./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/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_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/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_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/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 918ffbe440a900f7c34a1863e6d1c806539a7662402af5c1949944fe9f9195a9 --- 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 13:39:04,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:39:04,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:39:04,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:39:04,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:39:04,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:39:04,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:39:04,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:39:04,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:39:04,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:39:04,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:39:04,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:39:04,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:39:04,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:39:04,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:39:04,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:39:04,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:39:04,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:39:04,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:39:04,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:39:04,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:39:04,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:39:04,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:39:04,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:39:04,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:39:04,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:39:04,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:39:04,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:39:04,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:39:04,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:39:04,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:39:04,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:39:04,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:39:04,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:39:04,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:39:04,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:39:04,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:39:04,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:39:04,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:39:04,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:39:04,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:39:04,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 13:39:04,789 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:39:04,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:39:04,789 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:39:04,790 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:39:04,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:39:04,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:39:04,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:39:04,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:39:04,792 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:39:04,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:39:04,792 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:39:04,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:39:04,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:39:04,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:39:04,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:39:04,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:39:04,793 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:39:04,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:39:04,793 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:39:04,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:39:04,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:39:04,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:39:04,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:39:04,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:39:04,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:39:04,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:39:04,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:39:04,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:39:04,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:39:04,795 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:39:04,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:39:04,795 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:39:04,795 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:39:04,796 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:39:04,796 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_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 918ffbe440a900f7c34a1863e6d1c806539a7662402af5c1949944fe9f9195a9 [2022-12-13 13:39:05,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:39:05,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:39:05,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:39:05,017 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:39:05,017 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:39:05,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_21_bad.i [2022-12-13 13:39:07,637 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:39:07,873 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:39:07,873 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_21_bad.i [2022-12-13 13:39:07,891 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/data/f0b1593aa/daec09376b6b48a0865e6eeac76f9b14/FLAG1303a8807 [2022-12-13 13:39:07,901 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/data/f0b1593aa/daec09376b6b48a0865e6eeac76f9b14 [2022-12-13 13:39:07,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:39:07,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:39:07,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:39:07,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:39:07,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:39:07,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:39:07" (1/1) ... [2022-12-13 13:39:07,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bf8f538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:07, skipping insertion in model container [2022-12-13 13:39:07,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:39:07" (1/1) ... [2022-12-13 13:39:07,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:39:07,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:39:08,173 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:39:08,485 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:39:08,490 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:39:08,492 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:39:08,494 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:39:08,495 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:39:08,524 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:39:08,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:39:08,535 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:39:08,553 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:39:08,583 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:39:08,584 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:39:08,585 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:39:08,586 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:39:08,587 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:39:08,590 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:39:08,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:39:08,665 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:39:08,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:08 WrapperNode [2022-12-13 13:39:08,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:39:08,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:39:08,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:39:08,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:39:08,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:08" (1/1) ... [2022-12-13 13:39:08,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:08" (1/1) ... [2022-12-13 13:39:08,704 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-12-13 13:39:08,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:39:08,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:39:08,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:39:08,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:39:08,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:08" (1/1) ... [2022-12-13 13:39:08,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:08" (1/1) ... [2022-12-13 13:39:08,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:08" (1/1) ... [2022-12-13 13:39:08,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:08" (1/1) ... [2022-12-13 13:39:08,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:08" (1/1) ... [2022-12-13 13:39:08,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:08" (1/1) ... [2022-12-13 13:39:08,721 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:08" (1/1) ... [2022-12-13 13:39:08,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:08" (1/1) ... [2022-12-13 13:39:08,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:39:08,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:39:08,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:39:08,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:39:08,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:08" (1/1) ... [2022-12-13 13:39:08,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:39:08,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:39:08,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:39:08,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:39:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 13:39:08,782 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 13:39:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:39:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:39:08,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:39:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 13:39:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:39:08,886 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:39:08,888 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:39:09,007 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:39:09,011 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:39:09,012 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:39:09,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:39:09 BoogieIcfgContainer [2022-12-13 13:39:09,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:39:09,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:39:09,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:39:09,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:39:09,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:39:07" (1/3) ... [2022-12-13 13:39:09,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448bacec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:39:09, skipping insertion in model container [2022-12-13 13:39:09,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:08" (2/3) ... [2022-12-13 13:39:09,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448bacec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:39:09, skipping insertion in model container [2022-12-13 13:39:09,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:39:09" (3/3) ... [2022-12-13 13:39:09,020 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_21_bad.i [2022-12-13 13:39:09,034 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:39:09,034 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 13:39:09,069 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:39:09,074 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;@5f7f78c7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:39:09,074 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 13:39:09,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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 13:39:09,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 13:39:09,083 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:39:09,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:39:09,083 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:39:09,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:39:09,087 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-13 13:39:09,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:39:09,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761091372] [2022-12-13 13:39:09,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:39:09,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:39:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:39:09,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:39:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:39:09,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:39:09,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:39:09,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761091372] [2022-12-13 13:39:09,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761091372] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:39:09,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:39:09,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:39:09,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936974551] [2022-12-13 13:39:09,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:39:09,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:39:09,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:39:09,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:39:09,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:39:09,439 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:39:09,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:39:09,478 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-12-13 13:39:09,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 13:39:09,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 13:39:09,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:39:09,485 INFO L225 Difference]: With dead ends: 23 [2022-12-13 13:39:09,486 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 13:39:09,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:39:09,490 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 12 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:39:09,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 53 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:39:09,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 13:39:09,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 13:39:09,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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) [2022-12-13 13:39:09,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 13:39:09,516 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-13 13:39:09,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:39:09,516 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 13:39:09,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:39:09,517 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 13:39:09,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 13:39:09,517 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:39:09,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:39:09,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:39:09,518 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:39:09,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:39:09,518 INFO L85 PathProgramCache]: Analyzing trace with hash 149558707, now seen corresponding path program 1 times [2022-12-13 13:39:09,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:39:09,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755655492] [2022-12-13 13:39:09,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:39:09,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:39:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:39:09,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:39:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:39:09,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:39:09,575 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:39:09,577 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 13:39:09,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 13:39:09,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:39:09,581 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 13:39:09,584 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:39:09,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:39:09 BoogieIcfgContainer [2022-12-13 13:39:09,601 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:39:09,602 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:39:09,602 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:39:09,602 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:39:09,602 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:39:09" (3/4) ... [2022-12-13 13:39:09,605 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:39:09,605 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:39:09,605 INFO L158 Benchmark]: Toolchain (without parser) took 1701.19ms. Allocated memory is still 146.8MB. Free memory was 115.4MB in the beginning and 56.8MB in the end (delta: 58.7MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2022-12-13 13:39:09,606 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:39:09,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 759.99ms. Allocated memory is still 146.8MB. Free memory was 115.0MB in the beginning and 52.3MB in the end (delta: 62.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-12-13 13:39:09,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.08ms. Allocated memory is still 146.8MB. Free memory was 52.3MB in the beginning and 49.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 13:39:09,607 INFO L158 Benchmark]: Boogie Preprocessor took 25.45ms. Allocated memory is still 146.8MB. Free memory was 49.0MB in the beginning and 117.6MB in the end (delta: -68.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2022-12-13 13:39:09,607 INFO L158 Benchmark]: RCFGBuilder took 281.93ms. Allocated memory is still 146.8MB. Free memory was 117.4MB in the beginning and 104.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 13:39:09,607 INFO L158 Benchmark]: TraceAbstraction took 586.43ms. Allocated memory is still 146.8MB. Free memory was 103.7MB in the beginning and 56.8MB in the end (delta: 46.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-12-13 13:39:09,608 INFO L158 Benchmark]: Witness Printer took 3.20ms. Allocated memory is still 146.8MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:39:09,610 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 759.99ms. Allocated memory is still 146.8MB. Free memory was 115.0MB in the beginning and 52.3MB in the end (delta: 62.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.08ms. Allocated memory is still 146.8MB. Free memory was 52.3MB in the beginning and 49.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.45ms. Allocated memory is still 146.8MB. Free memory was 49.0MB in the beginning and 117.6MB in the end (delta: -68.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * RCFGBuilder took 281.93ms. Allocated memory is still 146.8MB. Free memory was 117.4MB in the beginning and 104.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 586.43ms. Allocated memory is still 146.8MB. Free memory was 103.7MB in the beginning and 56.8MB in the end (delta: 46.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 3.20ms. Allocated memory is still 146.8MB. Free memory is still 56.8MB. 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1564, overapproximation of bitwiseAnd at line 1564. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; VAL [badStatic=0, 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 [badStatic=0, 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)=2147483651, argc=2147483651, argv={2147483649:2147483652}, argv={2147483649:2147483652}, badStatic=0, 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_postinc_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [badStatic=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()=65536, rand()=1, rand()=2147483647, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483649] [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data++ VAL [\old(data)=2147483647, badStatic=1, data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: 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: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 53 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 21 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 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 [2022-12-13 13:39:09,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/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_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/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_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/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 918ffbe440a900f7c34a1863e6d1c806539a7662402af5c1949944fe9f9195a9 --- 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 13:39:11,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:39:11,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:39:11,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:39:11,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:39:11,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:39:11,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:39:11,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:39:11,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:39:11,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:39:11,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:39:11,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:39:11,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:39:11,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:39:11,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:39:11,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:39:11,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:39:11,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:39:11,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:39:11,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:39:11,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:39:11,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:39:11,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:39:11,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:39:11,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:39:11,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:39:11,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:39:11,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:39:11,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:39:11,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:39:11,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:39:11,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:39:11,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:39:11,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:39:11,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:39:11,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:39:11,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:39:11,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:39:11,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:39:11,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:39:11,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:39:11,476 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 13:39:11,502 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:39:11,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:39:11,502 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:39:11,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:39:11,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:39:11,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:39:11,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:39:11,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:39:11,504 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:39:11,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:39:11,505 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:39:11,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:39:11,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:39:11,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:39:11,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:39:11,505 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 13:39:11,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 13:39:11,506 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:39:11,506 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 13:39:11,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:39:11,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:39:11,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:39:11,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:39:11,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:39:11,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:39:11,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:39:11,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:39:11,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:39:11,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:39:11,508 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 13:39:11,508 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 13:39:11,508 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:39:11,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:39:11,508 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:39:11,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:39:11,509 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 13:39:11,509 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:39:11,509 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_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 918ffbe440a900f7c34a1863e6d1c806539a7662402af5c1949944fe9f9195a9 [2022-12-13 13:39:11,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:39:11,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:39:11,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:39:11,726 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:39:11,727 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:39:11,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_21_bad.i [2022-12-13 13:39:14,256 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:39:14,484 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:39:14,485 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_21_bad.i [2022-12-13 13:39:14,499 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/data/0322f7df6/ea71971d22774297b6ff7b37d26f7d20/FLAG8a74da8d8 [2022-12-13 13:39:14,820 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/data/0322f7df6/ea71971d22774297b6ff7b37d26f7d20 [2022-12-13 13:39:14,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:39:14,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:39:14,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:39:14,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:39:14,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:39:14,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:39:14" (1/1) ... [2022-12-13 13:39:14,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f366eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:14, skipping insertion in model container [2022-12-13 13:39:14,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:39:14" (1/1) ... [2022-12-13 13:39:14,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:39:14,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:39:15,088 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:39:15,430 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:39:15,435 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:39:15,436 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:39:15,438 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:39:15,439 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:39:15,461 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:39:15,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:39:15,472 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:39:15,485 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:39:15,528 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:39:15,530 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:39:15,531 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:39:15,533 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:39:15,534 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:39:15,539 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:39:15,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:39:15,624 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:39:15,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15 WrapperNode [2022-12-13 13:39:15,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:39:15,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:39:15,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:39:15,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:39:15,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,663 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-12-13 13:39:15,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:39:15,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:39:15,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:39:15,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:39:15,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,681 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:39:15,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:39:15,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:39:15,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:39:15,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (1/1) ... [2022-12-13 13:39:15,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:39:15,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:39:15,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:39:15,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:39:15,743 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 13:39:15,743 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 13:39:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 13:39:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:39:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:39:15,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:39:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 13:39:15,857 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:39:15,859 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:39:15,970 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:39:15,976 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:39:15,976 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:39:15,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:39:15 BoogieIcfgContainer [2022-12-13 13:39:15,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:39:15,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:39:15,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:39:15,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:39:15,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:39:14" (1/3) ... [2022-12-13 13:39:15,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53aa1bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:39:15, skipping insertion in model container [2022-12-13 13:39:15,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:39:15" (2/3) ... [2022-12-13 13:39:15,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53aa1bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:39:15, skipping insertion in model container [2022-12-13 13:39:15,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:39:15" (3/3) ... [2022-12-13 13:39:15,987 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_21_bad.i [2022-12-13 13:39:16,004 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:39:16,004 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 13:39:16,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:39:16,048 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;@e32098f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:39:16,048 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 13:39:16,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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 13:39:16,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 13:39:16,057 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:39:16,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:39:16,058 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:39:16,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:39:16,063 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-13 13:39:16,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:39:16,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615975838] [2022-12-13 13:39:16,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:39:16,079 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 13:39:16,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:39:16,080 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/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 13:39:16,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/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 13:39:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:39:16,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 13:39:16,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:39:16,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 13:39:16,220 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:39:16,220 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:39:16,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615975838] [2022-12-13 13:39:16,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1615975838] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:39:16,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:39:16,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 13:39:16,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054236815] [2022-12-13 13:39:16,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:39:16,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 13:39:16,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:39:16,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 13:39:16,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:39:16,247 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:39:16,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:39:16,259 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-12-13 13:39:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 13:39:16,261 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 13:39:16,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:39:16,265 INFO L225 Difference]: With dead ends: 23 [2022-12-13 13:39:16,266 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 13:39:16,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:39:16,270 INFO L413 NwaCegarLoop]: 25 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, 25 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 [2022-12-13 13:39:16,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:39:16,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 13:39:16,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 13:39:16,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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) [2022-12-13 13:39:16,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 13:39:16,292 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-13 13:39:16,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:39:16,292 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 13:39:16,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:39:16,293 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 13:39:16,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 13:39:16,293 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:39:16,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:39:16,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/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 13:39:16,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/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 13:39:16,495 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:39:16,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:39:16,497 INFO L85 PathProgramCache]: Analyzing trace with hash 149558707, now seen corresponding path program 1 times [2022-12-13 13:39:16,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:39:16,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [534508734] [2022-12-13 13:39:16,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:39:16,501 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 13:39:16,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:39:16,504 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/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 13:39:16,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/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 (3)] Waiting until timeout for monitored process [2022-12-13 13:39:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:39:16,670 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:39:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:39:16,723 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 13:39:16,723 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:39:16,724 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 13:39:16,726 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 13:39:16,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/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 (3)] Ended with exit code 0 [2022-12-13 13:39:16,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/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 13:39:16,933 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 13:39:16,941 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:39:16,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:39:16 BoogieIcfgContainer [2022-12-13 13:39:16,976 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:39:16,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:39:16,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:39:16,977 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:39:16,977 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:39:15" (3/4) ... [2022-12-13 13:39:16,979 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 13:39:17,005 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:39:17,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:39:17,006 INFO L158 Benchmark]: Toolchain (without parser) took 2182.36ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 39.6MB in the beginning and 52.8MB in the end (delta: -13.2MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2022-12-13 13:39:17,006 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 50.3MB. Free memory was 28.8MB in the beginning and 28.8MB in the end (delta: 78.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:39:17,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 800.28ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 39.4MB in the beginning and 59.4MB in the end (delta: -20.1MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2022-12-13 13:39:17,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.54ms. Allocated memory is still 86.0MB. Free memory was 59.4MB in the beginning and 56.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:39:17,007 INFO L158 Benchmark]: Boogie Preprocessor took 20.57ms. Allocated memory is still 86.0MB. Free memory was 56.5MB in the beginning and 54.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:39:17,008 INFO L158 Benchmark]: RCFGBuilder took 294.33ms. Allocated memory is still 86.0MB. Free memory was 54.4MB in the beginning and 41.0MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 13:39:17,008 INFO L158 Benchmark]: TraceAbstraction took 995.01ms. Allocated memory is still 86.0MB. Free memory was 40.1MB in the beginning and 54.9MB in the end (delta: -14.7MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2022-12-13 13:39:17,008 INFO L158 Benchmark]: Witness Printer took 29.02ms. Allocated memory is still 86.0MB. Free memory was 54.9MB in the beginning and 52.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:39:17,010 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 50.3MB. Free memory was 28.8MB in the beginning and 28.8MB in the end (delta: 78.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 800.28ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 39.4MB in the beginning and 59.4MB in the end (delta: -20.1MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.54ms. Allocated memory is still 86.0MB. Free memory was 59.4MB in the beginning and 56.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.57ms. Allocated memory is still 86.0MB. Free memory was 56.5MB in the beginning and 54.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 294.33ms. Allocated memory is still 86.0MB. Free memory was 54.4MB in the beginning and 41.0MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 995.01ms. Allocated memory is still 86.0MB. Free memory was 40.1MB in the beginning and 54.9MB in the end (delta: -14.7MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Witness Printer took 29.02ms. Allocated memory is still 86.0MB. Free memory was 54.9MB in the beginning and 52.8MB in the end (delta: 2.1MB). 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: 1554]: 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); [L1548] static int badStatic = 0; VAL [badStatic=0, 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 [badStatic=0, 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}, badStatic=0, 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_postinc_21_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [badStatic=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()=65536, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data++ VAL [\old(data)=2147483647, badStatic=1, data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 25 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, 25 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 57 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! [2022-12-13 13:39:17,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ab45b3-9afe-49d0-b2c2-0a94bdf9c6af/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)