./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_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_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0cdce5a30558b3c57877e1159c4a29223d8d67a59ea2d3f5614f68630f3ff07d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 16:37:43,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:37:43,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:37:43,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:37:43,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:37:43,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:37:43,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:37:43,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:37:43,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:37:43,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:37:43,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:37:43,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:37:43,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:37:43,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:37:43,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:37:43,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:37:43,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:37:43,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:37:43,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:37:43,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:37:43,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:37:43,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:37:43,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:37:43,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:37:43,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:37:43,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:37:43,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:37:43,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:37:43,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:37:43,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:37:43,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:37:43,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:37:43,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:37:43,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:37:43,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:37:43,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:37:43,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:37:43,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:37:43,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:37:43,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:37:43,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:37:43,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 16:37:43,517 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:37:43,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:37:43,517 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:37:43,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:37:43,518 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:37:43,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:37:43,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:37:43,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:37:43,520 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:37:43,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:37:43,520 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:37:43,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:37:43,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:37:43,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:37:43,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:37:43,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:37:43,521 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:37:43,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:37:43,521 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:37:43,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:37:43,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:37:43,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:37:43,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:37:43,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:37:43,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:37:43,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:37:43,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:37:43,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:37:43,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:37:43,523 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:37:43,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:37:43,523 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:37:43,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:37:43,523 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:37:43,524 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cdce5a30558b3c57877e1159c4a29223d8d67a59ea2d3f5614f68630f3ff07d [2022-12-13 16:37:43,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:37:43,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:37:43,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:37:43,732 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:37:43,733 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:37:43,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2022-12-13 16:37:46,264 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:37:46,498 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:37:46,499 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2022-12-13 16:37:46,522 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/data/2ea1258a1/58713474616a40c3acc48bb32df8c973/FLAG418bfea32 [2022-12-13 16:37:46,850 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/data/2ea1258a1/58713474616a40c3acc48bb32df8c973 [2022-12-13 16:37:46,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:37:46,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:37:46,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:37:46,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:37:46,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:37:46,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:37:46" (1/1) ... [2022-12-13 16:37:46,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f2f9141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:46, skipping insertion in model container [2022-12-13 16:37:46,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:37:46" (1/1) ... [2022-12-13 16:37:46,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:37:47,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:37:47,251 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:37:47,577 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:37:47,581 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:37:47,583 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:37:47,584 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:37:47,585 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:37:47,605 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:37:47,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:37:47,615 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:37:47,629 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:37:47,661 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:37:47,662 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:37:47,663 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:37:47,665 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:37:47,665 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:37:47,669 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:37:47,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:37:47,760 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:37:47,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:47 WrapperNode [2022-12-13 16:37:47,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:37:47,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:37:47,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:37:47,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:37:47,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:47" (1/1) ... [2022-12-13 16:37:47,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:47" (1/1) ... [2022-12-13 16:37:47,801 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 60 [2022-12-13 16:37:47,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:37:47,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:37:47,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:37:47,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:37:47,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:47" (1/1) ... [2022-12-13 16:37:47,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:47" (1/1) ... [2022-12-13 16:37:47,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:47" (1/1) ... [2022-12-13 16:37:47,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:47" (1/1) ... [2022-12-13 16:37:47,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:47" (1/1) ... [2022-12-13 16:37:47,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:47" (1/1) ... [2022-12-13 16:37:47,817 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:47" (1/1) ... [2022-12-13 16:37:47,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:47" (1/1) ... [2022-12-13 16:37:47,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:37:47,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:37:47,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:37:47,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:37:47,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:47" (1/1) ... [2022-12-13 16:37:47,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:37:47,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:37:47,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:37:47,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:37:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:37:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:37:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:37:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:37:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:37:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:37:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:37:47,984 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:37:47,985 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:37:48,102 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:37:48,107 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:37:48,108 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:37:48,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:37:48 BoogieIcfgContainer [2022-12-13 16:37:48,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:37:48,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:37:48,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:37:48,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:37:48,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:37:46" (1/3) ... [2022-12-13 16:37:48,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fd5414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:37:48, skipping insertion in model container [2022-12-13 16:37:48,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:47" (2/3) ... [2022-12-13 16:37:48,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fd5414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:37:48, skipping insertion in model container [2022-12-13 16:37:48,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:37:48" (3/3) ... [2022-12-13 16:37:48,117 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2022-12-13 16:37:48,133 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:37:48,133 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 16:37:48,178 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:37:48,185 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@472f0e5f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:37:48,185 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 16:37:48,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 16:37:48,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 16:37:48,195 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:37:48,195 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:37:48,196 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:37:48,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:37:48,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283626, now seen corresponding path program 1 times [2022-12-13 16:37:48,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:37:48,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789300612] [2022-12-13 16:37:48,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:37:48,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:37:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:37:48,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:37:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:37:48,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:37:48,413 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:37:48,414 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 16:37:48,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 16:37:48,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:37:48,419 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 16:37:48,423 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:37:48,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:37:48 BoogieIcfgContainer [2022-12-13 16:37:48,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:37:48,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:37:48,440 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:37:48,440 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:37:48,440 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:37:48" (3/4) ... [2022-12-13 16:37:48,443 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 16:37:48,443 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:37:48,444 INFO L158 Benchmark]: Toolchain (without parser) took 1581.62ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 94.3MB in the beginning and 63.8MB in the end (delta: 30.4MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2022-12-13 16:37:48,444 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:37:48,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 893.94ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 93.9MB in the beginning and 101.7MB in the end (delta: -7.9MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2022-12-13 16:37:48,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.57ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 98.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 16:37:48,445 INFO L158 Benchmark]: Boogie Preprocessor took 18.63ms. Allocated memory is still 159.4MB. Free memory was 98.6MB in the beginning and 97.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:37:48,445 INFO L158 Benchmark]: RCFGBuilder took 289.04ms. Allocated memory is still 159.4MB. Free memory was 97.4MB in the beginning and 83.9MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 16:37:48,446 INFO L158 Benchmark]: TraceAbstraction took 327.90ms. Allocated memory is still 159.4MB. Free memory was 82.9MB in the beginning and 64.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 16:37:48,446 INFO L158 Benchmark]: Witness Printer took 3.15ms. Allocated memory is still 159.4MB. Free memory was 64.1MB in the beginning and 63.8MB in the end (delta: 232.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:37:48,448 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 893.94ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 93.9MB in the beginning and 101.7MB in the end (delta: -7.9MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.57ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 98.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.63ms. Allocated memory is still 159.4MB. Free memory was 98.6MB in the beginning and 97.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 289.04ms. Allocated memory is still 159.4MB. Free memory was 97.4MB in the beginning and 83.9MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 327.90ms. Allocated memory is still 159.4MB. Free memory was 82.9MB in the beginning and 64.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.15ms. Allocated memory is still 159.4MB. Free memory was 64.1MB in the beginning and 63.8MB in the end (delta: 232.9kB). 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] 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) [L1560] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483648:2147483650}, argv={2147483648:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL CWE191_Integer_Underflow__int_rand_sub_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_sub_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [={-1:0}, data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=1, rand()=0, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1568] data - 1 VAL [\old(data)=-2147483648, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 16:37:48,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0cdce5a30558b3c57877e1159c4a29223d8d67a59ea2d3f5614f68630f3ff07d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 16:37:50,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:37:50,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:37:50,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:37:50,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:37:50,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:37:50,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:37:50,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:37:50,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:37:50,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:37:50,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:37:50,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:37:50,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:37:50,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:37:50,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:37:50,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:37:50,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:37:50,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:37:50,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:37:50,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:37:50,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:37:50,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:37:50,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:37:50,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:37:50,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:37:50,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:37:50,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:37:50,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:37:50,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:37:50,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:37:50,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:37:50,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:37:50,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:37:50,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:37:50,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:37:50,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:37:50,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:37:50,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:37:50,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:37:50,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:37:50,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:37:50,356 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 16:37:50,377 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:37:50,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:37:50,378 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:37:50,378 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:37:50,379 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:37:50,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:37:50,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:37:50,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:37:50,380 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:37:50,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:37:50,380 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:37:50,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:37:50,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:37:50,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:37:50,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:37:50,381 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 16:37:50,381 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 16:37:50,381 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:37:50,381 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 16:37:50,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:37:50,382 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:37:50,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:37:50,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:37:50,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:37:50,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:37:50,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:37:50,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:37:50,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:37:50,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:37:50,386 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 16:37:50,386 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 16:37:50,386 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:37:50,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:37:50,387 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:37:50,387 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:37:50,387 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 16:37:50,387 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:37:50,387 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cdce5a30558b3c57877e1159c4a29223d8d67a59ea2d3f5614f68630f3ff07d [2022-12-13 16:37:50,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:37:50,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:37:50,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:37:50,629 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:37:50,629 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:37:50,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2022-12-13 16:37:53,139 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:37:53,368 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:37:53,368 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2022-12-13 16:37:53,382 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/data/c67bad841/03c42ba22b36490ca9f28502d0725958/FLAG125f5fd3a [2022-12-13 16:37:53,690 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/data/c67bad841/03c42ba22b36490ca9f28502d0725958 [2022-12-13 16:37:53,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:37:53,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:37:53,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:37:53,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:37:53,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:37:53,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:37:53" (1/1) ... [2022-12-13 16:37:53,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@663fa035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:53, skipping insertion in model container [2022-12-13 16:37:53,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:37:53" (1/1) ... [2022-12-13 16:37:53,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:37:53,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:37:54,009 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:37:54,338 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:37:54,342 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:37:54,343 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:37:54,344 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:37:54,345 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:37:54,362 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:37:54,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:37:54,375 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:37:54,389 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:37:54,422 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:37:54,423 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:37:54,423 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:37:54,425 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:37:54,425 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:37:54,428 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:37:54,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:37:54,522 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:37:54,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:54 WrapperNode [2022-12-13 16:37:54,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:37:54,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:37:54,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:37:54,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:37:54,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:54" (1/1) ... [2022-12-13 16:37:54,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:54" (1/1) ... [2022-12-13 16:37:54,560 INFO L138 Inliner]: procedures = 506, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 60 [2022-12-13 16:37:54,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:37:54,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:37:54,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:37:54,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:37:54,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:54" (1/1) ... [2022-12-13 16:37:54,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:54" (1/1) ... [2022-12-13 16:37:54,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:54" (1/1) ... [2022-12-13 16:37:54,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:54" (1/1) ... [2022-12-13 16:37:54,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:54" (1/1) ... [2022-12-13 16:37:54,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:54" (1/1) ... [2022-12-13 16:37:54,578 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:54" (1/1) ... [2022-12-13 16:37:54,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:54" (1/1) ... [2022-12-13 16:37:54,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:37:54,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:37:54,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:37:54,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:37:54,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:54" (1/1) ... [2022-12-13 16:37:54,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:37:54,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:37:54,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:37:54,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:37:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:37:54,633 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:37:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 16:37:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:37:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:37:54,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:37:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:37:54,747 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:37:54,749 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:37:54,862 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:37:54,867 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:37:54,867 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:37:54,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:37:54 BoogieIcfgContainer [2022-12-13 16:37:54,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:37:54,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:37:54,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:37:54,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:37:54,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:37:53" (1/3) ... [2022-12-13 16:37:54,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d6f1075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:37:54, skipping insertion in model container [2022-12-13 16:37:54,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:37:54" (2/3) ... [2022-12-13 16:37:54,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d6f1075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:37:54, skipping insertion in model container [2022-12-13 16:37:54,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:37:54" (3/3) ... [2022-12-13 16:37:54,877 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_65_bad.i [2022-12-13 16:37:54,894 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:37:54,894 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 16:37:54,928 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:37:54,932 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@33e9b9fe, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:37:54,932 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 16:37:54,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 16:37:54,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 16:37:54,941 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:37:54,941 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:37:54,942 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:37:54,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:37:54,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283626, now seen corresponding path program 1 times [2022-12-13 16:37:54,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:37:54,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392245645] [2022-12-13 16:37:54,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:37:54,955 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:37:54,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:37:54,957 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:37:54,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 16:37:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:37:55,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:37:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:37:55,164 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 16:37:55,166 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:37:55,167 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 16:37:55,169 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 16:37:55,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:37:55,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:37:55,374 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 16:37:55,378 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:37:55,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:37:55 BoogieIcfgContainer [2022-12-13 16:37:55,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:37:55,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:37:55,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:37:55,399 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:37:55,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:37:54" (3/4) ... [2022-12-13 16:37:55,401 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 16:37:55,434 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:37:55,434 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:37:55,435 INFO L158 Benchmark]: Toolchain (without parser) took 1741.98ms. Allocated memory is still 73.4MB. Free memory was 48.0MB in the beginning and 34.8MB in the end (delta: 13.2MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-12-13 16:37:55,435 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory is still 40.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:37:55,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 828.73ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 35.8MB in the end (delta: 12.0MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-12-13 16:37:55,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.74ms. Allocated memory is still 73.4MB. Free memory was 35.8MB in the beginning and 32.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 16:37:55,436 INFO L158 Benchmark]: Boogie Preprocessor took 20.60ms. Allocated memory is still 73.4MB. Free memory was 32.6MB in the beginning and 30.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:37:55,436 INFO L158 Benchmark]: RCFGBuilder took 287.08ms. Allocated memory is still 73.4MB. Free memory was 30.5MB in the beginning and 35.4MB in the end (delta: -4.9MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2022-12-13 16:37:55,437 INFO L158 Benchmark]: TraceAbstraction took 526.80ms. Allocated memory is still 73.4MB. Free memory was 34.9MB in the beginning and 37.3MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:37:55,437 INFO L158 Benchmark]: Witness Printer took 35.53ms. Allocated memory is still 73.4MB. Free memory was 37.3MB in the beginning and 34.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:37:55,440 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory is still 40.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 828.73ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 35.8MB in the end (delta: 12.0MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.74ms. Allocated memory is still 73.4MB. Free memory was 35.8MB in the beginning and 32.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.60ms. Allocated memory is still 73.4MB. Free memory was 32.6MB in the beginning and 30.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 287.08ms. Allocated memory is still 73.4MB. Free memory was 30.5MB in the beginning and 35.4MB in the end (delta: -4.9MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * TraceAbstraction took 526.80ms. Allocated memory is still 73.4MB. Free memory was 34.9MB in the beginning and 37.3MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 35.53ms. Allocated memory is still 73.4MB. Free memory was 37.3MB in the beginning and 34.8MB in the end (delta: 2.5MB). 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: 1568]: 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] [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_sub_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_sub_65b_badSink; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [={-1:0}, data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=0, rand()=0, rand()=2147483647, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CALL funcPtr(data) [L1568] data - 1 VAL [\old(data)=-2147483648, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-12-13 16:37:55,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fdef909-a690-4d1a-9ab7-35415820c174/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)