./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_10_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/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_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/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_edc97158-a964-47d5-8c15-455313761b15/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 51b146bbbc1a2f61e087916c17d4fa347c9e0b57140c0f9c0627bb17a3ff7e9e --- 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 12:51:46,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:51:46,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:51:46,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:51:46,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:51:46,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:51:46,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:51:46,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:51:46,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:51:46,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:51:46,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:51:46,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:51:46,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:51:46,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:51:46,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:51:46,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:51:46,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:51:46,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:51:46,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:51:46,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:51:46,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:51:46,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:51:46,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:51:46,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:51:46,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:51:46,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:51:46,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:51:46,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:51:46,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:51:46,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:51:46,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:51:46,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:51:46,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:51:46,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:51:46,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:51:46,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:51:46,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:51:46,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:51:46,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:51:46,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:51:46,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:51:46,959 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 12:51:46,980 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:51:46,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:51:46,980 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:51:46,980 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:51:46,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:51:46,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:51:46,981 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:51:46,981 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:51:46,982 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:51:46,982 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:51:46,982 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:51:46,982 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:51:46,982 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:51:46,982 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:51:46,982 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:51:46,983 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:51:46,983 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:51:46,983 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:51:46,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:51:46,984 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:51:46,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:51:46,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:51:46,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:51:46,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:51:46,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:51:46,985 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 12:51:46,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:51:46,985 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:51:46,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:51:46,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:51:46,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:51:46,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:51:46,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:51:46,986 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:51:46,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:51:46,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:51:46,987 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:51:46,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:51:46,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:51:46,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:51:46,987 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_edc97158-a964-47d5-8c15-455313761b15/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51b146bbbc1a2f61e087916c17d4fa347c9e0b57140c0f9c0627bb17a3ff7e9e [2022-12-14 12:51:47,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:51:47,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:51:47,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:51:47,210 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:51:47,211 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:51:47,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_10_bad.i [2022-12-14 12:51:49,898 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:51:50,213 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:51:50,213 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_10_bad.i [2022-12-14 12:51:50,235 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/data/a37244efc/57ed45ddcddc4ca9b4c35b0a9ca92fda/FLAG3faddf954 [2022-12-14 12:51:50,248 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/data/a37244efc/57ed45ddcddc4ca9b4c35b0a9ca92fda [2022-12-14 12:51:50,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:51:50,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:51:50,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:51:50,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:51:50,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:51:50,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:51:50" (1/1) ... [2022-12-14 12:51:50,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1def003c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:50, skipping insertion in model container [2022-12-14 12:51:50,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:51:50" (1/1) ... [2022-12-14 12:51:50,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:51:50,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:51:50,642 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:51:51,024 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:51:51,028 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:51:51,030 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:51:51,033 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:51:51,033 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:51:51,422 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:51:51,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:51:51,431 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:51:51,448 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:51:51,497 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:51:51,499 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:51:51,506 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:51:51,508 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:51:51,509 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:51:51,520 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:51:51,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:51:51,723 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:51:51,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:51 WrapperNode [2022-12-14 12:51:51,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:51:51,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:51:51,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:51:51,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:51:51,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:51" (1/1) ... [2022-12-14 12:51:51,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:51" (1/1) ... [2022-12-14 12:51:51,779 INFO L138 Inliner]: procedures = 937, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-12-14 12:51:51,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:51:51,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:51:51,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:51:51,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:51:51,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:51" (1/1) ... [2022-12-14 12:51:51,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:51" (1/1) ... [2022-12-14 12:51:51,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:51" (1/1) ... [2022-12-14 12:51:51,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:51" (1/1) ... [2022-12-14 12:51:51,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:51" (1/1) ... [2022-12-14 12:51:51,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:51" (1/1) ... [2022-12-14 12:51:51,802 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:51" (1/1) ... [2022-12-14 12:51:51,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:51" (1/1) ... [2022-12-14 12:51:51,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:51:51,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:51:51,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:51:51,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:51:51,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:51" (1/1) ... [2022-12-14 12:51:51,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:51:51,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:51:51,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:51:51,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:51:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:51:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:51:51,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:51:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 12:51:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 12:51:51,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 12:51:51,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:51:51,983 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:51:51,985 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:51:52,108 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:51:52,188 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:51:52,189 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 12:51:52,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:51:52 BoogieIcfgContainer [2022-12-14 12:51:52,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:51:52,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:51:52,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:51:52,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:51:52,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:51:50" (1/3) ... [2022-12-14 12:51:52,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ffecd80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:51:52, skipping insertion in model container [2022-12-14 12:51:52,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:51" (2/3) ... [2022-12-14 12:51:52,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ffecd80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:51:52, skipping insertion in model container [2022-12-14 12:51:52,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:51:52" (3/3) ... [2022-12-14 12:51:52,199 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_10_bad.i [2022-12-14 12:51:52,215 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:51:52,216 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 12:51:52,260 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:51:52,267 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;@6452bde, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:51:52,267 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 12:51:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 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 12:51:52,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 12:51:52,278 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:51:52,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:51:52,279 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:51:52,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:51:52,284 INFO L85 PathProgramCache]: Analyzing trace with hash 187075661, now seen corresponding path program 1 times [2022-12-14 12:51:52,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:51:52,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536057743] [2022-12-14 12:51:52,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:51:52,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:51:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:51:52,496 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 12:51:52,496 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:51:52,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536057743] [2022-12-14 12:51:52,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536057743] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:51:52,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:51:52,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 12:51:52,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159483803] [2022-12-14 12:51:52,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:51:52,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 12:51:52,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:51:52,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 12:51:52,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:51:52,532 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 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) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 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 12:51:52,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:51:52,566 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-12-14 12:51:52,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 12:51:52,569 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 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 7 [2022-12-14 12:51:52,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:51:52,574 INFO L225 Difference]: With dead ends: 14 [2022-12-14 12:51:52,575 INFO L226 Difference]: Without dead ends: 9 [2022-12-14 12:51:52,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:51:52,581 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:51:52,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:51:52,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-12-14 12:51:52,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-14 12:51:52,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 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 12:51:52,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-12-14 12:51:52,611 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-12-14 12:51:52,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:51:52,611 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-12-14 12:51:52,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 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 12:51:52,612 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-12-14 12:51:52,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 12:51:52,612 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:51:52,612 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:51:52,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:51:52,613 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:51:52,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:51:52,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1504378257, now seen corresponding path program 1 times [2022-12-14 12:51:52,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:51:52,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915725259] [2022-12-14 12:51:52,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:51:52,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:51:52,647 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:51:52,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1358042826] [2022-12-14 12:51:52,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:51:52,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:51:52,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:51:52,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:51:52,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:51:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:51:52,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 12:51:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:51:52,775 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 12:51:52,776 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 12:51:52,778 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 12:51:52,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 12:51:52,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:51:52,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:51:52,987 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 12:51:52,994 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:51:53,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:51:53 BoogieIcfgContainer [2022-12-14 12:51:53,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:51:53,058 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:51:53,058 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:51:53,058 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:51:53,059 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:51:52" (3/4) ... [2022-12-14 12:51:53,062 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 12:51:53,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:51:53,063 INFO L158 Benchmark]: Toolchain (without parser) took 2810.86ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 81.0MB in the beginning and 95.3MB in the end (delta: -14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 12:51:53,064 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 96.5MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:51:53,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1470.23ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 81.0MB in the beginning and 94.4MB in the end (delta: -13.4MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2022-12-14 12:51:53,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.51ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 90.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 12:51:53,065 INFO L158 Benchmark]: Boogie Preprocessor took 25.43ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 89.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:51:53,066 INFO L158 Benchmark]: RCFGBuilder took 384.54ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 68.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 12:51:53,066 INFO L158 Benchmark]: TraceAbstraction took 863.70ms. Allocated memory is still 142.6MB. Free memory was 67.2MB in the beginning and 95.3MB in the end (delta: -28.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:51:53,067 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 142.6MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:51:53,069 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 96.5MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1470.23ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 81.0MB in the beginning and 94.4MB in the end (delta: -13.4MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.51ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 90.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.43ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 89.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 384.54ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 68.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 863.70ms. Allocated memory is still 142.6MB. Free memory was 67.2MB in the beginning and 95.3MB in the end (delta: -28.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 142.6MB. Free memory is still 95.3MB. 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: 1843]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1838, overapproximation of bitwiseAnd at line 1838. 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); [L1851] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1851] RET printLine("Calling bad()...") VAL [\old(argc)=13, argc=13, argv={14:12}, argv={14:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1852] CALL CWE190_Integer_Overflow__int_rand_square_10_bad() [L1834] int data; [L1835] data = 0 [L1836] COND TRUE \read(globalTrue) [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1838] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1840] COND TRUE \read(globalTrue) VAL [data=-65537, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=0] [L1843] data * data VAL [data=-65537, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=0] - UnprovableResult [Line: 1843]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 9 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 12:51:53,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/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_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/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_edc97158-a964-47d5-8c15-455313761b15/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 51b146bbbc1a2f61e087916c17d4fa347c9e0b57140c0f9c0627bb17a3ff7e9e --- 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 12:51:54,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:51:54,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:51:54,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:51:54,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:51:54,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:51:54,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:51:54,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:51:54,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:51:54,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:51:54,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:51:54,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:51:54,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:51:54,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:51:54,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:51:54,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:51:54,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:51:54,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:51:54,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:51:54,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:51:54,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:51:54,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:51:54,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:51:54,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:51:54,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:51:54,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:51:54,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:51:54,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:51:54,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:51:54,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:51:54,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:51:54,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:51:54,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:51:54,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:51:54,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:51:54,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:51:54,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:51:54,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:51:54,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:51:54,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:51:54,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:51:54,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 12:51:54,888 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:51:54,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:51:54,889 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:51:54,889 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:51:54,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:51:54,890 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:51:54,890 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:51:54,890 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:51:54,890 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:51:54,890 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:51:54,891 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:51:54,891 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:51:54,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:51:54,892 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:51:54,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:51:54,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:51:54,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:51:54,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:51:54,893 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 12:51:54,893 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 12:51:54,893 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 12:51:54,893 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 12:51:54,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:51:54,894 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:51:54,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:51:54,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:51:54,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 12:51:54,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:51:54,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:51:54,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:51:54,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:51:54,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:51:54,900 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 12:51:54,900 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 12:51:54,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:51:54,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:51:54,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 12:51:54,901 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_edc97158-a964-47d5-8c15-455313761b15/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51b146bbbc1a2f61e087916c17d4fa347c9e0b57140c0f9c0627bb17a3ff7e9e [2022-12-14 12:51:55,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:51:55,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:51:55,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:51:55,148 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:51:55,148 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:51:55,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_10_bad.i [2022-12-14 12:51:57,805 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:51:58,027 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:51:58,027 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_10_bad.i [2022-12-14 12:51:58,043 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/data/1ec80b11f/e9db11ced1f641e98c45810f4e06cffb/FLAG67eaad331 [2022-12-14 12:51:58,054 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/data/1ec80b11f/e9db11ced1f641e98c45810f4e06cffb [2022-12-14 12:51:58,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:51:58,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:51:58,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:51:58,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:51:58,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:51:58,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:51:58" (1/1) ... [2022-12-14 12:51:58,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2efce0ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:58, skipping insertion in model container [2022-12-14 12:51:58,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:51:58" (1/1) ... [2022-12-14 12:51:58,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:51:58,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:51:58,439 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:51:58,844 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:51:58,848 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:51:58,849 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:51:58,850 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:51:58,851 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:51:59,145 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:51:59,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:51:59,154 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:51:59,167 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:51:59,198 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:51:59,199 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:51:59,200 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:51:59,203 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:51:59,203 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:51:59,216 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:51:59,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:51:59,460 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:51:59,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:59 WrapperNode [2022-12-14 12:51:59,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:51:59,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:51:59,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:51:59,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:51:59,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:59" (1/1) ... [2022-12-14 12:51:59,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:59" (1/1) ... [2022-12-14 12:51:59,517 INFO L138 Inliner]: procedures = 942, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-12-14 12:51:59,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:51:59,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:51:59,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:51:59,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:51:59,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:59" (1/1) ... [2022-12-14 12:51:59,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:59" (1/1) ... [2022-12-14 12:51:59,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:59" (1/1) ... [2022-12-14 12:51:59,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:59" (1/1) ... [2022-12-14 12:51:59,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:59" (1/1) ... [2022-12-14 12:51:59,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:59" (1/1) ... [2022-12-14 12:51:59,540 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:59" (1/1) ... [2022-12-14 12:51:59,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:59" (1/1) ... [2022-12-14 12:51:59,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:51:59,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:51:59,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:51:59,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:51:59,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:59" (1/1) ... [2022-12-14 12:51:59,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:51:59,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:51:59,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:51:59,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:51:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:51:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:51:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:51:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 12:51:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 12:51:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 12:51:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 12:51:59,717 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:51:59,718 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:52:00,457 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:52:00,461 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:52:00,461 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 12:52:00,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:52:00 BoogieIcfgContainer [2022-12-14 12:52:00,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:52:00,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:52:00,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:52:00,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:52:00,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:51:58" (1/3) ... [2022-12-14 12:52:00,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f89f4d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:52:00, skipping insertion in model container [2022-12-14 12:52:00,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:51:59" (2/3) ... [2022-12-14 12:52:00,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f89f4d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:52:00, skipping insertion in model container [2022-12-14 12:52:00,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:52:00" (3/3) ... [2022-12-14 12:52:00,468 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_10_bad.i [2022-12-14 12:52:00,481 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:52:00,481 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 12:52:00,512 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:52:00,516 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;@175f82e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:52:00,517 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 12:52:00,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 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 12:52:00,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 12:52:00,524 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:52:00,525 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:52:00,525 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:52:00,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:52:00,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-12-14 12:52:00,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:52:00,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1026526376] [2022-12-14 12:52:00,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:52:00,538 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 12:52:00,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:52:00,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/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 12:52:00,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/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 12:52:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:52:00,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 12:52:00,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:52:00,696 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 12:52:00,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:52:00,697 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 12:52:00,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1026526376] [2022-12-14 12:52:00,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1026526376] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:52:00,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:52:00,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:52:00,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415613002] [2022-12-14 12:52:00,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:52:00,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:52:00,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 12:52:00,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:52:00,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:52:00,734 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 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) Second operand has 3 states, 3 states have (on average 3.0) 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 12:52:00,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:52:00,763 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2022-12-14 12:52:00,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:52:00,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) 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 12:52:00,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:52:00,770 INFO L225 Difference]: With dead ends: 39 [2022-12-14 12:52:00,770 INFO L226 Difference]: Without dead ends: 16 [2022-12-14 12:52:00,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 12:52:00,774 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 17 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:52:00,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 23 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:52:00,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-14 12:52:00,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-14 12:52:00,797 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), 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 12:52:00,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-12-14 12:52:00,799 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2022-12-14 12:52:00,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:52:00,799 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-12-14 12:52:00,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) 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 12:52:00,800 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-12-14 12:52:00,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 12:52:00,800 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:52:00,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:52:00,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/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 12:52:01,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/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 12:52:01,002 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:52:01,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:52:01,004 INFO L85 PathProgramCache]: Analyzing trace with hash 804858586, now seen corresponding path program 1 times [2022-12-14 12:52:01,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:52:01,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [260850885] [2022-12-14 12:52:01,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:52:01,009 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 12:52:01,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:52:01,013 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/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 12:52:01,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/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 12:52:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:52:01,121 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 12:52:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:52:01,182 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 12:52:01,182 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 12:52:01,185 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 12:52:01,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 12:52:01,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/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 12:52:01,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/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 12:52:01,397 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 12:52:01,409 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:52:01,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:52:01 BoogieIcfgContainer [2022-12-14 12:52:01,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:52:01,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:52:01,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:52:01,444 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:52:01,444 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:52:00" (3/4) ... [2022-12-14 12:52:01,446 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 12:52:01,471 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 12:52:01,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:52:01,472 INFO L158 Benchmark]: Toolchain (without parser) took 3415.43ms. Allocated memory is still 79.7MB. Free memory was 54.9MB in the beginning and 31.1MB in the end (delta: 23.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 12:52:01,472 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:52:01,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1402.92ms. Allocated memory is still 79.7MB. Free memory was 54.6MB in the beginning and 40.0MB in the end (delta: 14.6MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2022-12-14 12:52:01,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.96ms. Allocated memory is still 79.7MB. Free memory was 40.0MB in the beginning and 35.8MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 12:52:01,473 INFO L158 Benchmark]: Boogie Preprocessor took 24.67ms. Allocated memory is still 79.7MB. Free memory was 35.8MB in the beginning and 33.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:52:01,473 INFO L158 Benchmark]: RCFGBuilder took 918.84ms. Allocated memory is still 79.7MB. Free memory was 33.8MB in the beginning and 43.4MB in the end (delta: -9.6MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2022-12-14 12:52:01,474 INFO L158 Benchmark]: TraceAbstraction took 979.56ms. Allocated memory is still 79.7MB. Free memory was 42.7MB in the beginning and 33.7MB in the end (delta: 9.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-12-14 12:52:01,474 INFO L158 Benchmark]: Witness Printer took 27.87ms. Allocated memory is still 79.7MB. Free memory was 33.7MB in the beginning and 31.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:52:01,475 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1402.92ms. Allocated memory is still 79.7MB. Free memory was 54.6MB in the beginning and 40.0MB in the end (delta: 14.6MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.96ms. Allocated memory is still 79.7MB. Free memory was 40.0MB in the beginning and 35.8MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.67ms. Allocated memory is still 79.7MB. Free memory was 35.8MB in the beginning and 33.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 918.84ms. Allocated memory is still 79.7MB. Free memory was 33.8MB in the beginning and 43.4MB in the end (delta: -9.6MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * TraceAbstraction took 979.56ms. Allocated memory is still 79.7MB. Free memory was 42.7MB in the beginning and 33.7MB in the end (delta: 9.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Witness Printer took 27.87ms. Allocated memory is still 79.7MB. Free memory was 33.7MB in the beginning and 31.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1843]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1851] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1851] 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] [L1852] CALL CWE190_Integer_Overflow__int_rand_square_10_bad() [L1834] int data; [L1835] 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] [L1836] COND TRUE \read(globalTrue) [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 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, rand()=0, rand()=2, rand()=0, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1838] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1840] COND TRUE \read(globalTrue) VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1843] data * data VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1843]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 23 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 12:52:01,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edc97158-a964-47d5-8c15-455313761b15/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)