./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_51_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c3e77cb4897bc4de6bb69b23bf9f5b5a6d93ebf2043deebc4e658bb2c8a718a9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:16:03,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:16:03,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:16:03,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:16:03,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:16:03,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:16:03,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:16:03,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:16:03,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:16:03,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:16:03,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:16:03,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:16:03,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:16:03,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:16:03,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:16:03,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:16:03,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:16:03,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:16:03,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:16:03,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:16:03,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:16:03,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:16:03,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:16:03,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:16:03,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:16:03,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:16:03,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:16:03,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:16:03,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:16:03,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:16:03,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:16:03,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:16:03,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:16:03,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:16:03,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:16:03,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:16:03,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:16:03,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:16:03,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:16:03,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:16:03,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:16:03,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:16:03,556 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:16:03,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:16:03,557 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:16:03,557 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:16:03,558 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:16:03,559 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:16:03,559 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:16:03,559 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:16:03,560 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:16:03,560 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:16:03,561 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:16:03,561 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:16:03,562 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:16:03,562 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:16:03,562 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:16:03,562 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:16:03,563 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:16:03,563 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:16:03,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:16:03,564 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:16:03,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:16:03,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:16:03,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:16:03,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:16:03,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:16:03,566 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:16:03,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:16:03,567 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:16:03,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:16:03,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:16:03,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:16:03,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:16:03,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:16:03,569 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:16:03,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:16:03,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:16:03,569 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:16:03,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:16:03,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:16:03,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:16:03,571 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_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3e77cb4897bc4de6bb69b23bf9f5b5a6d93ebf2043deebc4e658bb2c8a718a9 [2022-11-26 00:16:03,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:16:03,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:16:03,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:16:03,942 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:16:03,943 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:16:03,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_51_bad.i [2022-11-26 00:16:07,012 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:16:07,346 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:16:07,347 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_51_bad.i [2022-11-26 00:16:07,370 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/data/b334ed390/78f916b6bfd14c5d9fb0dc17510f8afc/FLAG8b81f9d96 [2022-11-26 00:16:07,384 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/data/b334ed390/78f916b6bfd14c5d9fb0dc17510f8afc [2022-11-26 00:16:07,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:16:07,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:16:07,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:16:07,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:16:07,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:16:07,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:16:07" (1/1) ... [2022-11-26 00:16:07,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3972204d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:07, skipping insertion in model container [2022-11-26 00:16:07,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:16:07" (1/1) ... [2022-11-26 00:16:07,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:16:07,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:16:07,983 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:16:08,646 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:16:08,657 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:16:08,661 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:16:08,673 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:16:08,677 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:16:09,272 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:16:09,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:16:09,286 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:16:09,317 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:16:09,449 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:16:09,451 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:16:09,452 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:16:09,461 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:16:09,462 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:16:09,491 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:16:09,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:16:09,804 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:16:09,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:09 WrapperNode [2022-11-26 00:16:09,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:16:09,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:16:09,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:16:09,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:16:09,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:09" (1/1) ... [2022-11-26 00:16:09,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:09" (1/1) ... [2022-11-26 00:16:09,892 INFO L138 Inliner]: procedures = 938, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2022-11-26 00:16:09,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:16:09,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:16:09,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:16:09,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:16:09,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:09" (1/1) ... [2022-11-26 00:16:09,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:09" (1/1) ... [2022-11-26 00:16:09,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:09" (1/1) ... [2022-11-26 00:16:09,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:09" (1/1) ... [2022-11-26 00:16:09,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:09" (1/1) ... [2022-11-26 00:16:09,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:09" (1/1) ... [2022-11-26 00:16:09,929 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:09" (1/1) ... [2022-11-26 00:16:09,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:09" (1/1) ... [2022-11-26 00:16:09,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:16:09,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:16:09,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:16:09,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:16:09,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:09" (1/1) ... [2022-11-26 00:16:09,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:16:09,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:16:09,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:16:09,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:16:10,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:16:10,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:16:10,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:16:10,020 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 00:16:10,020 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 00:16:10,020 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 00:16:10,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:16:10,278 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:16:10,280 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:16:10,505 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:16:10,589 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:16:10,589 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:16:10,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:16:10 BoogieIcfgContainer [2022-11-26 00:16:10,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:16:10,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:16:10,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:16:10,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:16:10,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:16:07" (1/3) ... [2022-11-26 00:16:10,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b01f34a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:16:10, skipping insertion in model container [2022-11-26 00:16:10,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:09" (2/3) ... [2022-11-26 00:16:10,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b01f34a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:16:10, skipping insertion in model container [2022-11-26 00:16:10,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:16:10" (3/3) ... [2022-11-26 00:16:10,604 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_51_bad.i [2022-11-26 00:16:10,625 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:16:10,625 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:16:10,688 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:16:10,695 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;@451b10ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:16:10,696 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:16:10,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:16:10,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 00:16:10,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:10,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-26 00:16:10,711 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 00:16:10,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:10,718 INFO L85 PathProgramCache]: Analyzing trace with hash 2123687601, now seen corresponding path program 1 times [2022-11-26 00:16:10,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:16:10,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940505389] [2022-11-26 00:16:10,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:10,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:16:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:10,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:16:10,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:16:10,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940505389] [2022-11-26 00:16:10,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940505389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:16:10,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:16:10,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:16:10,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568718314] [2022-11-26 00:16:10,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:16:10,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:16:10,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:16:11,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:16:11,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:16:11,040 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:16:11,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:11,083 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-26 00:16:11,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:16:11,085 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 6 [2022-11-26 00:16:11,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:11,092 INFO L225 Difference]: With dead ends: 12 [2022-11-26 00:16:11,092 INFO L226 Difference]: Without dead ends: 8 [2022-11-26 00:16:11,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:16:11,099 INFO L413 NwaCegarLoop]: 6 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, 6 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 [2022-11-26 00:16:11,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:16:11,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-26 00:16:11,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-26 00:16:11,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 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) [2022-11-26 00:16:11,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-11-26 00:16:11,134 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-11-26 00:16:11,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:11,135 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-11-26 00:16:11,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:16:11,138 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-26 00:16:11,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 00:16:11,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:11,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:16:11,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:16:11,142 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 00:16:11,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:11,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1409806244, now seen corresponding path program 1 times [2022-11-26 00:16:11,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:16:11,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770727998] [2022-11-26 00:16:11,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:11,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:16:11,211 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:16:11,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1051277412] [2022-11-26 00:16:11,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:11,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:11,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:16:11,234 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:16:11,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:16:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:16:11,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 00:16:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:16:11,411 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 00:16:11,412 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 00:16:11,414 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-26 00:16:11,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-26 00:16:11,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:16:11,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:11,629 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-26 00:16:11,633 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:16:11,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:16:11 BoogieIcfgContainer [2022-11-26 00:16:11,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:16:11,672 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:16:11,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:16:11,673 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:16:11,679 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:16:10" (3/4) ... [2022-11-26 00:16:11,684 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 00:16:11,684 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:16:11,686 INFO L158 Benchmark]: Toolchain (without parser) took 4296.62ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 81.0MB in the beginning and 91.0MB in the end (delta: -10.0MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2022-11-26 00:16:11,692 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory was 101.3MB in the beginning and 101.2MB in the end (delta: 25.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:16:11,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2415.77ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 81.0MB in the beginning and 87.3MB in the end (delta: -6.3MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2022-11-26 00:16:11,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.19ms. Allocated memory is still 174.1MB. Free memory was 87.3MB in the beginning and 83.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:16:11,695 INFO L158 Benchmark]: Boogie Preprocessor took 39.36ms. Allocated memory is still 174.1MB. Free memory was 83.1MB in the beginning and 82.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:16:11,696 INFO L158 Benchmark]: RCFGBuilder took 658.14ms. Allocated memory is still 174.1MB. Free memory was 82.0MB in the beginning and 129.8MB in the end (delta: -47.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-26 00:16:11,696 INFO L158 Benchmark]: TraceAbstraction took 1077.82ms. Allocated memory is still 174.1MB. Free memory was 128.7MB in the beginning and 91.0MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-26 00:16:11,698 INFO L158 Benchmark]: Witness Printer took 12.30ms. Allocated memory is still 174.1MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:16:11,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory was 101.3MB in the beginning and 101.2MB in the end (delta: 25.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2415.77ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 81.0MB in the beginning and 87.3MB in the end (delta: -6.3MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.19ms. Allocated memory is still 174.1MB. Free memory was 87.3MB in the beginning and 83.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.36ms. Allocated memory is still 174.1MB. Free memory was 83.1MB in the beginning and 82.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 658.14ms. Allocated memory is still 174.1MB. Free memory was 82.0MB in the beginning and 129.8MB in the end (delta: -47.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1077.82ms. Allocated memory is still 174.1MB. Free memory was 128.7MB in the beginning and 91.0MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 12.30ms. Allocated memory is still 174.1MB. Free memory is still 91.0MB. 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: 1851]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1837, overapproximation of bitwiseAnd at line 1837. 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); [L1843] 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) [L1843] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, 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] [L1844] CALL CWE190_Integer_Overflow__int_rand_square_51_bad() [L1835] int data; [L1836] data = 0 [L1837] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1837] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1837] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1838] CALL CWE190_Integer_Overflow__int_rand_square_51b_badSink(data) [L1851] data * data VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1851]: 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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, 6 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, 6 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=12occurred 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, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-26 00:16:11,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c3e77cb4897bc4de6bb69b23bf9f5b5a6d93ebf2043deebc4e658bb2c8a718a9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:16:14,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:16:14,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:16:14,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:16:14,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:16:14,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:16:14,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:16:14,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:16:14,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:16:14,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:16:14,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:16:14,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:16:14,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:16:14,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:16:14,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:16:14,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:16:14,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:16:14,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:16:14,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:16:14,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:16:14,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:16:14,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:16:14,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:16:14,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:16:14,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:16:14,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:16:14,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:16:14,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:16:14,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:16:14,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:16:14,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:16:14,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:16:14,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:16:14,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:16:14,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:16:14,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:16:14,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:16:14,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:16:14,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:16:14,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:16:14,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:16:14,405 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 00:16:14,447 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:16:14,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:16:14,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:16:14,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:16:14,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:16:14,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:16:14,451 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:16:14,451 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:16:14,452 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:16:14,452 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:16:14,453 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:16:14,453 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:16:14,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:16:14,455 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:16:14,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:16:14,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:16:14,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:16:14,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:16:14,456 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:16:14,456 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:16:14,457 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:16:14,457 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:16:14,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:16:14,458 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:16:14,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:16:14,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:16:14,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:16:14,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:16:14,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:16:14,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:16:14,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:16:14,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:16:14,461 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:16:14,461 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:16:14,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:16:14,462 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:16:14,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:16:14,462 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_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3e77cb4897bc4de6bb69b23bf9f5b5a6d93ebf2043deebc4e658bb2c8a718a9 [2022-11-26 00:16:14,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:16:14,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:16:14,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:16:14,901 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:16:14,903 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:16:14,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_51_bad.i [2022-11-26 00:16:18,139 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:16:18,641 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:16:18,642 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_51_bad.i [2022-11-26 00:16:18,677 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/data/2143d8f5d/7f6616c81d63459886e7569ca755c20c/FLAGca9b23815 [2022-11-26 00:16:18,703 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/data/2143d8f5d/7f6616c81d63459886e7569ca755c20c [2022-11-26 00:16:18,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:16:18,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:16:18,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:16:18,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:16:18,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:16:18,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:16:18" (1/1) ... [2022-11-26 00:16:18,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76540c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:18, skipping insertion in model container [2022-11-26 00:16:18,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:16:18" (1/1) ... [2022-11-26 00:16:18,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:16:18,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:16:19,290 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:16:19,825 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:16:19,830 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:16:19,832 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:16:19,834 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:16:19,835 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:16:20,288 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:16:20,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:16:20,305 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:16:20,322 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:16:20,382 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:16:20,384 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:16:20,385 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:16:20,387 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:16:20,388 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:16:20,402 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:16:20,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:16:20,857 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:16:20,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:20 WrapperNode [2022-11-26 00:16:20,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:16:20,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:16:20,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:16:20,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:16:20,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:20" (1/1) ... [2022-11-26 00:16:20,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:20" (1/1) ... [2022-11-26 00:16:20,928 INFO L138 Inliner]: procedures = 943, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2022-11-26 00:16:20,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:16:20,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:16:20,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:16:20,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:16:20,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:20" (1/1) ... [2022-11-26 00:16:20,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:20" (1/1) ... [2022-11-26 00:16:20,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:20" (1/1) ... [2022-11-26 00:16:20,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:20" (1/1) ... [2022-11-26 00:16:20,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:20" (1/1) ... [2022-11-26 00:16:20,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:20" (1/1) ... [2022-11-26 00:16:20,958 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:20" (1/1) ... [2022-11-26 00:16:20,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:20" (1/1) ... [2022-11-26 00:16:20,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:16:20,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:16:20,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:16:20,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:16:20,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:20" (1/1) ... [2022-11-26 00:16:20,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:16:20,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:16:21,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:16:21,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:16:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:16:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:16:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:16:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 00:16:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 00:16:21,050 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 00:16:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 00:16:21,264 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:16:21,273 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:16:22,866 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:16:22,875 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:16:22,875 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:16:22,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:16:22 BoogieIcfgContainer [2022-11-26 00:16:22,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:16:22,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:16:22,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:16:22,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:16:22,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:16:18" (1/3) ... [2022-11-26 00:16:22,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a0f92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:16:22, skipping insertion in model container [2022-11-26 00:16:22,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:20" (2/3) ... [2022-11-26 00:16:22,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a0f92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:16:22, skipping insertion in model container [2022-11-26 00:16:22,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:16:22" (3/3) ... [2022-11-26 00:16:22,885 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_51_bad.i [2022-11-26 00:16:22,904 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:16:22,904 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:16:22,946 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:16:22,952 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;@1aeaa8c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:16:22,953 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:16:22,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:16:22,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-26 00:16:22,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:22,965 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:16:22,966 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 00:16:22,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:22,971 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-11-26 00:16:22,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:16:22,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [9631383] [2022-11-26 00:16:22,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:22,985 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:16:22,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:16:22,986 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:16:22,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6f107-e1e9-4462-b3e9-66c92b8d8494/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process