./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_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_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/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_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/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_05ff67e0-2785-486e-86f3-cb9273d8dcb7/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 c01bf64283f24db5109bd67f2495754004ac7861f5a753a7a5eef8291688cf79 --- 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 21:51:51,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:51:51,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:51:51,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:51:51,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:51:51,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:51:51,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:51:51,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:51:51,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:51:51,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:51:51,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:51:51,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:51:51,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:51:51,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:51:51,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:51:51,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:51:51,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:51:51,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:51:51,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:51:51,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:51:51,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:51:51,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:51:51,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:51:51,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:51:51,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:51:51,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:51:51,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:51:51,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:51:51,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:51:51,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:51:51,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:51:51,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:51:51,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:51:51,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:51:51,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:51:51,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:51:51,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:51:51,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:51:51,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:51:51,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:51:51,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:51:51,141 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 21:51:51,167 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:51:51,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:51:51,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:51:51,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:51:51,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:51:51,182 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:51:51,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:51:51,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:51:51,183 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:51:51,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:51:51,183 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:51:51,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:51:51,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:51:51,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:51:51,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:51:51,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:51:51,184 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 21:51:51,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:51:51,184 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:51:51,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:51:51,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:51:51,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:51:51,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:51:51,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:51:51,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:51:51,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:51:51,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:51:51,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:51:51,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:51:51,186 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:51:51,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:51:51,186 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:51:51,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:51:51,187 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:51:51,187 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_05ff67e0-2785-486e-86f3-cb9273d8dcb7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c01bf64283f24db5109bd67f2495754004ac7861f5a753a7a5eef8291688cf79 [2022-12-13 21:51:51,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:51:51,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:51:51,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:51:51,399 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:51:51,399 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:51:51,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i [2022-12-13 21:51:53,951 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:51:54,205 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:51:54,206 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i [2022-12-13 21:51:54,221 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/data/ac13d9985/06466c5a7f69441b8ebf3abcd9c0631d/FLAGf4d8b8853 [2022-12-13 21:51:54,233 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/data/ac13d9985/06466c5a7f69441b8ebf3abcd9c0631d [2022-12-13 21:51:54,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:51:54,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:51:54,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:51:54,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:51:54,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:51:54,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:51:54" (1/1) ... [2022-12-13 21:51:54,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb9f53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:54, skipping insertion in model container [2022-12-13 21:51:54,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:51:54" (1/1) ... [2022-12-13 21:51:54,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:51:54,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:51:54,545 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:51:54,846 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:51:54,850 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:51:54,851 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:51:54,853 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:51:54,853 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:51:54,870 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 21:51:54,872 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:51:54,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:51:54,883 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:51:54,897 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:51:54,943 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:51:54,945 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:51:54,946 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:51:54,948 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:51:54,949 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:51:54,953 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 21:51:54,955 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:51:54,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:51:55,046 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:51:55,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:55 WrapperNode [2022-12-13 21:51:55,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:51:55,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:51:55,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:51:55,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:51:55,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:55" (1/1) ... [2022-12-13 21:51:55,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:55" (1/1) ... [2022-12-13 21:51:55,095 INFO L138 Inliner]: procedures = 501, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2022-12-13 21:51:55,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:51:55,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:51:55,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:51:55,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:51:55,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:55" (1/1) ... [2022-12-13 21:51:55,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:55" (1/1) ... [2022-12-13 21:51:55,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:55" (1/1) ... [2022-12-13 21:51:55,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:55" (1/1) ... [2022-12-13 21:51:55,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:55" (1/1) ... [2022-12-13 21:51:55,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:55" (1/1) ... [2022-12-13 21:51:55,118 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:55" (1/1) ... [2022-12-13 21:51:55,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:55" (1/1) ... [2022-12-13 21:51:55,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:51:55,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:51:55,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:51:55,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:51:55,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:55" (1/1) ... [2022-12-13 21:51:55,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:51:55,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:51:55,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:51:55,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:51:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 21:51:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 21:51:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 21:51:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:51:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 21:51:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:51:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:51:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:51:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:51:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:51:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 21:51:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:51:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:51:55,300 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:51:55,302 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:51:55,415 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:51:55,419 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:51:55,419 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 21:51:55,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:51:55 BoogieIcfgContainer [2022-12-13 21:51:55,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:51:55,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:51:55,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:51:55,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:51:55,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:51:54" (1/3) ... [2022-12-13 21:51:55,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4549ed8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:51:55, skipping insertion in model container [2022-12-13 21:51:55,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:51:55" (2/3) ... [2022-12-13 21:51:55,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4549ed8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:51:55, skipping insertion in model container [2022-12-13 21:51:55,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:51:55" (3/3) ... [2022-12-13 21:51:55,427 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i [2022-12-13 21:51:55,440 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:51:55,441 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 21:51:55,482 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:51:55,486 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;@6e09c94, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:51:55,486 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 21:51:55,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 21:51:55,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 21:51:55,495 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:55,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:55,495 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 21:51:55,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:55,499 INFO L85 PathProgramCache]: Analyzing trace with hash 252523526, now seen corresponding path program 1 times [2022-12-13 21:51:55,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:55,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129613057] [2022-12-13 21:51:55,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:55,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:55,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:51:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:51:55,712 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 21:51:55,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:51:55,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129613057] [2022-12-13 21:51:55,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129613057] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:51:55,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:51:55,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:51:55,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545253516] [2022-12-13 21:51:55,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:51:55,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:51:55,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:51:55,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:51:55,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:51:55,741 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:55,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:51:55,765 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2022-12-13 21:51:55,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:51:55,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 21:51:55,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:51:55,772 INFO L225 Difference]: With dead ends: 31 [2022-12-13 21:51:55,772 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 21:51:55,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:51:55,776 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 9 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:51:55,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 52 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:51:55,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 21:51:55,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 21:51:55,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 21:51:55,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-12-13 21:51:55,800 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2022-12-13 21:51:55,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:51:55,801 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-12-13 21:51:55,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:51:55,802 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-13 21:51:55,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 21:51:55,802 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:51:55,802 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:51:55,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:51:55,803 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 21:51:55,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:51:55,804 INFO L85 PathProgramCache]: Analyzing trace with hash -761705229, now seen corresponding path program 1 times [2022-12-13 21:51:55,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:51:55,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526896973] [2022-12-13 21:51:55,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:51:55,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:51:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:51:55,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:51:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:51:55,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:51:55,869 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:51:55,870 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 21:51:55,872 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 21:51:55,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:51:55,875 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 21:51:55,877 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:51:55,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:51:55 BoogieIcfgContainer [2022-12-13 21:51:55,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:51:55,896 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:51:55,896 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:51:55,896 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:51:55,897 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:51:55" (3/4) ... [2022-12-13 21:51:55,899 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 21:51:55,899 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:51:55,900 INFO L158 Benchmark]: Toolchain (without parser) took 1662.89ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 77.7MB in the beginning and 103.7MB in the end (delta: -26.0MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2022-12-13 21:51:55,900 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:51:55,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 809.14ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 77.4MB in the beginning and 104.8MB in the end (delta: -27.4MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2022-12-13 21:51:55,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.26ms. Allocated memory is still 172.0MB. Free memory was 104.8MB in the beginning and 102.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:51:55,901 INFO L158 Benchmark]: Boogie Preprocessor took 26.21ms. Allocated memory is still 172.0MB. Free memory was 102.0MB in the beginning and 100.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:51:55,901 INFO L158 Benchmark]: RCFGBuilder took 298.18ms. Allocated memory is still 172.0MB. Free memory was 100.6MB in the beginning and 86.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 21:51:55,902 INFO L158 Benchmark]: TraceAbstraction took 472.91ms. Allocated memory is still 172.0MB. Free memory was 86.0MB in the beginning and 103.7MB in the end (delta: -17.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:51:55,902 INFO L158 Benchmark]: Witness Printer took 3.26ms. Allocated memory is still 172.0MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:51:55,904 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 809.14ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 77.4MB in the beginning and 104.8MB in the end (delta: -27.4MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.26ms. Allocated memory is still 172.0MB. Free memory was 104.8MB in the beginning and 102.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.21ms. Allocated memory is still 172.0MB. Free memory was 102.0MB in the beginning and 100.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 298.18ms. Allocated memory is still 172.0MB. Free memory was 100.6MB in the beginning and 86.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 472.91ms. Allocated memory is still 172.0MB. Free memory was 86.0MB in the beginning and 103.7MB in the end (delta: -17.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.26ms. Allocated memory is still 172.0MB. Free memory is still 103.7MB. 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: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=1073741834, argc=1073741834, argv={1073741829:1073741835}, argv={1073741829:1073741835}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1577] COND TRUE data > 0 VAL [data=1073741824, dataPtr={7:0}, dataPtr={7:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] data * 2 VAL [data=1073741824, dataPtr={7:0}, dataPtr={7:0}, 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: 1579]: 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: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 31 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 21:51:55,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/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_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/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_05ff67e0-2785-486e-86f3-cb9273d8dcb7/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 c01bf64283f24db5109bd67f2495754004ac7861f5a753a7a5eef8291688cf79 --- 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 21:51:57,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:51:57,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:51:57,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:51:57,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:51:57,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:51:57,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:51:57,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:51:57,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:51:57,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:51:57,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:51:57,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:51:57,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:51:57,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:51:57,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:51:57,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:51:57,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:51:57,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:51:57,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:51:57,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:51:57,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:51:57,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:51:57,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:51:57,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:51:57,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:51:57,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:51:57,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:51:57,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:51:57,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:51:57,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:51:57,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:51:57,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:51:57,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:51:57,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:51:57,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:51:57,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:51:57,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:51:57,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:51:57,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:51:57,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:51:57,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:51:57,745 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 21:51:57,766 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:51:57,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:51:57,767 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:51:57,767 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:51:57,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:51:57,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:51:57,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:51:57,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:51:57,769 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:51:57,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:51:57,769 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:51:57,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:51:57,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:51:57,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:51:57,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:51:57,770 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 21:51:57,770 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 21:51:57,770 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 21:51:57,770 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 21:51:57,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:51:57,770 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:51:57,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:51:57,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:51:57,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:51:57,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:51:57,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:51:57,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:51:57,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:51:57,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:51:57,772 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 21:51:57,772 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 21:51:57,772 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:51:57,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:51:57,773 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:51:57,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:51:57,773 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 21:51:57,773 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:51:57,773 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_05ff67e0-2785-486e-86f3-cb9273d8dcb7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c01bf64283f24db5109bd67f2495754004ac7861f5a753a7a5eef8291688cf79 [2022-12-13 21:51:57,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:51:57,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:51:57,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:51:57,997 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:51:57,997 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:51:57,998 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i [2022-12-13 21:52:00,634 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:52:00,900 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:52:00,900 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i [2022-12-13 21:52:00,915 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/data/4b087fd06/a71c1f6a7eef4763b741842cac539db7/FLAGebd808a52 [2022-12-13 21:52:00,929 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/data/4b087fd06/a71c1f6a7eef4763b741842cac539db7 [2022-12-13 21:52:00,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:52:00,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:52:00,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:52:00,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:52:00,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:52:00,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:52:00" (1/1) ... [2022-12-13 21:52:00,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6329bb8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:00, skipping insertion in model container [2022-12-13 21:52:00,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:52:00" (1/1) ... [2022-12-13 21:52:00,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:52:00,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:52:01,210 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:52:01,504 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:52:01,509 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:52:01,510 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:52:01,511 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:52:01,512 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:52:01,530 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 21:52:01,533 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:52:01,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:52:01,547 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:52:01,576 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 21:52:01,629 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 21:52:01,630 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:52:01,631 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 21:52:01,633 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:52:01,634 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 21:52:01,638 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 21:52:01,639 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 21:52:01,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:52:01,761 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:52:01,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:01 WrapperNode [2022-12-13 21:52:01,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:52:01,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:52:01,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:52:01,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:52:01,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:01" (1/1) ... [2022-12-13 21:52:01,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:01" (1/1) ... [2022-12-13 21:52:01,810 INFO L138 Inliner]: procedures = 506, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2022-12-13 21:52:01,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:52:01,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:52:01,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:52:01,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:52:01,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:01" (1/1) ... [2022-12-13 21:52:01,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:01" (1/1) ... [2022-12-13 21:52:01,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:01" (1/1) ... [2022-12-13 21:52:01,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:01" (1/1) ... [2022-12-13 21:52:01,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:01" (1/1) ... [2022-12-13 21:52:01,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:01" (1/1) ... [2022-12-13 21:52:01,835 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:01" (1/1) ... [2022-12-13 21:52:01,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:01" (1/1) ... [2022-12-13 21:52:01,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:52:01,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:52:01,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:52:01,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:52:01,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:01" (1/1) ... [2022-12-13 21:52:01,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:52:01,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:52:01,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:52:01,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:52:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 21:52:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 21:52:01,891 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 21:52:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:52:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 21:52:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:52:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:52:01,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:52:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 21:52:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:52:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 21:52:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 21:52:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 21:52:02,030 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:52:02,032 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:52:02,192 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:52:02,199 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:52:02,199 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 21:52:02,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:52:02 BoogieIcfgContainer [2022-12-13 21:52:02,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:52:02,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:52:02,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:52:02,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:52:02,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:52:00" (1/3) ... [2022-12-13 21:52:02,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a497939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:52:02, skipping insertion in model container [2022-12-13 21:52:02,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:52:01" (2/3) ... [2022-12-13 21:52:02,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a497939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:52:02, skipping insertion in model container [2022-12-13 21:52:02,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:52:02" (3/3) ... [2022-12-13 21:52:02,209 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i [2022-12-13 21:52:02,224 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:52:02,224 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 21:52:02,263 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:52:02,270 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;@34e8f078, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:52:02,270 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 21:52:02,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 21:52:02,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 21:52:02,281 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:52:02,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:52:02,282 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 21:52:02,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:52:02,286 INFO L85 PathProgramCache]: Analyzing trace with hash 252523526, now seen corresponding path program 1 times [2022-12-13 21:52:02,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:52:02,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1346980883] [2022-12-13 21:52:02,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:52:02,300 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 21:52:02,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:52:02,301 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/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 21:52:02,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/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 21:52:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:52:02,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:52:02,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:52:02,446 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 21:52:02,446 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:52:02,447 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:52:02,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1346980883] [2022-12-13 21:52:02,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1346980883] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:52:02,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:52:02,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:52:02,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588468716] [2022-12-13 21:52:02,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:52:02,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:52:02,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:52:02,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:52:02,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:52:02,475 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:52:02,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:52:02,501 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2022-12-13 21:52:02,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:52:02,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 21:52:02,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:52:02,508 INFO L225 Difference]: With dead ends: 31 [2022-12-13 21:52:02,509 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 21:52:02,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:52:02,513 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 9 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:52:02,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 49 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:52:02,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 21:52:02,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 21:52:02,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 21:52:02,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-12-13 21:52:02,540 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2022-12-13 21:52:02,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:52:02,541 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-12-13 21:52:02,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 21:52:02,541 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-13 21:52:02,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 21:52:02,542 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:52:02,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:52:02,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/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 21:52:02,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/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 21:52:02,743 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 21:52:02,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:52:02,744 INFO L85 PathProgramCache]: Analyzing trace with hash -761705229, now seen corresponding path program 1 times [2022-12-13 21:52:02,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:52:02,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1470880918] [2022-12-13 21:52:02,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:52:02,745 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 21:52:02,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:52:02,746 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/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 21:52:02,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 21:52:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:52:02,866 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:52:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:52:02,939 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 21:52:02,939 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:52:02,941 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 21:52:02,942 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 21:52:02,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 21:52:03,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/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 21:52:03,153 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 21:52:03,163 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:52:03,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:52:03 BoogieIcfgContainer [2022-12-13 21:52:03,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:52:03,242 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:52:03,242 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:52:03,243 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:52:03,244 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:52:02" (3/4) ... [2022-12-13 21:52:03,252 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 21:52:03,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:52:03,254 INFO L158 Benchmark]: Toolchain (without parser) took 2320.16ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 65.0MB in the beginning and 80.4MB in the end (delta: -15.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-12-13 21:52:03,256 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 36.4MB in the beginning and 36.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:52:03,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 827.67ms. Allocated memory is still 90.2MB. Free memory was 64.7MB in the beginning and 53.3MB in the end (delta: 11.4MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2022-12-13 21:52:03,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.82ms. Allocated memory is still 90.2MB. Free memory was 53.3MB in the beginning and 50.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:52:03,259 INFO L158 Benchmark]: Boogie Preprocessor took 29.09ms. Allocated memory is still 90.2MB. Free memory was 50.1MB in the beginning and 48.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:52:03,261 INFO L158 Benchmark]: RCFGBuilder took 359.95ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 48.0MB in the beginning and 79.3MB in the end (delta: -31.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-12-13 21:52:03,262 INFO L158 Benchmark]: TraceAbstraction took 1037.33ms. Allocated memory is still 109.1MB. Free memory was 78.6MB in the beginning and 80.4MB in the end (delta: -1.8MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-12-13 21:52:03,263 INFO L158 Benchmark]: Witness Printer took 10.56ms. Allocated memory is still 109.1MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:52:03,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 36.4MB in the beginning and 36.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 827.67ms. Allocated memory is still 90.2MB. Free memory was 64.7MB in the beginning and 53.3MB in the end (delta: 11.4MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.82ms. Allocated memory is still 90.2MB. Free memory was 53.3MB in the beginning and 50.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.09ms. Allocated memory is still 90.2MB. Free memory was 50.1MB in the beginning and 48.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 359.95ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 48.0MB in the beginning and 79.3MB in the end (delta: -31.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1037.33ms. Allocated memory is still 109.1MB. Free memory was 78.6MB in the beginning and 80.4MB in the end (delta: -1.8MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * Witness Printer took 10.56ms. Allocated memory is still 109.1MB. Free memory is still 80.4MB. 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: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1577] COND TRUE data > 0 VAL [data=1073741824, dataPtr={7:0}, dataPtr={7:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] data * 2 VAL [data=1073741824, dataPtr={7:0}, dataPtr={7:0}, 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: 1579]: 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 28 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 94 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 21:52:03,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ff67e0-2785-486e-86f3-cb9273d8dcb7/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