./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_34_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_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/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_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/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_a70eed07-dfbd-45e1-8bb2-529568f12148/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 c84804019f77a69b31f73bc1877658ed1bfa861a7e9dfa4f9fbb903d3ec6a037 --- 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 07:20:51,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:20:51,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:20:51,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:20:51,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:20:51,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:20:51,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:20:51,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:20:51,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:20:51,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:20:51,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:20:51,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:20:51,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:20:51,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:20:51,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:20:51,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:20:51,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:20:51,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:20:51,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:20:51,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:20:51,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:20:51,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:20:51,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:20:51,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:20:51,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:20:51,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:20:51,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:20:51,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:20:51,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:20:51,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:20:51,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:20:51,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:20:51,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:20:51,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:20:51,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:20:51,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:20:51,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:20:51,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:20:51,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:20:51,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:20:51,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:20:51,479 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 07:20:51,509 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:20:51,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:20:51,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:20:51,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:20:51,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:20:51,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:20:51,511 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:20:51,518 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:20:51,519 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:20:51,519 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:20:51,519 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:20:51,519 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:20:51,519 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:20:51,520 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:20:51,520 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:20:51,520 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:20:51,520 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:20:51,520 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:20:51,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:20:51,521 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 07:20:51,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:20:51,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:20:51,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:20:51,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:20:51,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:20:51,522 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 07:20:51,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:20:51,522 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:20:51,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:20:51,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:20:51,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:20:51,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:20:51,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:20:51,523 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:20:51,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:20:51,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:20:51,524 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:20:51,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:20:51,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:20:51,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:20:51,524 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_a70eed07-dfbd-45e1-8bb2-529568f12148/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c84804019f77a69b31f73bc1877658ed1bfa861a7e9dfa4f9fbb903d3ec6a037 [2022-12-14 07:20:51,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:20:51,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:20:51,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:20:51,733 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:20:51,733 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:20:51,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_34_bad.i [2022-12-14 07:20:54,350 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:20:54,575 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:20:54,576 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_34_bad.i [2022-12-14 07:20:54,589 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/data/4874cfcf1/b257bbcded334b79924e3cb556df3feb/FLAG79653dffe [2022-12-14 07:20:54,599 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/data/4874cfcf1/b257bbcded334b79924e3cb556df3feb [2022-12-14 07:20:54,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:20:54,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:20:54,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:20:54,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:20:54,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:20:54,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:20:54" (1/1) ... [2022-12-14 07:20:54,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a0eb52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:20:54, skipping insertion in model container [2022-12-14 07:20:54,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:20:54" (1/1) ... [2022-12-14 07:20:54,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:20:54,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:20:54,886 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 07:20:55,199 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 07:20:55,204 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:20:55,206 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:20:55,209 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:20:55,210 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:20:55,239 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 07:20:55,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:20:55,247 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:20:55,265 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 07:20:55,305 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 07:20:55,306 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:20:55,307 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:20:55,309 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:20:55,310 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:20:55,315 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 07:20:55,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:20:55,405 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:20:55,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:20:55 WrapperNode [2022-12-14 07:20:55,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:20:55,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:20:55,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:20:55,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:20:55,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:20:55" (1/1) ... [2022-12-14 07:20:55,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:20:55" (1/1) ... [2022-12-14 07:20:55,464 INFO L138 Inliner]: procedures = 499, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-12-14 07:20:55,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:20:55,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:20:55,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:20:55,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:20:55,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:20:55" (1/1) ... [2022-12-14 07:20:55,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:20:55" (1/1) ... [2022-12-14 07:20:55,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:20:55" (1/1) ... [2022-12-14 07:20:55,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:20:55" (1/1) ... [2022-12-14 07:20:55,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:20:55" (1/1) ... [2022-12-14 07:20:55,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:20:55" (1/1) ... [2022-12-14 07:20:55,484 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:20:55" (1/1) ... [2022-12-14 07:20:55,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:20:55" (1/1) ... [2022-12-14 07:20:55,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:20:55,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:20:55,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:20:55,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:20:55,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:20:55" (1/1) ... [2022-12-14 07:20:55,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:20:55,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:20:55,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:20:55,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:20:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 07:20:55,547 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 07:20:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:20:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:20:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:20:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:20:55,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:20:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:20:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 07:20:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:20:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:20:55,653 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:20:55,655 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:20:55,767 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:20:55,827 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:20:55,827 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 07:20:55,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:20:55 BoogieIcfgContainer [2022-12-14 07:20:55,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:20:55,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:20:55,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:20:55,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:20:55,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:20:54" (1/3) ... [2022-12-14 07:20:55,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b94f5c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:20:55, skipping insertion in model container [2022-12-14 07:20:55,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:20:55" (2/3) ... [2022-12-14 07:20:55,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b94f5c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:20:55, skipping insertion in model container [2022-12-14 07:20:55,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:20:55" (3/3) ... [2022-12-14 07:20:55,837 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_34_bad.i [2022-12-14 07:20:55,850 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:20:55,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 07:20:55,888 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:20:55,893 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;@46ce50f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:20:55,893 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 07:20:55,896 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) [2022-12-14 07:20:55,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 07:20:55,901 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:55,902 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 07:20:55,902 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 07:20:55,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:55,906 INFO L85 PathProgramCache]: Analyzing trace with hash 2064580149, now seen corresponding path program 1 times [2022-12-14 07:20:55,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:55,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287324148] [2022-12-14 07:20:55,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:55,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:20:56,249 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 07:20:56,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:20:56,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287324148] [2022-12-14 07:20:56,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287324148] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:20:56,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:20:56,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:20:56,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726701633] [2022-12-14 07:20:56,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:20:56,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:20:56,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:20:56,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:20:56,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:20:56,282 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2022-12-14 07:20:56,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:20:56,319 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-12-14 07:20:56,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:20:56,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 [2022-12-14 07:20:56,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:20:56,325 INFO L225 Difference]: With dead ends: 12 [2022-12-14 07:20:56,325 INFO L226 Difference]: Without dead ends: 8 [2022-12-14 07:20:56,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 07:20:56,329 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:20:56,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 7 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:20:56,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-12-14 07:20:56,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-12-14 07:20:56,353 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) [2022-12-14 07:20:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-12-14 07:20:56,354 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-12-14 07:20:56,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:20:56,355 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-12-14 07:20:56,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2022-12-14 07:20:56,355 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-12-14 07:20:56,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 07:20:56,355 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:20:56,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:20:56,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:20:56,356 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 07:20:56,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:20:56,356 INFO L85 PathProgramCache]: Analyzing trace with hash -422524768, now seen corresponding path program 1 times [2022-12-14 07:20:56,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:20:56,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834373259] [2022-12-14 07:20:56,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:20:56,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:20:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 07:20:56,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 07:20:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 07:20:56,426 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 07:20:56,426 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 07:20:56,428 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 07:20:56,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 07:20:56,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:20:56,432 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 07:20:56,434 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 07:20:56,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 07:20:56 BoogieIcfgContainer [2022-12-14 07:20:56,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 07:20:56,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 07:20:56,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 07:20:56,450 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 07:20:56,450 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:20:55" (3/4) ... [2022-12-14 07:20:56,452 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 07:20:56,452 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 07:20:56,453 INFO L158 Benchmark]: Toolchain (without parser) took 1850.65ms. Allocated memory is still 151.0MB. Free memory was 115.3MB in the beginning and 100.4MB in the end (delta: 14.8MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-12-14 07:20:56,453 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 117.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:20:56,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 803.18ms. Allocated memory is still 151.0MB. Free memory was 115.3MB in the beginning and 52.5MB in the end (delta: 62.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-12-14 07:20:56,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.97ms. Allocated memory is still 151.0MB. Free memory was 52.5MB in the beginning and 119.3MB in the end (delta: -66.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2022-12-14 07:20:56,454 INFO L158 Benchmark]: Boogie Preprocessor took 22.33ms. Allocated memory is still 151.0MB. Free memory was 119.3MB in the beginning and 118.3MB in the end (delta: 947.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:20:56,454 INFO L158 Benchmark]: RCFGBuilder took 341.04ms. Allocated memory is still 151.0MB. Free memory was 118.3MB in the beginning and 98.3MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 07:20:56,454 INFO L158 Benchmark]: TraceAbstraction took 617.74ms. Allocated memory is still 151.0MB. Free memory was 97.4MB in the beginning and 100.4MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:20:56,455 INFO L158 Benchmark]: Witness Printer took 2.84ms. Allocated memory is still 151.0MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:20:56,456 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 151.0MB. Free memory is still 117.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 803.18ms. Allocated memory is still 151.0MB. Free memory was 115.3MB in the beginning and 52.5MB in the end (delta: 62.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.97ms. Allocated memory is still 151.0MB. Free memory was 52.5MB in the beginning and 119.3MB in the end (delta: -66.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.33ms. Allocated memory is still 151.0MB. Free memory was 119.3MB in the beginning and 118.3MB in the end (delta: 947.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 341.04ms. Allocated memory is still 151.0MB. Free memory was 118.3MB in the beginning and 98.3MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 617.74ms. Allocated memory is still 151.0MB. Free memory was 97.4MB in the beginning and 100.4MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.84ms. Allocated memory is still 151.0MB. Free memory is still 100.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1558, overapproximation of bitwiseAnd at line 1558. 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); [L1571] 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) [L1571] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483652:2147483650}, argv={2147483652:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_rand_add_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_rand_add_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] data + 1 VAL [data=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={5:0}] - UnprovableResult [Line: 1563]: 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: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 07:20:56,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/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_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/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_a70eed07-dfbd-45e1-8bb2-529568f12148/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 c84804019f77a69b31f73bc1877658ed1bfa861a7e9dfa4f9fbb903d3ec6a037 --- 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 07:20:58,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:20:58,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:20:58,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:20:58,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:20:58,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:20:58,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:20:58,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:20:58,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:20:58,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:20:58,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:20:58,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:20:58,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:20:58,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:20:58,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:20:58,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:20:58,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:20:58,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:20:58,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:20:58,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:20:58,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:20:58,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:20:58,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:20:58,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:20:58,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:20:58,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:20:58,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:20:58,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:20:58,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:20:58,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:20:58,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:20:58,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:20:58,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:20:58,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:20:58,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:20:58,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:20:58,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:20:58,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:20:58,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:20:58,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:20:58,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:20:58,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 07:20:58,175 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:20:58,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:20:58,176 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:20:58,176 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:20:58,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:20:58,176 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:20:58,177 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:20:58,177 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:20:58,177 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:20:58,177 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:20:58,177 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:20:58,177 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:20:58,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:20:58,178 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 07:20:58,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:20:58,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:20:58,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:20:58,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:20:58,178 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 07:20:58,178 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 07:20:58,178 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 07:20:58,178 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 07:20:58,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:20:58,178 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:20:58,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:20:58,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:20:58,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 07:20:58,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:20:58,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:20:58,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:20:58,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:20:58,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:20:58,185 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 07:20:58,185 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 07:20:58,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:20:58,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:20:58,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 07:20:58,186 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_a70eed07-dfbd-45e1-8bb2-529568f12148/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c84804019f77a69b31f73bc1877658ed1bfa861a7e9dfa4f9fbb903d3ec6a037 [2022-12-14 07:20:58,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:20:58,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:20:58,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:20:58,411 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:20:58,412 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:20:58,413 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_34_bad.i [2022-12-14 07:21:01,019 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:21:01,278 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:21:01,278 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_34_bad.i [2022-12-14 07:21:01,297 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/data/fb7935e18/6090d3a81c75487f92b1831125e9f85d/FLAG962f2953f [2022-12-14 07:21:01,311 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/data/fb7935e18/6090d3a81c75487f92b1831125e9f85d [2022-12-14 07:21:01,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:21:01,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:21:01,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:21:01,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:21:01,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:21:01,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:21:01" (1/1) ... [2022-12-14 07:21:01,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3406e7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:01, skipping insertion in model container [2022-12-14 07:21:01,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:21:01" (1/1) ... [2022-12-14 07:21:01,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:21:01,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:21:01,608 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 07:21:01,930 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 07:21:01,934 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:21:01,935 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:21:01,937 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:21:01,938 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:21:01,960 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 07:21:01,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:21:01,974 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:21:01,991 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 07:21:02,042 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 07:21:02,044 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:21:02,045 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:21:02,047 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:21:02,048 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:21:02,054 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 07:21:02,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:21:02,151 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:21:02,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:02 WrapperNode [2022-12-14 07:21:02,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:21:02,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:21:02,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:21:02,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:21:02,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:02" (1/1) ... [2022-12-14 07:21:02,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:02" (1/1) ... [2022-12-14 07:21:02,197 INFO L138 Inliner]: procedures = 504, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-12-14 07:21:02,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:21:02,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:21:02,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:21:02,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:21:02,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:02" (1/1) ... [2022-12-14 07:21:02,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:02" (1/1) ... [2022-12-14 07:21:02,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:02" (1/1) ... [2022-12-14 07:21:02,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:02" (1/1) ... [2022-12-14 07:21:02,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:02" (1/1) ... [2022-12-14 07:21:02,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:02" (1/1) ... [2022-12-14 07:21:02,224 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:02" (1/1) ... [2022-12-14 07:21:02,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:02" (1/1) ... [2022-12-14 07:21:02,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:21:02,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:21:02,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:21:02,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:21:02,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:02" (1/1) ... [2022-12-14 07:21:02,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:21:02,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:21:02,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:21:02,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:21:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 07:21:02,291 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 07:21:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:21:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 07:21:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:21:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:21:02,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:21:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 07:21:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:21:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 07:21:02,292 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 07:21:02,413 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:21:02,414 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:21:02,523 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:21:02,529 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:21:02,529 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 07:21:02,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:21:02 BoogieIcfgContainer [2022-12-14 07:21:02,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:21:02,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:21:02,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:21:02,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:21:02,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:21:01" (1/3) ... [2022-12-14 07:21:02,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b60bd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:21:02, skipping insertion in model container [2022-12-14 07:21:02,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:02" (2/3) ... [2022-12-14 07:21:02,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b60bd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:21:02, skipping insertion in model container [2022-12-14 07:21:02,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:21:02" (3/3) ... [2022-12-14 07:21:02,540 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_34_bad.i [2022-12-14 07:21:02,558 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:21:02,558 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 07:21:02,597 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:21:02,602 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;@4c8d1b00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:21:02,602 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 07:21:02,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 07:21:02,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 07:21:02,611 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:21:02,611 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:21:02,612 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 07:21:02,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:21:02,617 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-12-14 07:21:02,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 07:21:02,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1448046819] [2022-12-14 07:21:02,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:02,630 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 07:21:02,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 07:21:02,632 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/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 07:21:02,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/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 07:21:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:21:02,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 07:21:02,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:21:02,754 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 07:21:02,754 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:21:02,755 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 07:21:02,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1448046819] [2022-12-14 07:21:02,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1448046819] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:21:02,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:21:02,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 07:21:02,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580847978] [2022-12-14 07:21:02,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:21:02,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 07:21:02,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 07:21:02,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 07:21:02,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:21:02,781 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:21:02,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:21:02,793 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-12-14 07:21:02,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 07:21:02,795 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-14 07:21:02,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:21:02,799 INFO L225 Difference]: With dead ends: 21 [2022-12-14 07:21:02,799 INFO L226 Difference]: Without dead ends: 13 [2022-12-14 07:21:02,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:21:02,803 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:21:02,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:21:02,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-14 07:21:02,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-14 07:21:02,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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 07:21:02,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-14 07:21:02,825 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-14 07:21:02,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:21:02,825 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-14 07:21:02,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:21:02,826 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-14 07:21:02,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 07:21:02,826 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:21:02,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:21:02,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/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 07:21:03,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/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 07:21:03,028 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 07:21:03,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:21:03,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1595656915, now seen corresponding path program 1 times [2022-12-14 07:21:03,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 07:21:03,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1680068343] [2022-12-14 07:21:03,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:21:03,033 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 07:21:03,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 07:21:03,037 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/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 07:21:03,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/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 07:21:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 07:21:03,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 07:21:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 07:21:03,251 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 07:21:03,252 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 07:21:03,253 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 07:21:03,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 07:21:03,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/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 07:21:03,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/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 07:21:03,466 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 07:21:03,478 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 07:21:03,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 07:21:03 BoogieIcfgContainer [2022-12-14 07:21:03,519 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 07:21:03,520 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 07:21:03,520 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 07:21:03,520 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 07:21:03,521 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:21:02" (3/4) ... [2022-12-14 07:21:03,522 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 07:21:03,549 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 07:21:03,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 07:21:03,550 INFO L158 Benchmark]: Toolchain (without parser) took 2235.43ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 56.5MB in the beginning and 45.9MB in the end (delta: 10.7MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2022-12-14 07:21:03,550 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory is still 31.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:21:03,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 835.54ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 56.3MB in the beginning and 71.8MB in the end (delta: -15.4MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2022-12-14 07:21:03,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.37ms. Allocated memory is still 98.6MB. Free memory was 71.8MB in the beginning and 68.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:21:03,551 INFO L158 Benchmark]: Boogie Preprocessor took 31.69ms. Allocated memory is still 98.6MB. Free memory was 68.6MB in the beginning and 66.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:21:03,552 INFO L158 Benchmark]: RCFGBuilder took 301.69ms. Allocated memory is still 98.6MB. Free memory was 66.6MB in the beginning and 52.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 07:21:03,552 INFO L158 Benchmark]: TraceAbstraction took 985.47ms. Allocated memory is still 98.6MB. Free memory was 52.4MB in the beginning and 48.0MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 07:21:03,552 INFO L158 Benchmark]: Witness Printer took 29.52ms. Allocated memory is still 98.6MB. Free memory was 48.0MB in the beginning and 45.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:21:03,554 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory is still 31.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 835.54ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 56.3MB in the beginning and 71.8MB in the end (delta: -15.4MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.37ms. Allocated memory is still 98.6MB. Free memory was 71.8MB in the beginning and 68.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.69ms. Allocated memory is still 98.6MB. Free memory was 68.6MB in the beginning and 66.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 301.69ms. Allocated memory is still 98.6MB. Free memory was 66.6MB in the beginning and 52.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 985.47ms. Allocated memory is still 98.6MB. Free memory was 52.4MB in the beginning and 48.0MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 29.52ms. Allocated memory is still 98.6MB. Free memory was 48.0MB in the beginning and 45.9MB in the end (delta: 2.2MB). 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: 1563]: 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] [L1571] 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) [L1571] 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] [L1572] CALL CWE190_Integer_Overflow__int_rand_add_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_rand_add_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] 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, myUnion={7:0}, rand()=0, rand()=65536, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] data + 1 VAL [data=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={7:0}] - UnprovableResult [Line: 1563]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 22 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 69 ConjunctsInSsa, 1 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 07:21:03,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a70eed07-dfbd-45e1-8bb2-529568f12148/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)