:53,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:05:53,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:05:53,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:05:53,384 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:05:53,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:05:53,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:05:53,384 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:05:53,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:05:53,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:05:53,385 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:05:53,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 101772a1df2f060cce83990afa64fd120489466cae6ba795381290c9113e6c7a [2022-11-26 01:05:53,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:05:53,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:05:53,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:05:53,740 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:05:53,740 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:05:53,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_68_bad.i [2022-11-26 01:05:56,927 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:05:57,457 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:05:57,459 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_68_bad.i [2022-11-26 01:05:57,482 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/data/7b78ca030/29031a3d318c47489a0fb2dbfa6e15a4/FLAG9b0977253 [2022-11-26 01:05:57,508 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/data/7b78ca030/29031a3d318c47489a0fb2dbfa6e15a4 [2022-11-26 01:05:57,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:05:57,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:05:57,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:05:57,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:05:57,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:05:57,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:05:57" (1/1) ... [2022-11-26 01:05:57,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57583dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:05:57, skipping insertion in model container [2022-11-26 01:05:57,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:05:57" (1/1) ... [2022-11-26 01:05:57,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:05:57,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:05:58,110 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 01:05:58,838 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 01:05:58,845 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:05:58,849 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:05:58,853 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:05:58,855 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:05:59,493 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-26 01:05:59,497 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 01:05:59,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:05:59,521 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:05:59,566 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 01:05:59,634 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 01:05:59,636 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:05:59,637 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:05:59,645 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:05:59,657 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:05:59,670 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-26 01:05:59,676 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 01:05:59,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:06:00,132 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:06:00,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:00 WrapperNode [2022-11-26 01:06:00,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:06:00,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:06:00,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:06:00,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:06:00,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:00" (1/1) ... [2022-11-26 01:06:00,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:00" (1/1) ... [2022-11-26 01:06:00,243 INFO L138 Inliner]: procedures = 939, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 55 [2022-11-26 01:06:00,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:06:00,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:06:00,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:06:00,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:06:00,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:00" (1/1) ... [2022-11-26 01:06:00,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:00" (1/1) ... [2022-11-26 01:06:00,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:00" (1/1) ... [2022-11-26 01:06:00,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:00" (1/1) ... [2022-11-26 01:06:00,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:00" (1/1) ... [2022-11-26 01:06:00,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:00" (1/1) ... [2022-11-26 01:06:00,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:00" (1/1) ... [2022-11-26 01:06:00,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:00" (1/1) ... [2022-11-26 01:06:00,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:06:00,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:06:00,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:06:00,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:06:00,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:00" (1/1) ... [2022-11-26 01:06:00,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:06:00,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:06:00,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:06:00,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:06:00,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:06:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:06:00,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:06:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:06:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 01:06:00,363 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-26 01:06:00,364 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 01:06:00,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 01:06:00,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:06:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 01:06:00,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:06:00,598 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:06:00,617 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:06:00,779 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:06:00,819 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:06:00,819 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 01:06:00,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:06:00 BoogieIcfgContainer [2022-11-26 01:06:00,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:06:00,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:06:00,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:06:00,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:06:00,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:05:57" (1/3) ... [2022-11-26 01:06:00,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f4e46c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:06:00, skipping insertion in model container [2022-11-26 01:06:00,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:00" (2/3) ... [2022-11-26 01:06:00,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f4e46c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:06:00, skipping insertion in model container [2022-11-26 01:06:00,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:06:00" (3/3) ... [2022-11-26 01:06:00,833 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_68_bad.i [2022-11-26 01:06:00,854 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:06:00,855 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 01:06:00,909 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:06:00,916 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=FINITE_AUTOMATA, 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;@7523d8eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:06:00,917 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 01:06:00,921 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 8 states have (on average 1.375) internal successors, (11), 11 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 01:06:00,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 01:06:00,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:06:00,931 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:06:00,932 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 01:06:00,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:06:00,938 INFO L85 PathProgramCache]: Analyzing trace with hash 918150768, now seen corresponding path program 1 times [2022-11-26 01:06:00,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:06:00,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981155479] [2022-11-26 01:06:00,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:00,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:06:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:01,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:06:01,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:06:01,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981155479] [2022-11-26 01:06:01,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981155479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:06:01,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:06:01,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 01:06:01,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508297520] [2022-11-26 01:06:01,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:06:01,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 01:06:01,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:06:01,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 01:06:01,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:06:01,301 INFO L87 Difference]: Start difference. First operand has 15 states, 8 states have (on average 1.375) internal successors, (11), 11 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 01:06:01,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:06:01,352 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2022-11-26 01:06:01,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 01:06:01,355 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 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 8 [2022-11-26 01:06:01,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:06:01,363 INFO L225 Difference]: With dead ends: 15 [2022-11-26 01:06:01,363 INFO L226 Difference]: Without dead ends: 11 [2022-11-26 01:06:01,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:06:01,373 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:06:01,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 01:06:01,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-26 01:06:01,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-11-26 01:06:01,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 01:06:01,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2022-11-26 01:06:01,420 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 8 [2022-11-26 01:06:01,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:06:01,422 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2022-11-26 01:06:01,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 01:06:01,424 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2022-11-26 01:06:01,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 01:06:01,427 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:06:01,427 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:06:01,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:06:01,429 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 01:06:01,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:06:01,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1602097210, now seen corresponding path program 1 times [2022-11-26 01:06:01,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:06:01,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183211363] [2022-11-26 01:06:01,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:01,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:06:01,471 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:06:01,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1946858054] [2022-11-26 01:06:01,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:01,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:06:01,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:06:01,477 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:06:01,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 01:06:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:06:01,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 01:06:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:06:01,732 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 01:06:01,733 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 01:06:01,736 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-26 01:06:01,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-26 01:06:01,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 01:06:01,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:06:01,954 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-26 01:06:01,965 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 01:06:01,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 01:06:01 BoogieIcfgContainer [2022-11-26 01:06:01,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 01:06:01,995 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 01:06:01,995 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 01:06:01,996 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 01:06:01,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:06:00" (3/4) ... [2022-11-26 01:06:02,000 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 01:06:02,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 01:06:02,001 INFO L158 Benchmark]: Toolchain (without parser) took 4484.72ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 60.7MB in the end (delta: 70.1MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2022-11-26 01:06:02,001 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:06:02,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2629.09ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 118.2MB in the end (delta: 12.6MB). Peak memory consumption was 83.7MB. Max. memory is 16.1GB. [2022-11-26 01:06:02,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.27ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 114.2MB in the end (delta: 4.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:06:02,003 INFO L158 Benchmark]: Boogie Preprocessor took 27.60ms. Allocated memory is still 167.8MB. Free memory was 114.2MB in the beginning and 113.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:06:02,003 INFO L158 Benchmark]: RCFGBuilder took 549.83ms. Allocated memory is still 167.8MB. Free memory was 113.1MB in the beginning and 97.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-26 01:06:02,004 INFO L158 Benchmark]: TraceAbstraction took 1169.26ms. Allocated memory is still 167.8MB. Free memory was 97.4MB in the beginning and 60.7MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-26 01:06:02,004 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 167.8MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:06:02,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2629.09ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 118.2MB in the end (delta: 12.6MB). Peak memory consumption was 83.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.27ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 114.2MB in the end (delta: 4.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.60ms. Allocated memory is still 167.8MB. Free memory was 114.2MB in the beginning and 113.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 549.83ms. Allocated memory is still 167.8MB. Free memory was 113.1MB in the beginning and 97.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1169.26ms. Allocated memory is still 167.8MB. Free memory was 97.4MB in the beginning and 60.7MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 167.8MB. Free memory is still 60.7MB. 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: 1869]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1844. 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); [L1833] int CWE190_Integer_Overflow__int_fgets_square_68_goodG2BData; [L1857] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_square_68_goodG2BData=0, 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) [L1857] RET printLine("Calling bad()...") VAL [\old(argc)=31, argc=31, argv={30:29}, argv={30:29}, CWE190_Integer_Overflow__int_fgets_square_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1858] CALL CWE190_Integer_Overflow__int_fgets_square_68_bad() [L1838] int data; [L1839] data = 0 [L1841] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1842] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1844] data = atoi(inputBuffer) [L1841] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1851] CWE190_Integer_Overflow__int_fgets_square_68_badData = data [L1852] CALL CWE190_Integer_Overflow__int_fgets_square_68b_badSink() [L1867] int data = CWE190_Integer_Overflow__int_fgets_square_68_badData; VAL [CWE190_Integer_Overflow__int_fgets_square_68_badData=536868859, CWE190_Integer_Overflow__int_fgets_square_68_goodG2BData=0, data=536868859, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1869] data * data VAL [CWE190_Integer_Overflow__int_fgets_square_68_badData=536868859, CWE190_Integer_Overflow__int_fgets_square_68_goodG2BData=0, data=536868859, 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: 1869]: 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-26 01:06:02,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/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_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 101772a1df2f060cce83990afa64fd120489466cae6ba795381290c9113e6c7a --- 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-38b53e6 [2022-11-26 01:06:04,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:06:04,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:06:04,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:06:04,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:06:04,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:06:04,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:06:04,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:06:04,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:06:04,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:06:04,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:06:04,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:06:04,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:06:04,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:06:04,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:06:04,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:06:04,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:06:04,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:06:04,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:06:04,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:06:04,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:06:04,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:06:04,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:06:04,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:06:04,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:06:04,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:06:04,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:06:04,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:06:04,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:06:04,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:06:04,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:06:04,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:06:04,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:06:04,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:06:04,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:06:04,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:06:04,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:06:04,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:06:04,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:06:04,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:06:04,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:06:04,855 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 01:06:04,898 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:06:04,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:06:04,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:06:04,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:06:04,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:06:04,902 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:06:04,902 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:06:04,902 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:06:04,902 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:06:04,902 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:06:04,904 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:06:04,904 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:06:04,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:06:04,905 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:06:04,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:06:04,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:06:04,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:06:04,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:06:04,906 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 01:06:04,906 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 01:06:04,906 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 01:06:04,907 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 01:06:04,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:06:04,907 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:06:04,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:06:04,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:06:04,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 01:06:04,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:06:04,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:06:04,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:06:04,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:06:04,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:06:04,909 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 01:06:04,910 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 01:06:04,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:06:04,910 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:06:04,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 01:06:04,911 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 101772a1df2f060cce83990afa64fd120489466cae6ba795381290c9113e6c7a [2022-11-26 01:06:05,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:06:05,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:06:05,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:06:05,365 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:06:05,365 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:06:05,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_68_bad.i [2022-11-26 01:06:08,783 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:06:09,301 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:06:09,302 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_68_bad.i [2022-11-26 01:06:09,338 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/data/783f7d0f9/8cc258410aac41f382c49286003a8033/FLAGfc21fcf16 [2022-11-26 01:06:09,365 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/data/783f7d0f9/8cc258410aac41f382c49286003a8033 [2022-11-26 01:06:09,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:06:09,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:06:09,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:06:09,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:06:09,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:06:09,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:06:09" (1/1) ... [2022-11-26 01:06:09,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a87b929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:09, skipping insertion in model container [2022-11-26 01:06:09,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:06:09" (1/1) ... [2022-11-26 01:06:09,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:06:09,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:06:10,103 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 01:06:10,697 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 01:06:10,706 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:06:10,711 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:06:10,717 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:06:10,718 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:06:11,172 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-26 01:06:11,180 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 01:06:11,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:06:11,209 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:06:11,246 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 01:06:11,350 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 01:06:11,360 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:06:11,361 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:06:11,367 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:06:11,368 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:06:11,379 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-26 01:06:11,387 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 01:06:11,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:06:11,905 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:06:11,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:11 WrapperNode [2022-11-26 01:06:11,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:06:11,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:06:11,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:06:11,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:06:11,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:11" (1/1) ... [2022-11-26 01:06:11,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:11" (1/1) ... [2022-11-26 01:06:12,012 INFO L138 Inliner]: procedures = 944, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 54 [2022-11-26 01:06:12,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:06:12,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:06:12,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:06:12,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:06:12,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:11" (1/1) ... [2022-11-26 01:06:12,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:11" (1/1) ... [2022-11-26 01:06:12,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:11" (1/1) ... [2022-11-26 01:06:12,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:11" (1/1) ... [2022-11-26 01:06:12,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:11" (1/1) ... [2022-11-26 01:06:12,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:11" (1/1) ... [2022-11-26 01:06:12,053 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:11" (1/1) ... [2022-11-26 01:06:12,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:11" (1/1) ... [2022-11-26 01:06:12,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:06:12,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:06:12,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:06:12,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:06:12,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:11" (1/1) ... [2022-11-26 01:06:12,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:06:12,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:06:12,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:06:12,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:06:12,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:06:12,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:06:12,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:06:12,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:06:12,153 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 01:06:12,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-26 01:06:12,153 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-26 01:06:12,153 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 01:06:12,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 01:06:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:06:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 01:06:12,364 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:06:12,366 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:06:13,199 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:06:13,205 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:06:13,206 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 01:06:13,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:06:13 BoogieIcfgContainer [2022-11-26 01:06:13,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:06:13,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:06:13,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:06:13,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:06:13,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:06:09" (1/3) ... [2022-11-26 01:06:13,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d069069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:06:13, skipping insertion in model container [2022-11-26 01:06:13,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:11" (2/3) ... [2022-11-26 01:06:13,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d069069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:06:13, skipping insertion in model container [2022-11-26 01:06:13,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:06:13" (3/3) ... [2022-11-26 01:06:13,218 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_68_bad.i [2022-11-26 01:06:13,239 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:06:13,240 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 01:06:13,290 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:06:13,297 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=FINITE_AUTOMATA, 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;@1427b186, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:06:13,298 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 01:06:13,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 01:06:13,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-26 01:06:13,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:06:13,312 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:06:13,312 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 01:06:13,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:06:13,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1073154618, now seen corresponding path program 1 times [2022-11-26 01:06:13,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:06:13,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2033832190] [2022-11-26 01:06:13,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:13,335 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 [2022-11-26 01:06:13,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:06:13,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/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) [2022-11-26 01:06:13,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/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 [2022-11-26 01:06:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:06:13,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 01:06:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:06:13,702 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-26 01:06:13,704 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 01:06:13,705 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-26 01:06:13,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-26 01:06:13,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/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 [2022-11-26 01:06:13,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/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 [2022-11-26 01:06:13,912 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-26 01:06:13,917 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 01:06:13,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 01:06:13 BoogieIcfgContainer [2022-11-26 01:06:13,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 01:06:13,949 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 01:06:13,949 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 01:06:13,949 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 01:06:13,950 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:06:13" (3/4) ... [2022-11-26 01:06:13,953 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 01:06:13,953 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 01:06:13,955 INFO L158 Benchmark]: Toolchain (without parser) took 4584.86ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 44.6MB in the beginning and 38.6MB in the end (delta: 6.0MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-11-26 01:06:13,955 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:06:13,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2531.65ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 44.4MB in the beginning and 47.0MB in the end (delta: -2.6MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2022-11-26 01:06:13,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.09ms. Allocated memory is still 92.3MB. Free memory was 47.0MB in the beginning and 42.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 01:06:13,957 INFO L158 Benchmark]: Boogie Preprocessor took 47.43ms. Allocated memory is still 92.3MB. Free memory was 42.8MB in the beginning and 40.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:06:13,958 INFO L158 Benchmark]: RCFGBuilder took 1146.89ms. Allocated memory is still 92.3MB. Free memory was 40.7MB in the beginning and 57.5MB in the end (delta: -16.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-26 01:06:13,958 INFO L158 Benchmark]: TraceAbstraction took 737.45ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 39.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-26 01:06:13,959 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 92.3MB. Free memory was 39.2MB in the beginning and 38.6MB in the end (delta: 633.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:06:13,962 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2531.65ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 44.4MB in the beginning and 47.0MB in the end (delta: -2.6MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.09ms. Allocated memory is still 92.3MB. Free memory was 47.0MB in the beginning and 42.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.43ms. Allocated memory is still 92.3MB. Free memory was 42.8MB in the beginning and 40.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1146.89ms. Allocated memory is still 92.3MB. Free memory was 40.7MB in the beginning and 57.5MB in the end (delta: -16.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 737.45ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 39.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 92.3MB. Free memory was 39.2MB in the beginning and 38.6MB in the end (delta: 633.0kB). Peak memory consumption was 2.1MB. 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: 1869]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1844. 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); [L1834] int CWE190_Integer_Overflow__int_fgets_square_68_goodB2GData; VAL [CWE190_Integer_Overflow__int_fgets_square_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1857] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_square_68_goodB2GData=0, 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) [L1857] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, CWE190_Integer_Overflow__int_fgets_square_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1858] CALL CWE190_Integer_Overflow__int_fgets_square_68_bad() [L1838] int data; [L1839] data = 0 [L1841] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1842] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1844] data = atoi(inputBuffer) [L1841] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1851] CWE190_Integer_Overflow__int_fgets_square_68_badData = data [L1852] CALL CWE190_Integer_Overflow__int_fgets_square_68b_badSink() [L1867] int data = CWE190_Integer_Overflow__int_fgets_square_68_badData; VAL [CWE190_Integer_Overflow__int_fgets_square_68_badData=-2147483648, CWE190_Integer_Overflow__int_fgets_square_68_goodB2GData=0, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1869] data * data VAL [CWE190_Integer_Overflow__int_fgets_square_68_badData=-2147483648, CWE190_Integer_Overflow__int_fgets_square_68_goodB2GData=0, data=-2147483648, 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: 1869]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-26 01:06:13,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cda88b45-28d8-45b3-baf4-22500a494c91/bin/utaipan-ByfvJB40ur/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample