./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_66_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_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/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_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/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_7ae16f89-c73e-4b69-9171-8f27030cdf43/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 2014e05a16a07bc8f40f734ac3e45608569d85f33e096fbb82aedc12acd7af31 --- 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 08:36:04,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:36:04,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:36:04,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:36:04,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:36:04,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:36:04,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:36:04,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:36:04,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:36:04,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:36:04,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:36:04,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:36:04,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:36:04,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:36:04,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:36:04,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:36:04,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:36:04,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:36:04,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:36:04,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:36:04,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:36:04,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:36:04,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:36:04,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:36:04,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:36:04,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:36:04,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:36:04,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:36:04,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:36:04,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:36:04,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:36:04,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:36:04,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:36:04,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:36:04,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:36:04,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:36:04,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:36:04,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:36:04,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:36:04,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:36:04,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:36:04,877 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 08:36:04,895 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:36:04,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:36:04,896 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:36:04,896 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:36:04,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:36:04,897 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:36:04,897 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:36:04,897 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:36:04,897 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:36:04,897 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:36:04,897 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:36:04,898 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:36:04,898 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:36:04,898 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:36:04,898 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:36:04,898 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:36:04,898 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:36:04,898 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:36:04,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:36:04,899 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:36:04,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:36:04,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:36:04,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:36:04,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:36:04,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:36:04,900 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 08:36:04,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:36:04,900 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:36:04,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:36:04,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:36:04,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:36:04,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:36:04,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:36:04,901 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:36:04,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:36:04,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:36:04,901 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:36:04,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:36:04,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:36:04,902 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:36:04,902 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_7ae16f89-c73e-4b69-9171-8f27030cdf43/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2014e05a16a07bc8f40f734ac3e45608569d85f33e096fbb82aedc12acd7af31 [2022-12-14 08:36:05,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:36:05,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:36:05,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:36:05,120 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:36:05,120 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:36:05,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_66_bad.i [2022-12-14 08:36:07,801 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:36:08,069 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:36:08,069 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_66_bad.i [2022-12-14 08:36:08,095 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/data/44e9d6d43/4dfc35f49d2f43cb89c2e7b8119cb074/FLAG20be94d5b [2022-12-14 08:36:08,107 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/data/44e9d6d43/4dfc35f49d2f43cb89c2e7b8119cb074 [2022-12-14 08:36:08,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:36:08,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:36:08,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:36:08,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:36:08,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:36:08,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:36:08" (1/1) ... [2022-12-14 08:36:08,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4151996c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:08, skipping insertion in model container [2022-12-14 08:36:08,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:36:08" (1/1) ... [2022-12-14 08:36:08,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:36:08,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:36:08,463 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:36:08,808 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:36:08,814 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:36:08,815 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:36:08,818 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:36:08,819 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:36:08,841 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:36:08,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:36:08,854 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:36:08,870 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:36:08,915 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:36:08,917 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:36:08,918 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:36:08,920 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:36:08,921 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:36:08,926 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:36:08,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:36:09,037 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:36:09,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:09 WrapperNode [2022-12-14 08:36:09,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:36:09,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:36:09,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:36:09,039 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:36:09,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:09" (1/1) ... [2022-12-14 08:36:09,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:09" (1/1) ... [2022-12-14 08:36:09,083 INFO L138 Inliner]: procedures = 500, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2022-12-14 08:36:09,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:36:09,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:36:09,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:36:09,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:36:09,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:09" (1/1) ... [2022-12-14 08:36:09,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:09" (1/1) ... [2022-12-14 08:36:09,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:09" (1/1) ... [2022-12-14 08:36:09,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:09" (1/1) ... [2022-12-14 08:36:09,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:09" (1/1) ... [2022-12-14 08:36:09,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:09" (1/1) ... [2022-12-14 08:36:09,102 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:09" (1/1) ... [2022-12-14 08:36:09,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:09" (1/1) ... [2022-12-14 08:36:09,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:36:09,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:36:09,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:36:09,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:36:09,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:09" (1/1) ... [2022-12-14 08:36:09,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:36:09,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:36:09,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:36:09,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:36:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 08:36:09,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 08:36:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:36:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:36:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:36:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:36:09,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:36:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:36:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 08:36:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:36:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:36:09,261 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:36:09,263 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:36:09,381 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:36:09,443 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:36:09,443 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 08:36:09,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:36:09 BoogieIcfgContainer [2022-12-14 08:36:09,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:36:09,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:36:09,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:36:09,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:36:09,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:36:08" (1/3) ... [2022-12-14 08:36:09,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798814ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:36:09, skipping insertion in model container [2022-12-14 08:36:09,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:09" (2/3) ... [2022-12-14 08:36:09,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798814ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:36:09, skipping insertion in model container [2022-12-14 08:36:09,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:36:09" (3/3) ... [2022-12-14 08:36:09,451 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_66_bad.i [2022-12-14 08:36:09,464 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:36:09,465 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 08:36:09,496 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:36:09,500 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;@5c988e9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:36:09,501 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 08:36:09,503 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 08:36:09,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 08:36:09,508 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:36:09,509 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 08:36:09,509 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 08:36:09,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:36:09,513 INFO L85 PathProgramCache]: Analyzing trace with hash 2123687601, now seen corresponding path program 1 times [2022-12-14 08:36:09,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:36:09,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215958922] [2022-12-14 08:36:09,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:36:09,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:36:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:36:09,989 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 08:36:09,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:36:09,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215958922] [2022-12-14 08:36:09,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215958922] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:36:09,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:36:09,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:36:09,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100361405] [2022-12-14 08:36:09,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:36:09,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:36:09,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:36:10,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:36:10,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:36:10,028 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 08:36:10,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:36:10,064 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-12-14 08:36:10,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:36:10,065 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 08:36:10,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:36:10,070 INFO L225 Difference]: With dead ends: 12 [2022-12-14 08:36:10,070 INFO L226 Difference]: Without dead ends: 8 [2022-12-14 08:36:10,072 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 08:36:10,074 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:36:10,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:36:10,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-12-14 08:36:10,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-12-14 08:36:10,097 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 08:36:10,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-12-14 08:36:10,099 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-12-14 08:36:10,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:36:10,099 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-12-14 08:36:10,099 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 08:36:10,099 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-12-14 08:36:10,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 08:36:10,100 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:36:10,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:36:10,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:36:10,100 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 08:36:10,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:36:10,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1409806244, now seen corresponding path program 1 times [2022-12-14 08:36:10,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:36:10,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351731372] [2022-12-14 08:36:10,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:36:10,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:36:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:36:10,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:36:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:36:10,177 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 08:36:10,177 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:36:10,179 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 08:36:10,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 08:36:10,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:36:10,184 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 08:36:10,187 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:36:10,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:36:10 BoogieIcfgContainer [2022-12-14 08:36:10,207 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:36:10,208 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:36:10,208 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:36:10,208 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:36:10,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:36:09" (3/4) ... [2022-12-14 08:36:10,211 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 08:36:10,211 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:36:10,212 INFO L158 Benchmark]: Toolchain (without parser) took 2101.23ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 118.8MB in the beginning and 102.0MB in the end (delta: 16.8MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2022-12-14 08:36:10,212 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 165.7MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:36:10,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 925.96ms. Allocated memory is still 165.7MB. Free memory was 118.8MB in the beginning and 115.6MB in the end (delta: 3.3MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2022-12-14 08:36:10,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.89ms. Allocated memory is still 165.7MB. Free memory was 115.6MB in the beginning and 113.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:36:10,214 INFO L158 Benchmark]: Boogie Preprocessor took 20.56ms. Allocated memory is still 165.7MB. Free memory was 112.3MB in the beginning and 111.4MB in the end (delta: 950.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:36:10,214 INFO L158 Benchmark]: RCFGBuilder took 340.81ms. Allocated memory is still 165.7MB. Free memory was 111.4MB in the beginning and 90.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 08:36:10,214 INFO L158 Benchmark]: TraceAbstraction took 759.99ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 89.3MB in the beginning and 103.1MB in the end (delta: -13.8MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2022-12-14 08:36:10,215 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 199.2MB. Free memory was 103.1MB in the beginning and 102.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:36:10,217 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 165.7MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 925.96ms. Allocated memory is still 165.7MB. Free memory was 118.8MB in the beginning and 115.6MB in the end (delta: 3.3MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.89ms. Allocated memory is still 165.7MB. Free memory was 115.6MB in the beginning and 113.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.56ms. Allocated memory is still 165.7MB. Free memory was 112.3MB in the beginning and 111.4MB in the end (delta: 950.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 340.81ms. Allocated memory is still 165.7MB. Free memory was 111.4MB in the beginning and 90.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 759.99ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 89.3MB in the beginning and 103.1MB in the end (delta: -13.8MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Witness Printer took 3.82ms. Allocated memory is still 199.2MB. Free memory was 103.1MB in the beginning and 102.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1561] 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) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=8589901825, argc=8589901825, argv={8589901827:8589901826}, argv={8589901827:8589901826}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_rand_postinc_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE190_Integer_Overflow__int_rand_postinc_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] data++ VAL [data=2147483647, data++=2147483647, dataArray={4:0}, dataArray={4:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1570]: 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 11 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, 0.3s 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 08:36:10,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/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_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/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_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/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_7ae16f89-c73e-4b69-9171-8f27030cdf43/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 2014e05a16a07bc8f40f734ac3e45608569d85f33e096fbb82aedc12acd7af31 --- 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 08:36:11,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:36:11,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:36:11,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:36:11,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:36:11,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:36:11,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:36:11,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:36:11,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:36:11,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:36:11,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:36:11,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:36:11,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:36:11,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:36:11,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:36:11,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:36:11,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:36:11,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:36:11,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:36:11,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:36:11,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:36:11,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:36:11,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:36:11,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:36:11,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:36:11,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:36:11,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:36:11,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:36:11,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:36:11,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:36:11,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:36:11,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:36:11,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:36:11,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:36:11,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:36:11,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:36:11,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:36:11,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:36:11,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:36:11,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:36:11,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:36:11,809 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 08:36:11,825 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:36:11,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:36:11,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:36:11,826 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:36:11,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:36:11,826 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:36:11,827 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:36:11,827 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:36:11,827 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:36:11,827 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:36:11,827 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:36:11,827 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:36:11,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:36:11,828 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:36:11,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:36:11,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:36:11,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:36:11,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:36:11,829 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 08:36:11,829 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 08:36:11,829 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 08:36:11,829 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 08:36:11,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:36:11,830 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:36:11,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:36:11,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:36:11,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 08:36:11,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:36:11,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:36:11,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:36:11,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:36:11,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:36:11,831 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 08:36:11,831 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 08:36:11,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:36:11,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:36:11,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 08:36:11,832 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_7ae16f89-c73e-4b69-9171-8f27030cdf43/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2014e05a16a07bc8f40f734ac3e45608569d85f33e096fbb82aedc12acd7af31 [2022-12-14 08:36:12,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:36:12,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:36:12,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:36:12,047 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:36:12,048 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:36:12,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_66_bad.i [2022-12-14 08:36:14,639 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:36:14,910 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:36:14,911 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_66_bad.i [2022-12-14 08:36:14,928 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/data/3b20931e0/185a1743bbfd4f57a995d490063b2f4c/FLAG6549031b1 [2022-12-14 08:36:14,939 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/data/3b20931e0/185a1743bbfd4f57a995d490063b2f4c [2022-12-14 08:36:14,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:36:14,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:36:14,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:36:14,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:36:14,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:36:14,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:36:14" (1/1) ... [2022-12-14 08:36:14,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d42f17b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:14, skipping insertion in model container [2022-12-14 08:36:14,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:36:14" (1/1) ... [2022-12-14 08:36:14,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:36:14,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:36:15,287 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:36:15,583 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:36:15,587 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:36:15,588 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:36:15,589 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:36:15,590 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:36:15,604 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:36:15,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:36:15,617 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:36:15,630 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:36:15,663 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:36:15,664 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:36:15,665 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:36:15,666 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:36:15,667 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:36:15,670 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:36:15,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:36:15,746 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:36:15,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:15 WrapperNode [2022-12-14 08:36:15,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:36:15,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:36:15,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:36:15,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:36:15,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:15" (1/1) ... [2022-12-14 08:36:15,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:15" (1/1) ... [2022-12-14 08:36:15,785 INFO L138 Inliner]: procedures = 505, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2022-12-14 08:36:15,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:36:15,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:36:15,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:36:15,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:36:15,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:15" (1/1) ... [2022-12-14 08:36:15,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:15" (1/1) ... [2022-12-14 08:36:15,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:15" (1/1) ... [2022-12-14 08:36:15,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:15" (1/1) ... [2022-12-14 08:36:15,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:15" (1/1) ... [2022-12-14 08:36:15,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:15" (1/1) ... [2022-12-14 08:36:15,806 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:15" (1/1) ... [2022-12-14 08:36:15,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:15" (1/1) ... [2022-12-14 08:36:15,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:36:15,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:36:15,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:36:15,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:36:15,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:15" (1/1) ... [2022-12-14 08:36:15,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:36:15,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:36:15,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:36:15,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:36:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 08:36:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 08:36:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:36:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 08:36:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:36:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:36:15,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:36:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 08:36:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:36:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 08:36:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 08:36:15,978 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:36:15,980 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:36:16,090 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:36:16,094 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:36:16,094 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 08:36:16,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:36:16 BoogieIcfgContainer [2022-12-14 08:36:16,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:36:16,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:36:16,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:36:16,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:36:16,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:36:14" (1/3) ... [2022-12-14 08:36:16,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738840b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:36:16, skipping insertion in model container [2022-12-14 08:36:16,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:36:15" (2/3) ... [2022-12-14 08:36:16,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738840b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:36:16, skipping insertion in model container [2022-12-14 08:36:16,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:36:16" (3/3) ... [2022-12-14 08:36:16,101 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_66_bad.i [2022-12-14 08:36:16,115 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:36:16,115 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 08:36:16,147 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:36:16,156 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;@58067a97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:36:16,156 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 08:36:16,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 08:36:16,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 08:36:16,164 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:36:16,165 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:36:16,165 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 08:36:16,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:36:16,169 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-14 08:36:16,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:36:16,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006293663] [2022-12-14 08:36:16,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:36:16,179 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 08:36:16,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:36:16,181 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/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 08:36:16,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/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 08:36:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:36:16,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 08:36:16,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:36:16,320 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 08:36:16,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:36:16,321 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:36:16,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006293663] [2022-12-14 08:36:16,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1006293663] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:36:16,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:36:16,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:36:16,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269612641] [2022-12-14 08:36:16,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:36:16,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 08:36:16,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:36:16,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 08:36:16,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 08:36:16,357 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) 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 08:36:16,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:36:16,373 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-12-14 08:36:16,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 08:36:16,375 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 08:36:16,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:36:16,381 INFO L225 Difference]: With dead ends: 22 [2022-12-14 08:36:16,381 INFO L226 Difference]: Without dead ends: 13 [2022-12-14 08:36:16,383 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 08:36:16,387 INFO L413 NwaCegarLoop]: 23 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, 23 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 08:36:16,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:36:16,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-14 08:36:16,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-14 08:36:16,415 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 08:36:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-14 08:36:16,416 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-14 08:36:16,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:36:16,417 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-14 08:36:16,417 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 08:36:16,417 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-14 08:36:16,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 08:36:16,418 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:36:16,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:36:16,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/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 08:36:16,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/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 08:36:16,619 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 08:36:16,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:36:16,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2022-12-14 08:36:16,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:36:16,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1227939554] [2022-12-14 08:36:16,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:36:16,620 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 08:36:16,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:36:16,621 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/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 08:36:16,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/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 08:36:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:36:16,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:36:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:36:16,795 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 08:36:16,795 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:36:16,797 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 08:36:16,798 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 08:36:16,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/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 08:36:16,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/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 08:36:17,009 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 08:36:17,021 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:36:17,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:36:17 BoogieIcfgContainer [2022-12-14 08:36:17,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:36:17,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:36:17,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:36:17,065 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:36:17,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:36:16" (3/4) ... [2022-12-14 08:36:17,067 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 08:36:17,104 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 08:36:17,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:36:17,105 INFO L158 Benchmark]: Toolchain (without parser) took 2162.25ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 36.9MB in the end (delta: 11.9MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-12-14 08:36:17,105 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:36:17,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 802.86ms. Allocated memory is still 73.4MB. Free memory was 48.6MB in the beginning and 32.8MB in the end (delta: 15.9MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2022-12-14 08:36:17,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.60ms. Allocated memory is still 73.4MB. Free memory was 32.8MB in the beginning and 29.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:36:17,106 INFO L158 Benchmark]: Boogie Preprocessor took 24.33ms. Allocated memory is still 73.4MB. Free memory was 29.7MB in the beginning and 46.5MB in the end (delta: -16.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:36:17,106 INFO L158 Benchmark]: RCFGBuilder took 285.53ms. Allocated memory is still 73.4MB. Free memory was 46.3MB in the beginning and 32.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 08:36:17,107 INFO L158 Benchmark]: TraceAbstraction took 966.57ms. Allocated memory is still 73.4MB. Free memory was 31.6MB in the beginning and 39.0MB in the end (delta: -7.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:36:17,107 INFO L158 Benchmark]: Witness Printer took 40.21ms. Allocated memory is still 73.4MB. Free memory was 39.0MB in the beginning and 36.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:36:17,109 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 60.8MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 802.86ms. Allocated memory is still 73.4MB. Free memory was 48.6MB in the beginning and 32.8MB in the end (delta: 15.9MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.60ms. Allocated memory is still 73.4MB. Free memory was 32.8MB in the beginning and 29.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.33ms. Allocated memory is still 73.4MB. Free memory was 29.7MB in the beginning and 46.5MB in the end (delta: -16.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 285.53ms. Allocated memory is still 73.4MB. Free memory was 46.3MB in the beginning and 32.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 966.57ms. Allocated memory is still 73.4MB. Free memory was 31.6MB in the beginning and 39.0MB in the end (delta: -7.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 40.21ms. Allocated memory is still 73.4MB. Free memory was 39.0MB in the beginning and 36.9MB 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: 1570]: 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] [L1561] 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) [L1561] 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] [L1562] CALL CWE190_Integer_Overflow__int_rand_postinc_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, dataArray={7:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=0, rand()=0, rand()=2, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE190_Integer_Overflow__int_rand_postinc_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] data++ VAL [data=2147483647, data++=2147483647, dataArray={7:0}, dataArray={7:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1570]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 23 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, 23 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=22occurred 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, 74 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 08:36:17,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ae16f89-c73e-4b69-9171-8f27030cdf43/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)