./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_06_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_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4620415c97e758de5d8f5678e7aa44f815600de83db57562bf3c00035e5d8e72 --- 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 [2022-12-14 05:33:41,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:33:41,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:33:41,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:33:41,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:33:41,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:33:41,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:33:41,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:33:41,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:33:41,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:33:41,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:33:41,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:33:41,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:33:41,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:33:41,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:33:41,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:33:41,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:33:41,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:33:41,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:33:41,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:33:41,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:33:41,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:33:41,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:33:41,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:33:41,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:33:41,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:33:41,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:33:41,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:33:41,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:33:41,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:33:41,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:33:41,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:33:41,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:33:41,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:33:41,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:33:41,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:33:41,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:33:41,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:33:41,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:33:41,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:33:41,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:33:41,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 05:33:41,155 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:33:41,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:33:41,155 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:33:41,156 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:33:41,156 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:33:41,156 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:33:41,157 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:33:41,157 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:33:41,157 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:33:41,157 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:33:41,157 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:33:41,158 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:33:41,158 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:33:41,158 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:33:41,158 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:33:41,158 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:33:41,159 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:33:41,159 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:33:41,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:33:41,160 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:33:41,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:33:41,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:33:41,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:33:41,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:33:41,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:33:41,161 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 05:33:41,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:33:41,161 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:33:41,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:33:41,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:33:41,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:33:41,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:33:41,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:33:41,162 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:33:41,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:33:41,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:33:41,168 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:33:41,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:33:41,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:33:41,169 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:33:41,169 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4620415c97e758de5d8f5678e7aa44f815600de83db57562bf3c00035e5d8e72 [2022-12-14 05:33:41,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:33:41,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:33:41,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:33:41,387 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:33:41,387 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:33:41,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_06_bad.i [2022-12-14 05:33:44,002 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:33:44,268 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:33:44,269 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_06_bad.i [2022-12-14 05:33:44,287 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/data/9c82d33df/fd98344fbc05453e8ecca09a1e7d6038/FLAG6288d50e8 [2022-12-14 05:33:44,299 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/data/9c82d33df/fd98344fbc05453e8ecca09a1e7d6038 [2022-12-14 05:33:44,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:33:44,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:33:44,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:33:44,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:33:44,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:33:44,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:33:44" (1/1) ... [2022-12-14 05:33:44,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:44, skipping insertion in model container [2022-12-14 05:33:44,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:33:44" (1/1) ... [2022-12-14 05:33:44,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:33:44,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:33:44,595 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:33:44,885 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:33:44,889 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:33:44,891 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:33:44,892 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:33:44,893 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:33:44,907 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 05:33:44,911 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:33:44,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:33:44,920 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:33:44,934 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:33:44,966 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:33:44,968 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:33:44,968 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:33:44,970 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:33:44,971 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:33:44,974 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 05:33:44,975 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:33:44,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:33:45,056 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:33:45,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:45 WrapperNode [2022-12-14 05:33:45,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:33:45,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:33:45,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:33:45,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:33:45,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:45" (1/1) ... [2022-12-14 05:33:45,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:45" (1/1) ... [2022-12-14 05:33:45,092 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-12-14 05:33:45,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:33:45,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:33:45,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:33:45,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:33:45,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:45" (1/1) ... [2022-12-14 05:33:45,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:45" (1/1) ... [2022-12-14 05:33:45,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:45" (1/1) ... [2022-12-14 05:33:45,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:45" (1/1) ... [2022-12-14 05:33:45,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:45" (1/1) ... [2022-12-14 05:33:45,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:45" (1/1) ... [2022-12-14 05:33:45,107 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:45" (1/1) ... [2022-12-14 05:33:45,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:45" (1/1) ... [2022-12-14 05:33:45,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:33:45,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:33:45,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:33:45,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:33:45,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:45" (1/1) ... [2022-12-14 05:33:45,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:33:45,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:33:45,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:33:45,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:33:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 05:33:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 05:33:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 05:33:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:33:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 05:33:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:33:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:33:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:33:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:33:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 05:33:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:33:45,285 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:33:45,287 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:33:45,387 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:33:45,415 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:33:45,415 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 05:33:45,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:33:45 BoogieIcfgContainer [2022-12-14 05:33:45,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:33:45,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:33:45,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:33:45,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:33:45,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:33:44" (1/3) ... [2022-12-14 05:33:45,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f41140a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:33:45, skipping insertion in model container [2022-12-14 05:33:45,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:45" (2/3) ... [2022-12-14 05:33:45,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f41140a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:33:45, skipping insertion in model container [2022-12-14 05:33:45,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:33:45" (3/3) ... [2022-12-14 05:33:45,425 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_06_bad.i [2022-12-14 05:33:45,438 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:33:45,438 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 05:33:45,475 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:33:45,480 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1df45f2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:33:45,480 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 05:33:45,483 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 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) [2022-12-14 05:33:45,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 05:33:45,489 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:45,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:33:45,490 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:33:45,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:45,494 INFO L85 PathProgramCache]: Analyzing trace with hash -970101220, now seen corresponding path program 1 times [2022-12-14 05:33:45,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:33:45,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039367545] [2022-12-14 05:33:45,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:45,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:33:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:45,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:33:45,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:33:45,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039367545] [2022-12-14 05:33:45,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039367545] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:33:45,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:33:45,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:33:45,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919449456] [2022-12-14 05:33:45,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:33:45,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:33:45,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:33:45,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:33:45,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:33:45,719 INFO L87 Difference]: Start difference. First operand has 18 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:33:45,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:45,750 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-12-14 05:33:45,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:33:45,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2022-12-14 05:33:45,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:45,756 INFO L225 Difference]: With dead ends: 29 [2022-12-14 05:33:45,756 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 05:33:45,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:33:45,760 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 17 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:45,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 14 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:33:45,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 05:33:45,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-14 05:33:45,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 11 states have internal predecessors, (11), 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) [2022-12-14 05:33:45,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-14 05:33:45,786 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 8 [2022-12-14 05:33:45,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:45,787 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-14 05:33:45,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:33:45,787 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-14 05:33:45,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 05:33:45,788 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:45,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:33:45,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:33:45,788 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:33:45,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:45,789 INFO L85 PathProgramCache]: Analyzing trace with hash -268937897, now seen corresponding path program 1 times [2022-12-14 05:33:45,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:33:45,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194413293] [2022-12-14 05:33:45,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:45,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:33:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:45,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:33:45,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:33:45,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194413293] [2022-12-14 05:33:45,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194413293] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:33:45,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:33:45,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:33:45,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705202501] [2022-12-14 05:33:45,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:33:45,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:33:45,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:33:45,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:33:45,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:33:45,897 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-12-14 05:33:45,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:45,919 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-12-14 05:33:45,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:33:45,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 10 [2022-12-14 05:33:45,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:45,920 INFO L225 Difference]: With dead ends: 14 [2022-12-14 05:33:45,920 INFO L226 Difference]: Without dead ends: 13 [2022-12-14 05:33:45,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:33:45,921 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 7 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:45,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 20 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:33:45,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-14 05:33:45,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-14 05:33:45,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 10 states have internal predecessors, (10), 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) [2022-12-14 05:33:45,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-14 05:33:45,925 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 10 [2022-12-14 05:33:45,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:45,925 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-14 05:33:45,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-12-14 05:33:45,926 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-14 05:33:45,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 05:33:45,926 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:45,926 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:33:45,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:33:45,927 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:33:45,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:45,927 INFO L85 PathProgramCache]: Analyzing trace with hash 252859848, now seen corresponding path program 1 times [2022-12-14 05:33:45,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:33:45,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153071049] [2022-12-14 05:33:45,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:45,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:33:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:33:45,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:33:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:33:45,985 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 05:33:45,985 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:33:45,986 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 05:33:45,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 05:33:45,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 05:33:45,992 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 05:33:45,995 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:33:46,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:33:46 BoogieIcfgContainer [2022-12-14 05:33:46,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:33:46,018 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:33:46,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:33:46,018 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:33:46,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:33:45" (3/4) ... [2022-12-14 05:33:46,021 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 05:33:46,021 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:33:46,022 INFO L158 Benchmark]: Toolchain (without parser) took 1720.08ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 58.5MB in the beginning and 70.1MB in the end (delta: -11.6MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2022-12-14 05:33:46,022 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:33:46,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 753.98ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 58.5MB in the beginning and 80.1MB in the end (delta: -21.5MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2022-12-14 05:33:46,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.01ms. Allocated memory is still 157.3MB. Free memory was 80.1MB in the beginning and 77.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 05:33:46,024 INFO L158 Benchmark]: Boogie Preprocessor took 17.35ms. Allocated memory is still 157.3MB. Free memory was 77.2MB in the beginning and 75.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:33:46,024 INFO L158 Benchmark]: RCFGBuilder took 307.14ms. Allocated memory is still 157.3MB. Free memory was 75.1MB in the beginning and 113.0MB in the end (delta: -37.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 05:33:46,024 INFO L158 Benchmark]: TraceAbstraction took 597.59ms. Allocated memory is still 157.3MB. Free memory was 112.1MB in the beginning and 70.1MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-12-14 05:33:46,025 INFO L158 Benchmark]: Witness Printer took 3.70ms. Allocated memory is still 157.3MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:33:46,027 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 753.98ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 58.5MB in the beginning and 80.1MB in the end (delta: -21.5MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.01ms. Allocated memory is still 157.3MB. Free memory was 80.1MB in the beginning and 77.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.35ms. Allocated memory is still 157.3MB. Free memory was 77.2MB in the beginning and 75.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 307.14ms. Allocated memory is still 157.3MB. Free memory was 75.1MB in the beginning and 113.0MB in the end (delta: -37.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 597.59ms. Allocated memory is still 157.3MB. Free memory was 112.1MB in the beginning and 70.1MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 3.70ms. Allocated memory is still 157.3MB. Free memory is still 70.1MB. 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1579] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}, STATIC_CONST_FIVE=5] [L1414] COND TRUE line != ((void *)0) [L1579] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483651:2147483650}, argv={2147483651:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1580] CALL CWE190_Integer_Overflow__int_fgets_postinc_06_bad() [L1551] int data; [L1552] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1567] COND TRUE STATIC_CONST_FIVE==5 [L1570] data++ VAL [data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] - UnprovableResult [Line: 1570]: 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 23 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 05:33:46,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/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_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4620415c97e758de5d8f5678e7aa44f815600de83db57562bf3c00035e5d8e72 --- 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 [2022-12-14 05:33:47,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:33:47,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:33:47,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:33:47,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:33:47,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:33:47,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:33:47,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:33:47,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:33:47,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:33:47,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:33:47,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:33:47,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:33:47,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:33:47,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:33:47,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:33:47,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:33:47,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:33:47,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:33:47,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:33:47,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:33:47,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:33:47,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:33:47,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:33:47,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:33:47,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:33:47,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:33:47,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:33:47,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:33:47,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:33:47,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:33:47,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:33:47,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:33:47,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:33:47,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:33:47,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:33:47,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:33:47,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:33:47,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:33:47,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:33:47,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:33:47,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 05:33:47,679 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:33:47,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:33:47,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:33:47,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:33:47,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:33:47,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:33:47,681 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:33:47,681 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:33:47,681 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:33:47,682 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:33:47,682 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:33:47,682 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:33:47,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:33:47,683 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:33:47,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:33:47,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:33:47,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:33:47,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:33:47,684 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 05:33:47,684 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 05:33:47,684 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 05:33:47,685 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 05:33:47,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:33:47,685 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:33:47,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:33:47,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:33:47,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 05:33:47,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:33:47,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:33:47,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:33:47,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:33:47,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:33:47,687 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 05:33:47,687 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 05:33:47,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:33:47,687 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:33:47,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 05:33:47,688 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4620415c97e758de5d8f5678e7aa44f815600de83db57562bf3c00035e5d8e72 [2022-12-14 05:33:47,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:33:47,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:33:47,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:33:47,951 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:33:47,951 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:33:47,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_06_bad.i [2022-12-14 05:33:50,577 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:33:50,835 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:33:50,836 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_06_bad.i [2022-12-14 05:33:50,859 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/data/080f4a3df/a2cd6a95af01410394d6f4b140930b2a/FLAG7a44c183d [2022-12-14 05:33:50,872 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/data/080f4a3df/a2cd6a95af01410394d6f4b140930b2a [2022-12-14 05:33:50,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:33:50,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:33:50,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:33:50,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:33:50,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:33:50,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:33:50" (1/1) ... [2022-12-14 05:33:50,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3318912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:50, skipping insertion in model container [2022-12-14 05:33:50,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:33:50" (1/1) ... [2022-12-14 05:33:50,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:33:50,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:33:51,160 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:33:51,446 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:33:51,450 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:33:51,451 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:33:51,453 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:33:51,453 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:33:51,467 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 05:33:51,471 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:33:51,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:33:51,488 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:33:51,506 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:33:51,552 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:33:51,553 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:33:51,554 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:33:51,556 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:33:51,556 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:33:51,560 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-14 05:33:51,562 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:33:51,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:33:51,703 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:33:51,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:51 WrapperNode [2022-12-14 05:33:51,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:33:51,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:33:51,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:33:51,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:33:51,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:51" (1/1) ... [2022-12-14 05:33:51,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:51" (1/1) ... [2022-12-14 05:33:51,740 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-12-14 05:33:51,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:33:51,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:33:51,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:33:51,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:33:51,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:51" (1/1) ... [2022-12-14 05:33:51,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:51" (1/1) ... [2022-12-14 05:33:51,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:51" (1/1) ... [2022-12-14 05:33:51,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:51" (1/1) ... [2022-12-14 05:33:51,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:51" (1/1) ... [2022-12-14 05:33:51,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:51" (1/1) ... [2022-12-14 05:33:51,758 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:51" (1/1) ... [2022-12-14 05:33:51,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:51" (1/1) ... [2022-12-14 05:33:51,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:33:51,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:33:51,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:33:51,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:33:51,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:51" (1/1) ... [2022-12-14 05:33:51,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:33:51,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:33:51,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:33:51,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:33:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-14 05:33:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 05:33:51,816 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 05:33:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:33:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 05:33:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:33:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:33:51,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:33:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:33:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 05:33:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-14 05:33:51,940 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:33:51,941 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:33:52,057 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:33:52,063 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:33:52,063 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 05:33:52,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:33:52 BoogieIcfgContainer [2022-12-14 05:33:52,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:33:52,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:33:52,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:33:52,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:33:52,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:33:50" (1/3) ... [2022-12-14 05:33:52,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e307608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:33:52, skipping insertion in model container [2022-12-14 05:33:52,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:33:51" (2/3) ... [2022-12-14 05:33:52,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e307608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:33:52, skipping insertion in model container [2022-12-14 05:33:52,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:33:52" (3/3) ... [2022-12-14 05:33:52,073 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_06_bad.i [2022-12-14 05:33:52,092 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:33:52,092 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 05:33:52,131 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:33:52,137 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@50021bf3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:33:52,137 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 05:33:52,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 05:33:52,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 05:33:52,146 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:52,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:33:52,147 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:33:52,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:52,152 INFO L85 PathProgramCache]: Analyzing trace with hash -152054014, now seen corresponding path program 1 times [2022-12-14 05:33:52,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:33:52,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1041920154] [2022-12-14 05:33:52,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:52,163 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 [2022-12-14 05:33:52,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:33:52,164 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:33:52,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:33:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:52,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 05:33:52,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:33:52,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:33:52,294 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:33:52,294 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:33:52,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1041920154] [2022-12-14 05:33:52,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1041920154] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:33:52,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:33:52,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 05:33:52,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780021145] [2022-12-14 05:33:52,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:33:52,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 05:33:52,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:33:52,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 05:33:52,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:33:52,325 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:33:52,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:52,341 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2022-12-14 05:33:52,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 05:33:52,343 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-14 05:33:52,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:52,349 INFO L225 Difference]: With dead ends: 24 [2022-12-14 05:33:52,349 INFO L226 Difference]: Without dead ends: 16 [2022-12-14 05:33:52,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:33:52,355 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:52,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:33:52,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-14 05:33:52,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-14 05:33:52,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 05:33:52,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-12-14 05:33:52,385 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 11 [2022-12-14 05:33:52,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:52,386 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-12-14 05:33:52,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:33:52,386 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-12-14 05:33:52,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 05:33:52,387 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:52,387 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:33:52,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:33:52,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:33:52,590 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:33:52,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:52,593 INFO L85 PathProgramCache]: Analyzing trace with hash -418707075, now seen corresponding path program 1 times [2022-12-14 05:33:52,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:33:52,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157471639] [2022-12-14 05:33:52,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:52,599 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 [2022-12-14 05:33:52,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:33:52,602 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:33:52,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:33:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:52,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:33:52,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:33:52,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:33:52,770 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:33:52,771 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:33:52,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157471639] [2022-12-14 05:33:52,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157471639] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:33:52,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:33:52,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:33:52,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070841344] [2022-12-14 05:33:52,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:33:52,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:33:52,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:33:52,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:33:52,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:33:52,774 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:33:52,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:52,786 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2022-12-14 05:33:52,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:33:52,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-14 05:33:52,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:52,787 INFO L225 Difference]: With dead ends: 20 [2022-12-14 05:33:52,787 INFO L226 Difference]: Without dead ends: 16 [2022-12-14 05:33:52,788 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 [2022-12-14 05:33:52,789 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:52,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 16 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:33:52,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-14 05:33:52,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-14 05:33:52,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 05:33:52,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-12-14 05:33:52,794 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 12 [2022-12-14 05:33:52,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:52,795 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-12-14 05:33:52,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:33:52,795 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-14 05:33:52,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 05:33:52,796 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:52,796 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:33:52,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:33:52,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:33:52,998 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:33:53,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:53,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1052736290, now seen corresponding path program 1 times [2022-12-14 05:33:53,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:33:53,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637999102] [2022-12-14 05:33:53,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:53,004 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 [2022-12-14 05:33:53,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:33:53,008 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:33:53,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-14 05:33:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:33:53,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:33:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:33:53,177 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 05:33:53,177 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:33:53,178 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 05:33:53,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 05:33:53,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-12-14 05:33:53,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:33:53,391 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 05:33:53,400 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:33:53,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:33:53 BoogieIcfgContainer [2022-12-14 05:33:53,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:33:53,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:33:53,463 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:33:53,463 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:33:53,464 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:33:52" (3/4) ... [2022-12-14 05:33:53,468 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 05:33:53,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:33:53,469 INFO L158 Benchmark]: Toolchain (without parser) took 2593.97ms. Allocated memory is still 81.8MB. Free memory was 62.0MB in the beginning and 30.2MB in the end (delta: 31.8MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2022-12-14 05:33:53,470 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:33:53,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 827.24ms. Allocated memory is still 81.8MB. Free memory was 61.7MB in the beginning and 41.2MB in the end (delta: 20.5MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2022-12-14 05:33:53,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.33ms. Allocated memory is still 81.8MB. Free memory was 41.2MB in the beginning and 38.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:33:53,472 INFO L158 Benchmark]: Boogie Preprocessor took 20.19ms. Allocated memory is still 81.8MB. Free memory was 38.3MB in the beginning and 36.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:33:53,472 INFO L158 Benchmark]: RCFGBuilder took 303.48ms. Allocated memory is still 81.8MB. Free memory was 36.2MB in the beginning and 46.2MB in the end (delta: -10.0MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-12-14 05:33:53,473 INFO L158 Benchmark]: TraceAbstraction took 1395.07ms. Allocated memory is still 81.8MB. Free memory was 45.4MB in the beginning and 30.6MB in the end (delta: 14.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2022-12-14 05:33:53,473 INFO L158 Benchmark]: Witness Printer took 5.85ms. Allocated memory is still 81.8MB. Free memory was 30.6MB in the beginning and 30.2MB in the end (delta: 455.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:33:53,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 827.24ms. Allocated memory is still 81.8MB. Free memory was 61.7MB in the beginning and 41.2MB in the end (delta: 20.5MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.33ms. Allocated memory is still 81.8MB. Free memory was 41.2MB in the beginning and 38.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.19ms. Allocated memory is still 81.8MB. Free memory was 38.3MB in the beginning and 36.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 303.48ms. Allocated memory is still 81.8MB. Free memory was 36.2MB in the beginning and 46.2MB in the end (delta: -10.0MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1395.07ms. Allocated memory is still 81.8MB. Free memory was 45.4MB in the beginning and 30.6MB in the end (delta: 14.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Witness Printer took 5.85ms. Allocated memory is still 81.8MB. Free memory was 30.6MB in the beginning and 30.2MB in the end (delta: 455.1kB). 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1579] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}, STATIC_CONST_FIVE=5] [L1414] COND TRUE line != ((void *)0) [L1579] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1580] CALL CWE190_Integer_Overflow__int_fgets_postinc_06_bad() [L1551] int data; [L1552] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] [L1567] COND TRUE STATIC_CONST_FIVE==5 [L1570] data++ VAL [data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FIVE=5] - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 44 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 99 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 05:33:53,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8111a26-2d81-4811-9d69-6cc0b44fd992/bin/utaipan-gh47qXpMRh/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