./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 30d0800fa245da50f0b55ac20c74fedc603adda52ecd4ec1e780eeece595a35b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:19:22,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:19:22,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:19:22,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:19:22,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:19:22,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:19:22,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:19:22,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:19:22,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:19:22,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:19:22,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:19:22,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:19:22,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:19:22,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:19:22,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:19:22,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:19:22,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:19:22,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:19:22,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:19:22,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:19:22,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:19:22,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:19:22,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:19:22,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:19:22,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:19:22,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:19:22,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:19:22,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:19:22,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:19:22,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:19:22,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:19:22,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:19:22,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:19:22,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:19:22,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:19:22,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:19:22,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:19:22,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:19:22,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:19:22,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:19:22,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:19:22,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 18:19:22,230 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:19:22,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:19:22,230 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:19:22,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:19:22,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:19:22,231 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:19:22,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:19:22,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:19:22,232 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:19:22,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:19:22,233 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:19:22,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:19:22,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:19:22,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:19:22,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:19:22,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:19:22,234 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:19:22,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:19:22,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:19:22,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:19:22,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:19:22,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:19:22,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:19:22,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:19:22,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:19:22,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:19:22,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:19:22,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:19:22,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:19:22,236 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:19:22,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:19:22,237 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:19:22,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:19:22,237 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:19:22,237 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30d0800fa245da50f0b55ac20c74fedc603adda52ecd4ec1e780eeece595a35b [2022-12-13 18:19:22,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:19:22,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:19:22,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:19:22,448 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:19:22,448 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:19:22,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_65_bad.i [2022-12-13 18:19:25,032 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:19:25,369 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:19:25,369 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_65_bad.i [2022-12-13 18:19:25,383 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/data/cbbe8cde5/bdd2850a590245c095e05362db0e98e2/FLAGc7d32e771 [2022-12-13 18:19:25,605 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/data/cbbe8cde5/bdd2850a590245c095e05362db0e98e2 [2022-12-13 18:19:25,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:19:25,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:19:25,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:19:25,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:19:25,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:19:25,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:19:25" (1/1) ... [2022-12-13 18:19:25,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d25860d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:25, skipping insertion in model container [2022-12-13 18:19:25,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:19:25" (1/1) ... [2022-12-13 18:19:25,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:19:25,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:19:26,028 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:19:26,508 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:19:26,513 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:19:26,515 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:19:26,518 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:19:26,519 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:19:26,859 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:19:26,865 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:19:26,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:19:26,877 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:19:26,893 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:19:26,937 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:19:26,939 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:19:26,940 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:19:26,942 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:19:26,943 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:19:26,953 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:19:26,954 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:19:26,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:19:27,211 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:19:27,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:27 WrapperNode [2022-12-13 18:19:27,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:19:27,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:19:27,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:19:27,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:19:27,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:27" (1/1) ... [2022-12-13 18:19:27,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:27" (1/1) ... [2022-12-13 18:19:27,251 INFO L138 Inliner]: procedures = 940, calls = 64, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 57 [2022-12-13 18:19:27,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:19:27,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:19:27,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:19:27,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:19:27,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:27" (1/1) ... [2022-12-13 18:19:27,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:27" (1/1) ... [2022-12-13 18:19:27,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:27" (1/1) ... [2022-12-13 18:19:27,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:27" (1/1) ... [2022-12-13 18:19:27,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:27" (1/1) ... [2022-12-13 18:19:27,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:27" (1/1) ... [2022-12-13 18:19:27,267 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:27" (1/1) ... [2022-12-13 18:19:27,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:27" (1/1) ... [2022-12-13 18:19:27,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:19:27,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:19:27,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:19:27,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:19:27,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:27" (1/1) ... [2022-12-13 18:19:27,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:19:27,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:19:27,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:19:27,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:19:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:19:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:19:27,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:19:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:19:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:19:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 18:19:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:19:27,323 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:19:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:19:27,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 18:19:27,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:19:27,437 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:19:27,439 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:19:27,539 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:19:27,544 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:19:27,544 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:19:27,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:19:27 BoogieIcfgContainer [2022-12-13 18:19:27,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:19:27,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:19:27,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:19:27,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:19:27,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:19:25" (1/3) ... [2022-12-13 18:19:27,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c639755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:19:27, skipping insertion in model container [2022-12-13 18:19:27,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:27" (2/3) ... [2022-12-13 18:19:27,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c639755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:19:27, skipping insertion in model container [2022-12-13 18:19:27,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:19:27" (3/3) ... [2022-12-13 18:19:27,552 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_65_bad.i [2022-12-13 18:19:27,566 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:19:27,567 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 18:19:27,603 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:19:27,608 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@252350b3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:19:27,608 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 18:19:27,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 18:19:27,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 18:19:27,617 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:19:27,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:19:27,617 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:19:27,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:19:27,623 INFO L85 PathProgramCache]: Analyzing trace with hash -391249206, now seen corresponding path program 1 times [2022-12-13 18:19:27,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:19:27,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352673642] [2022-12-13 18:19:27,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:27,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:19:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:27,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:19:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:19:27,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:19:27,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352673642] [2022-12-13 18:19:27,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352673642] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:19:27,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:19:27,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 18:19:27,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895276177] [2022-12-13 18:19:27,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:19:27,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 18:19:27,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:19:27,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 18:19:27,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:19:27,832 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:19:27,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:19:27,845 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2022-12-13 18:19:27,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 18:19:27,847 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 18:19:27,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:19:27,852 INFO L225 Difference]: With dead ends: 24 [2022-12-13 18:19:27,852 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 18:19:27,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:19:27,856 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:19:27,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:19:27,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 18:19:27,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 18:19:27,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:19:27,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2022-12-13 18:19:27,882 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2022-12-13 18:19:27,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:19:27,883 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-12-13 18:19:27,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 18:19:27,883 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-12-13 18:19:27,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 18:19:27,884 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:19:27,884 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:19:27,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:19:27,885 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:19:27,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:19:27,885 INFO L85 PathProgramCache]: Analyzing trace with hash 756176556, now seen corresponding path program 1 times [2022-12-13 18:19:27,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:19:27,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367914252] [2022-12-13 18:19:27,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:27,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:19:27,910 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 18:19:27,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2145764732] [2022-12-13 18:19:27,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:27,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:19:27,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:19:27,912 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:19:27,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 18:19:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:19:28,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:19:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:19:28,065 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:19:28,066 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 18:19:28,068 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 18:19:28,070 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 18:19:28,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:19:28,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:19:28,280 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 18:19:28,290 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:19:28,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:19:28 BoogieIcfgContainer [2022-12-13 18:19:28,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:19:28,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:19:28,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:19:28,400 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:19:28,402 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:19:27" (3/4) ... [2022-12-13 18:19:28,410 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 18:19:28,411 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:19:28,412 INFO L158 Benchmark]: Toolchain (without parser) took 2802.84ms. Allocated memory is still 174.1MB. Free memory was 132.9MB in the beginning and 133.9MB in the end (delta: -1.0MB). Peak memory consumption was 923.6kB. Max. memory is 16.1GB. [2022-12-13 18:19:28,414 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory was 87.2MB in the beginning and 87.2MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:19:28,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1601.54ms. Allocated memory is still 174.1MB. Free memory was 132.9MB in the beginning and 107.4MB in the end (delta: 25.5MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2022-12-13 18:19:28,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.27ms. Allocated memory is still 174.1MB. Free memory was 107.4MB in the beginning and 104.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:19:28,418 INFO L158 Benchmark]: Boogie Preprocessor took 17.42ms. Allocated memory is still 174.1MB. Free memory was 104.3MB in the beginning and 102.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:19:28,419 INFO L158 Benchmark]: RCFGBuilder took 276.12ms. Allocated memory is still 174.1MB. Free memory was 102.2MB in the beginning and 88.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 18:19:28,420 INFO L158 Benchmark]: TraceAbstraction took 850.24ms. Allocated memory is still 174.1MB. Free memory was 87.5MB in the beginning and 134.7MB in the end (delta: -47.2MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2022-12-13 18:19:28,421 INFO L158 Benchmark]: Witness Printer took 12.38ms. Allocated memory is still 174.1MB. Free memory was 134.7MB in the beginning and 133.9MB in the end (delta: 818.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:19:28,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory was 87.2MB in the beginning and 87.2MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1601.54ms. Allocated memory is still 174.1MB. Free memory was 132.9MB in the beginning and 107.4MB in the end (delta: 25.5MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.27ms. Allocated memory is still 174.1MB. Free memory was 107.4MB in the beginning and 104.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.42ms. Allocated memory is still 174.1MB. Free memory was 104.3MB in the beginning and 102.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 276.12ms. Allocated memory is still 174.1MB. Free memory was 102.2MB in the beginning and 88.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 850.24ms. Allocated memory is still 174.1MB. Free memory was 87.5MB in the beginning and 134.7MB in the end (delta: -47.2MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * Witness Printer took 12.38ms. Allocated memory is still 174.1MB. Free memory was 134.7MB in the beginning and 133.9MB in the end (delta: 818.4kB). 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: 1862]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1842. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1854] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1854] RET printLine("Calling bad()...") VAL [\old(argc)=25, argc=25, argv={27:26}, argv={27:26}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1855] CALL CWE190_Integer_Overflow__int_fgets_square_65_bad() [L1835] int data; [L1836] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_square_65b_badSink; [L1837] data = 0 [L1839] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1840] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1842] data = atoi(inputBuffer) [L1839] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1849] CALL funcPtr(data) [L1862] data * data VAL [\old(data)=536869865, data=536869865, 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: 1862]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 18:19:28,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 30d0800fa245da50f0b55ac20c74fedc603adda52ecd4ec1e780eeece595a35b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:19:30,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:19:30,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:19:30,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:19:30,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:19:30,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:19:30,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:19:30,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:19:30,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:19:30,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:19:30,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:19:30,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:19:30,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:19:30,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:19:30,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:19:30,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:19:30,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:19:30,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:19:30,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:19:30,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:19:30,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:19:30,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:19:30,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:19:30,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:19:30,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:19:30,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:19:30,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:19:30,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:19:30,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:19:30,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:19:30,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:19:30,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:19:30,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:19:30,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:19:30,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:19:30,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:19:30,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:19:30,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:19:30,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:19:30,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:19:30,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:19:30,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 18:19:30,338 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:19:30,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:19:30,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:19:30,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:19:30,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:19:30,339 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:19:30,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:19:30,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:19:30,339 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:19:30,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:19:30,340 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:19:30,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:19:30,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:19:30,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:19:30,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:19:30,340 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 18:19:30,340 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 18:19:30,340 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:19:30,340 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 18:19:30,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:19:30,340 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:19:30,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:19:30,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:19:30,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:19:30,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:19:30,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:19:30,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:19:30,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:19:30,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:19:30,341 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 18:19:30,341 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 18:19:30,342 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:19:30,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:19:30,342 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:19:30,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:19:30,342 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 18:19:30,342 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:19:30,342 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30d0800fa245da50f0b55ac20c74fedc603adda52ecd4ec1e780eeece595a35b [2022-12-13 18:19:30,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:19:30,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:19:30,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:19:30,578 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:19:30,578 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:19:30,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_65_bad.i [2022-12-13 18:19:33,336 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:19:33,630 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:19:33,630 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_65_bad.i [2022-12-13 18:19:33,646 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/data/764591dba/030ab588c1264db680d3979421459f1d/FLAG8a2b6997f [2022-12-13 18:19:33,657 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/data/764591dba/030ab588c1264db680d3979421459f1d [2022-12-13 18:19:33,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:19:33,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:19:33,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:19:33,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:19:33,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:19:33,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:19:33" (1/1) ... [2022-12-13 18:19:33,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e887fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:33, skipping insertion in model container [2022-12-13 18:19:33,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:19:33" (1/1) ... [2022-12-13 18:19:33,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:19:33,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:19:34,015 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:19:34,386 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:19:34,390 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:19:34,391 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:19:34,392 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:19:34,393 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:19:34,693 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:19:34,697 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:19:34,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:19:34,709 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:19:34,722 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 18:19:34,758 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 18:19:34,759 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:19:34,760 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 18:19:34,761 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:19:34,762 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 18:19:34,769 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 18:19:34,771 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 18:19:34,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:19:35,022 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:19:35,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:35 WrapperNode [2022-12-13 18:19:35,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:19:35,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:19:35,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:19:35,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:19:35,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:35" (1/1) ... [2022-12-13 18:19:35,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:35" (1/1) ... [2022-12-13 18:19:35,086 INFO L138 Inliner]: procedures = 945, calls = 64, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 56 [2022-12-13 18:19:35,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:19:35,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:19:35,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:19:35,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:19:35,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:35" (1/1) ... [2022-12-13 18:19:35,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:35" (1/1) ... [2022-12-13 18:19:35,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:35" (1/1) ... [2022-12-13 18:19:35,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:35" (1/1) ... [2022-12-13 18:19:35,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:35" (1/1) ... [2022-12-13 18:19:35,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:35" (1/1) ... [2022-12-13 18:19:35,115 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:35" (1/1) ... [2022-12-13 18:19:35,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:35" (1/1) ... [2022-12-13 18:19:35,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:19:35,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:19:35,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:19:35,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:19:35,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:35" (1/1) ... [2022-12-13 18:19:35,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:19:35,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:19:35,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:19:35,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:19:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:19:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:19:35,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:19:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:19:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 18:19:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 18:19:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 18:19:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 18:19:35,175 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 18:19:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:19:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 18:19:35,300 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:19:35,302 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:19:38,060 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:19:38,064 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:19:38,064 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:19:38,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:19:38 BoogieIcfgContainer [2022-12-13 18:19:38,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:19:38,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:19:38,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:19:38,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:19:38,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:19:33" (1/3) ... [2022-12-13 18:19:38,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740e754e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:19:38, skipping insertion in model container [2022-12-13 18:19:38,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:35" (2/3) ... [2022-12-13 18:19:38,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740e754e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:19:38, skipping insertion in model container [2022-12-13 18:19:38,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:19:38" (3/3) ... [2022-12-13 18:19:38,071 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_65_bad.i [2022-12-13 18:19:38,083 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:19:38,084 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 18:19:38,115 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:19:38,119 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@125047e9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:19:38,119 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 18:19:38,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 18:19:38,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 18:19:38,127 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:19:38,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:19:38,128 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 18:19:38,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:19:38,131 INFO L85 PathProgramCache]: Analyzing trace with hash -391249206, now seen corresponding path program 1 times [2022-12-13 18:19:38,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:19:38,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [578674571] [2022-12-13 18:19:38,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:38,141 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:19:38,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:19:38,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:19:38,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 18:19:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:19:38,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:19:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:19:38,359 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 18:19:38,360 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 18:19:38,361 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 18:19:38,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 18:19:38,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:19:38,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:19:38,568 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 18:19:38,572 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:19:38,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:19:38 BoogieIcfgContainer [2022-12-13 18:19:38,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:19:38,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:19:38,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:19:38,598 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:19:38,598 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:19:38" (3/4) ... [2022-12-13 18:19:38,601 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 18:19:38,601 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:19:38,603 INFO L158 Benchmark]: Toolchain (without parser) took 4941.34ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 42.3MB in the beginning and 32.4MB in the end (delta: 9.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 18:19:38,603 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:19:38,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1360.80ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 42.1MB in the beginning and 40.8MB in the end (delta: 1.3MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2022-12-13 18:19:38,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.78ms. Allocated memory is still 83.9MB. Free memory was 40.8MB in the beginning and 36.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:19:38,605 INFO L158 Benchmark]: Boogie Preprocessor took 34.73ms. Allocated memory is still 83.9MB. Free memory was 36.6MB in the beginning and 34.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:19:38,605 INFO L158 Benchmark]: RCFGBuilder took 2942.82ms. Allocated memory is still 83.9MB. Free memory was 34.5MB in the beginning and 50.4MB in the end (delta: -15.9MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2022-12-13 18:19:38,605 INFO L158 Benchmark]: TraceAbstraction took 529.85ms. Allocated memory is still 83.9MB. Free memory was 49.8MB in the beginning and 32.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 18:19:38,606 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 83.9MB. Free memory is still 32.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:19:38,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1360.80ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 42.1MB in the beginning and 40.8MB in the end (delta: 1.3MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.78ms. Allocated memory is still 83.9MB. Free memory was 40.8MB in the beginning and 36.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.73ms. Allocated memory is still 83.9MB. Free memory was 36.6MB in the beginning and 34.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2942.82ms. Allocated memory is still 83.9MB. Free memory was 34.5MB in the beginning and 50.4MB in the end (delta: -15.9MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * TraceAbstraction took 529.85ms. Allocated memory is still 83.9MB. Free memory was 49.8MB in the beginning and 32.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 83.9MB. Free memory is still 32.4MB. 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: 1862]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1842. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1854] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1854] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1855] CALL CWE190_Integer_Overflow__int_fgets_square_65_bad() [L1835] int data; [L1836] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_square_65b_badSink; [L1837] data = 0 [L1839] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1840] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1842] data = atoi(inputBuffer) [L1839] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1849] CALL funcPtr(data) [L1862] data * data VAL [\old(data)=-2147483648, 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: 1862]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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=24occurred 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 [2022-12-13 18:19:38,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd4b8040-ccab-457b-a03a-c313747761dd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample