./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_34_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1fd2eb54d0407ef385581eaf20c0bf9bcedea2ca0b141875302d6385472bb2da --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 06:44:35,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:44:35,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:44:35,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:44:35,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:44:35,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:44:35,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:44:35,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:44:35,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:44:35,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:44:35,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:44:35,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:44:35,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:44:35,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:44:35,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:44:35,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:44:35,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:44:35,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:44:35,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:44:35,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:44:35,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:44:35,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:44:35,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:44:35,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:44:35,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:44:35,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:44:35,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:44:35,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:44:35,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:44:35,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:44:35,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:44:35,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:44:35,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:44:35,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:44:35,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:44:35,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:44:35,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:44:35,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:44:35,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:44:35,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:44:35,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:44:35,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 06:44:35,808 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:44:35,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:44:35,808 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:44:35,808 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:44:35,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:44:35,809 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:44:35,809 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:44:35,809 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:44:35,809 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:44:35,821 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:44:35,822 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:44:35,822 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:44:35,823 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:44:35,823 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:44:35,823 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:44:35,823 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:44:35,824 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:44:35,824 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:44:35,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:44:35,825 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:44:35,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:44:35,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:44:35,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:44:35,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:44:35,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:44:35,826 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 06:44:35,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:44:35,826 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:44:35,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:44:35,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:44:35,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:44:35,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:44:35,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:44:35,828 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:44:35,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:44:35,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:44:35,828 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:44:35,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:44:35,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:44:35,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:44:35,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fd2eb54d0407ef385581eaf20c0bf9bcedea2ca0b141875302d6385472bb2da [2022-12-14 06:44:36,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:44:36,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:44:36,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:44:36,026 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:44:36,026 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:44:36,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_34_bad.i [2022-12-14 06:44:38,571 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:44:38,859 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:44:38,859 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_34_bad.i [2022-12-14 06:44:38,876 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/data/c31381dbe/e1cef2fbac6d4e02a6833e951b2eea67/FLAG81e12332a [2022-12-14 06:44:39,132 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/data/c31381dbe/e1cef2fbac6d4e02a6833e951b2eea67 [2022-12-14 06:44:39,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:44:39,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:44:39,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:44:39,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:44:39,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:44:39,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:44:39" (1/1) ... [2022-12-14 06:44:39,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e72133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:39, skipping insertion in model container [2022-12-14 06:44:39,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:44:39" (1/1) ... [2022-12-14 06:44:39,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:44:39,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:44:39,425 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 06:44:39,783 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 06:44:39,788 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:44:39,790 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:44:39,792 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:44:39,793 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:44:39,820 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 06:44:39,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:44:39,830 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:44:39,848 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 06:44:39,884 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 06:44:39,885 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:44:39,886 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:44:39,888 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:44:39,888 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:44:39,892 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 06:44:39,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:44:39,974 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:44:39,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:39 WrapperNode [2022-12-14 06:44:39,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:44:39,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:44:39,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:44:39,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:44:39,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:39" (1/1) ... [2022-12-14 06:44:39,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:39" (1/1) ... [2022-12-14 06:44:40,012 INFO L138 Inliner]: procedures = 499, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2022-12-14 06:44:40,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:44:40,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:44:40,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:44:40,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:44:40,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:39" (1/1) ... [2022-12-14 06:44:40,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:39" (1/1) ... [2022-12-14 06:44:40,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:39" (1/1) ... [2022-12-14 06:44:40,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:39" (1/1) ... [2022-12-14 06:44:40,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:39" (1/1) ... [2022-12-14 06:44:40,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:39" (1/1) ... [2022-12-14 06:44:40,028 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:39" (1/1) ... [2022-12-14 06:44:40,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:39" (1/1) ... [2022-12-14 06:44:40,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:44:40,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:44:40,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:44:40,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:44:40,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:39" (1/1) ... [2022-12-14 06:44:40,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:44:40,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:44:40,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:44:40,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:44:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 06:44:40,088 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 06:44:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:44:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:44:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:44:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:44:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:44:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:44:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 06:44:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:44:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:44:40,186 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:44:40,188 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:44:40,320 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:44:40,386 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:44:40,386 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 06:44:40,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:44:40 BoogieIcfgContainer [2022-12-14 06:44:40,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:44:40,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:44:40,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:44:40,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:44:40,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:44:39" (1/3) ... [2022-12-14 06:44:40,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1571b8f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:44:40, skipping insertion in model container [2022-12-14 06:44:40,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:39" (2/3) ... [2022-12-14 06:44:40,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1571b8f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:44:40, skipping insertion in model container [2022-12-14 06:44:40,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:44:40" (3/3) ... [2022-12-14 06:44:40,397 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_34_bad.i [2022-12-14 06:44:40,416 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:44:40,416 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 06:44:40,463 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:44:40,467 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6b3a91e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:44:40,467 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 06:44:40,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 06:44:40,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 06:44:40,479 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:44:40,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 06:44:40,480 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 06:44:40,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:44:40,486 INFO L85 PathProgramCache]: Analyzing trace with hash 2064580149, now seen corresponding path program 1 times [2022-12-14 06:44:40,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:44:40,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885437609] [2022-12-14 06:44:40,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:44:40,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:44:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:44:40,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:44:40,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:44:40,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885437609] [2022-12-14 06:44:40,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885437609] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:44:40,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:44:40,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:44:40,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212719802] [2022-12-14 06:44:40,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:44:40,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:44:40,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:44:40,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:44:40,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:44:40,885 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 06:44:40,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:44:40,920 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-12-14 06:44:40,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:44:40,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2022-12-14 06:44:40,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:44:40,930 INFO L225 Difference]: With dead ends: 12 [2022-12-14 06:44:40,930 INFO L226 Difference]: Without dead ends: 8 [2022-12-14 06:44:40,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:44:40,936 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:44:40,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:44:40,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-12-14 06:44:40,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-12-14 06:44:40,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 06:44:40,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-12-14 06:44:40,963 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-12-14 06:44:40,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:44:40,963 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-12-14 06:44:40,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 06:44:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-12-14 06:44:40,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 06:44:40,964 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:44:40,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:44:40,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:44:40,965 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 06:44:40,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:44:40,965 INFO L85 PathProgramCache]: Analyzing trace with hash -422524768, now seen corresponding path program 1 times [2022-12-14 06:44:40,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:44:40,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70215827] [2022-12-14 06:44:40,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:44:40,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:44:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:44:41,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 06:44:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:44:41,047 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 06:44:41,047 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 06:44:41,048 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 06:44:41,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 06:44:41,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 06:44:41,054 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 06:44:41,057 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:44:41,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:44:41 BoogieIcfgContainer [2022-12-14 06:44:41,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:44:41,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:44:41,073 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:44:41,073 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:44:41,074 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:44:40" (3/4) ... [2022-12-14 06:44:41,076 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 06:44:41,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:44:41,077 INFO L158 Benchmark]: Toolchain (without parser) took 1941.61ms. Allocated memory was 146.8MB in the beginning and 230.7MB in the end (delta: 83.9MB). Free memory was 111.3MB in the beginning and 164.7MB in the end (delta: -53.4MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2022-12-14 06:44:41,077 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:44:41,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.99ms. Allocated memory is still 146.8MB. Free memory was 110.9MB in the beginning and 108.2MB in the end (delta: 2.6MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2022-12-14 06:44:41,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.87ms. Allocated memory is still 146.8MB. Free memory was 108.2MB in the beginning and 105.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 06:44:41,078 INFO L158 Benchmark]: Boogie Preprocessor took 18.93ms. Allocated memory is still 146.8MB. Free memory was 105.4MB in the beginning and 104.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:44:41,079 INFO L158 Benchmark]: RCFGBuilder took 356.63ms. Allocated memory is still 146.8MB. Free memory was 103.3MB in the beginning and 83.8MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 06:44:41,079 INFO L158 Benchmark]: TraceAbstraction took 681.96ms. Allocated memory was 146.8MB in the beginning and 230.7MB in the end (delta: 83.9MB). Free memory was 83.1MB in the beginning and 164.7MB in the end (delta: -81.6MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2022-12-14 06:44:41,079 INFO L158 Benchmark]: Witness Printer took 3.48ms. Allocated memory is still 230.7MB. Free memory is still 164.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:44:41,081 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 116.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 837.99ms. Allocated memory is still 146.8MB. Free memory was 110.9MB in the beginning and 108.2MB in the end (delta: 2.6MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.87ms. Allocated memory is still 146.8MB. Free memory was 108.2MB in the beginning and 105.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.93ms. Allocated memory is still 146.8MB. Free memory was 105.4MB in the beginning and 104.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 356.63ms. Allocated memory is still 146.8MB. Free memory was 103.3MB in the beginning and 83.8MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 681.96ms. Allocated memory was 146.8MB in the beginning and 230.7MB in the end (delta: 83.9MB). Free memory was 83.1MB in the beginning and 164.7MB in the end (delta: -81.6MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. * Witness Printer took 3.48ms. Allocated memory is still 230.7MB. Free memory is still 164.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1558, overapproximation of bitwiseAnd at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1572] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1572] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483652:2147483651}, argv={2147483652:2147483651}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] CALL CWE190_Integer_Overflow__int_rand_preinc_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_rand_preinc_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] ++data VAL [data=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={5:0}] - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 06:44:41,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1fd2eb54d0407ef385581eaf20c0bf9bcedea2ca0b141875302d6385472bb2da --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 06:44:42,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:44:42,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:44:42,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:44:42,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:44:42,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:44:42,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:44:42,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:44:42,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:44:42,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:44:42,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:44:42,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:44:42,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:44:42,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:44:42,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:44:42,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:44:42,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:44:42,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:44:42,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:44:42,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:44:42,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:44:42,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:44:42,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:44:42,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:44:42,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:44:42,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:44:42,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:44:42,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:44:42,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:44:42,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:44:42,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:44:42,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:44:42,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:44:42,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:44:42,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:44:42,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:44:42,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:44:42,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:44:42,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:44:42,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:44:42,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:44:42,819 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 06:44:42,840 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:44:42,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:44:42,840 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:44:42,840 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:44:42,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:44:42,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:44:42,841 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:44:42,841 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:44:42,842 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:44:42,842 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:44:42,842 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:44:42,842 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:44:42,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:44:42,843 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:44:42,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:44:42,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:44:42,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:44:42,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:44:42,844 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 06:44:42,844 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 06:44:42,844 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 06:44:42,844 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 06:44:42,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:44:42,844 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:44:42,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:44:42,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:44:42,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 06:44:42,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:44:42,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:44:42,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:44:42,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:44:42,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:44:42,846 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 06:44:42,846 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 06:44:42,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:44:42,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:44:42,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 06:44:42,847 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fd2eb54d0407ef385581eaf20c0bf9bcedea2ca0b141875302d6385472bb2da [2022-12-14 06:44:43,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:44:43,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:44:43,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:44:43,105 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:44:43,106 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:44:43,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_34_bad.i [2022-12-14 06:44:45,796 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:44:46,037 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:44:46,038 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_34_bad.i [2022-12-14 06:44:46,060 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/data/efdaa8e33/fc35633b19ca4e93849c7e161efc4f3b/FLAGa7b79023f [2022-12-14 06:44:46,070 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/data/efdaa8e33/fc35633b19ca4e93849c7e161efc4f3b [2022-12-14 06:44:46,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:44:46,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:44:46,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:44:46,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:44:46,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:44:46,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:44:46" (1/1) ... [2022-12-14 06:44:46,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@492bcbe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:46, skipping insertion in model container [2022-12-14 06:44:46,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:44:46" (1/1) ... [2022-12-14 06:44:46,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:44:46,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:44:46,427 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 06:44:46,750 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 06:44:46,755 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:44:46,756 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:44:46,758 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:44:46,758 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:44:46,779 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 06:44:46,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:44:46,805 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:44:46,827 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 06:44:46,870 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 06:44:46,872 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:44:46,873 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:44:46,874 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:44:46,875 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:44:46,879 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 06:44:46,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:44:46,984 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:44:46,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:46 WrapperNode [2022-12-14 06:44:46,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:44:46,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:44:46,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:44:46,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:44:46,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:46" (1/1) ... [2022-12-14 06:44:47,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:46" (1/1) ... [2022-12-14 06:44:47,040 INFO L138 Inliner]: procedures = 504, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2022-12-14 06:44:47,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:44:47,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:44:47,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:44:47,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:44:47,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:46" (1/1) ... [2022-12-14 06:44:47,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:46" (1/1) ... [2022-12-14 06:44:47,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:46" (1/1) ... [2022-12-14 06:44:47,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:46" (1/1) ... [2022-12-14 06:44:47,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:46" (1/1) ... [2022-12-14 06:44:47,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:46" (1/1) ... [2022-12-14 06:44:47,066 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:46" (1/1) ... [2022-12-14 06:44:47,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:46" (1/1) ... [2022-12-14 06:44:47,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:44:47,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:44:47,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:44:47,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:44:47,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:46" (1/1) ... [2022-12-14 06:44:47,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:44:47,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:44:47,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:44:47,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:44:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 06:44:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 06:44:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:44:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 06:44:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:44:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:44:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:44:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 06:44:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:44:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 06:44:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 06:44:47,247 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:44:47,249 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:44:47,365 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:44:47,370 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:44:47,370 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 06:44:47,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:44:47 BoogieIcfgContainer [2022-12-14 06:44:47,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:44:47,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:44:47,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:44:47,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:44:47,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:44:46" (1/3) ... [2022-12-14 06:44:47,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc4155f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:44:47, skipping insertion in model container [2022-12-14 06:44:47,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:44:46" (2/3) ... [2022-12-14 06:44:47,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc4155f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:44:47, skipping insertion in model container [2022-12-14 06:44:47,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:44:47" (3/3) ... [2022-12-14 06:44:47,380 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_34_bad.i [2022-12-14 06:44:47,397 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:44:47,397 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 06:44:47,430 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:44:47,436 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1cb4939d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:44:47,437 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 06:44:47,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 06:44:47,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 06:44:47,448 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:44:47,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:44:47,449 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 06:44:47,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:44:47,454 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-12-14 06:44:47,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:44:47,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352101730] [2022-12-14 06:44:47,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:44:47,463 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:44:47,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:44:47,464 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 06:44:47,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 06:44:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:44:47,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 06:44:47,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:44:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:44:47,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:44:47,584 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:44:47,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1352101730] [2022-12-14 06:44:47,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1352101730] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:44:47,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:44:47,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 06:44:47,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897033256] [2022-12-14 06:44:47,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:44:47,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 06:44:47,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:44:47,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 06:44:47,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 06:44:47,611 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 06:44:47,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:44:47,627 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-12-14 06:44:47,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 06:44:47,628 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-14 06:44:47,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:44:47,633 INFO L225 Difference]: With dead ends: 21 [2022-12-14 06:44:47,633 INFO L226 Difference]: Without dead ends: 13 [2022-12-14 06:44:47,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 06:44:47,639 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:44:47,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:44:47,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-14 06:44:47,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-14 06:44:47,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 06:44:47,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-14 06:44:47,668 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-14 06:44:47,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:44:47,668 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-14 06:44:47,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 06:44:47,668 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-14 06:44:47,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 06:44:47,669 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:44:47,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:44:47,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 06:44:47,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:44:47,871 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 06:44:47,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:44:47,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1595656915, now seen corresponding path program 1 times [2022-12-14 06:44:47,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:44:47,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568172460] [2022-12-14 06:44:47,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:44:47,876 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:44:47,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:44:47,880 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 06:44:47,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 06:44:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:44:48,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 06:44:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:44:48,162 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 06:44:48,162 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 06:44:48,164 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 06:44:48,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 06:44:48,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 06:44:48,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:44:48,377 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 06:44:48,389 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:44:48,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:44:48 BoogieIcfgContainer [2022-12-14 06:44:48,453 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:44:48,455 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:44:48,455 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:44:48,455 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:44:48,457 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:44:47" (3/4) ... [2022-12-14 06:44:48,461 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 06:44:48,503 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 06:44:48,503 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:44:48,503 INFO L158 Benchmark]: Toolchain (without parser) took 2430.21ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 57.2MB in the beginning and 63.5MB in the end (delta: -6.3MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-12-14 06:44:48,503 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 81.8MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:44:48,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 911.32ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 56.9MB in the beginning and 31.7MB in the end (delta: 25.2MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2022-12-14 06:44:48,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.55ms. Allocated memory is still 98.6MB. Free memory was 31.7MB in the beginning and 74.0MB in the end (delta: -42.3MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-12-14 06:44:48,504 INFO L158 Benchmark]: Boogie Preprocessor took 30.14ms. Allocated memory is still 98.6MB. Free memory was 74.0MB in the beginning and 71.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:44:48,505 INFO L158 Benchmark]: RCFGBuilder took 300.69ms. Allocated memory is still 98.6MB. Free memory was 71.9MB in the beginning and 57.9MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 06:44:48,505 INFO L158 Benchmark]: TraceAbstraction took 1078.86ms. Allocated memory is still 98.6MB. Free memory was 57.2MB in the beginning and 65.7MB in the end (delta: -8.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:44:48,505 INFO L158 Benchmark]: Witness Printer took 47.98ms. Allocated memory is still 98.6MB. Free memory was 65.7MB in the beginning and 63.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:44:48,507 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 81.8MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 911.32ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 56.9MB in the beginning and 31.7MB in the end (delta: 25.2MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.55ms. Allocated memory is still 98.6MB. Free memory was 31.7MB in the beginning and 74.0MB in the end (delta: -42.3MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.14ms. Allocated memory is still 98.6MB. Free memory was 74.0MB in the beginning and 71.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 300.69ms. Allocated memory is still 98.6MB. Free memory was 71.9MB in the beginning and 57.9MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1078.86ms. Allocated memory is still 98.6MB. Free memory was 57.2MB in the beginning and 65.7MB in the end (delta: -8.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.98ms. Allocated memory is still 98.6MB. Free memory was 65.7MB in the beginning and 63.5MB 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: 1563]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1572] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] CALL CWE190_Integer_Overflow__int_rand_preinc_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_rand_preinc_34_unionType myUnion; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={5:0}, rand()=0, rand()=0, rand()=2, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] ++data VAL [data=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={5:0}] - UnprovableResult [Line: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 22 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 69 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 06:44:48,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56d8d12-1f63-4d26-9af0-1e1a485e822e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)