./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_14_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur --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 0ba48e83940949eb7bf12c6aa6b3ed15b85e37e9b9ae9f2dffa0e9c545287e1b --- 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-38b53e6 [2022-11-25 22:31:29,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:31:29,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:31:29,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:31:29,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:31:29,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:31:29,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:31:29,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:31:29,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:31:29,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:31:29,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:31:29,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:31:29,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:31:29,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:31:29,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:31:29,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:31:29,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:31:29,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:31:29,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:31:29,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:31:29,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:31:29,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:31:29,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:31:29,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:31:29,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:31:29,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:31:29,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:31:29,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:31:29,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:31:29,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:31:29,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:31:29,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:31:29,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:31:29,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:31:29,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:31:29,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:31:29,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:31:29,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:31:29,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:31:29,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:31:30,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:31:30,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 22:31:30,026 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:31:30,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:31:30,027 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:31:30,027 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:31:30,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:31:30,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:31:30,028 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:31:30,028 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:31:30,029 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:31:30,029 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:31:30,029 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:31:30,030 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:31:30,030 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:31:30,030 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:31:30,030 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:31:30,031 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:31:30,031 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:31:30,031 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:31:30,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:31:30,032 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:31:30,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:31:30,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:31:30,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:31:30,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:31:30,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:31:30,034 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:31:30,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:31:30,035 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:31:30,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:31:30,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:31:30,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:31:30,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:31:30,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:31:30,037 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:31:30,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:31:30,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:31:30,037 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:31:30,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:31:30,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:31:30,038 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:31:30,040 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_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba48e83940949eb7bf12c6aa6b3ed15b85e37e9b9ae9f2dffa0e9c545287e1b [2022-11-25 22:31:30,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:31:30,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:31:30,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:31:30,358 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:31:30,359 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:31:30,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_14_bad.i [2022-11-25 22:31:33,432 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:31:33,820 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:31:33,821 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_14_bad.i [2022-11-25 22:31:33,850 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/data/28459bce0/20e8f12e00694e9ab00d1aebc5140e2c/FLAG3974e5b7e [2022-11-25 22:31:33,868 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/data/28459bce0/20e8f12e00694e9ab00d1aebc5140e2c [2022-11-25 22:31:33,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:31:33,876 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:31:33,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:31:33,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:31:33,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:31:33,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:31:33" (1/1) ... [2022-11-25 22:31:33,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e949205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:33, skipping insertion in model container [2022-11-25 22:31:33,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:31:33" (1/1) ... [2022-11-25 22:31:33,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:31:33,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:31:34,389 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:31:34,868 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:31:34,874 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:31:34,876 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:31:34,878 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:31:34,879 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:31:34,906 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:31:34,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:31:34,917 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:31:34,937 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:31:35,010 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:31:35,011 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:31:35,012 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:31:35,015 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:31:35,016 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:31:35,021 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:31:35,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:31:35,148 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:31:35,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:35 WrapperNode [2022-11-25 22:31:35,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:31:35,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:31:35,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:31:35,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:31:35,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:35" (1/1) ... [2022-11-25 22:31:35,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:35" (1/1) ... [2022-11-25 22:31:35,233 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-11-25 22:31:35,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:31:35,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:31:35,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:31:35,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:31:35,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:35" (1/1) ... [2022-11-25 22:31:35,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:35" (1/1) ... [2022-11-25 22:31:35,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:35" (1/1) ... [2022-11-25 22:31:35,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:35" (1/1) ... [2022-11-25 22:31:35,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:35" (1/1) ... [2022-11-25 22:31:35,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:35" (1/1) ... [2022-11-25 22:31:35,271 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:35" (1/1) ... [2022-11-25 22:31:35,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:35" (1/1) ... [2022-11-25 22:31:35,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:31:35,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:31:35,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:31:35,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:31:35,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:35" (1/1) ... [2022-11-25 22:31:35,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:31:35,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:31:35,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:31:35,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:31:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 22:31:35,380 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 22:31:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:31:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:31:35,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:31:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 22:31:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:31:35,620 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:31:35,623 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:31:35,765 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:31:35,913 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:31:35,915 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:31:35,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:31:35 BoogieIcfgContainer [2022-11-25 22:31:35,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:31:35,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:31:35,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:31:35,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:31:35,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:31:33" (1/3) ... [2022-11-25 22:31:35,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cfb2375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:31:35, skipping insertion in model container [2022-11-25 22:31:35,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:35" (2/3) ... [2022-11-25 22:31:35,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cfb2375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:31:35, skipping insertion in model container [2022-11-25 22:31:35,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:31:35" (3/3) ... [2022-11-25 22:31:35,933 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_14_bad.i [2022-11-25 22:31:35,980 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:31:35,980 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:31:36,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:31:36,051 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;@11b8f23f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:31:36,051 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:31:36,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 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) [2022-11-25 22:31:36,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 22:31:36,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:36,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:36,066 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:31:36,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:36,072 INFO L85 PathProgramCache]: Analyzing trace with hash 198000526, now seen corresponding path program 1 times [2022-11-25 22:31:36,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:36,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831092314] [2022-11-25 22:31:36,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:36,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:31:36,452 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:36,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831092314] [2022-11-25 22:31:36,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831092314] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:36,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:36,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:31:36,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624553172] [2022-11-25 22:31:36,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:36,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:31:36,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:36,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:31:36,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:36,515 INFO L87 Difference]: Start difference. First operand has 15 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 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 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-25 22:31:36,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:36,559 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2022-11-25 22:31:36,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:31:36,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 8 [2022-11-25 22:31:36,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:36,574 INFO L225 Difference]: With dead ends: 19 [2022-11-25 22:31:36,574 INFO L226 Difference]: Without dead ends: 10 [2022-11-25 22:31:36,577 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 [2022-11-25 22:31:36,582 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 5 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:36,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 20 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:31:36,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-11-25 22:31:36,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-25 22:31:36,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 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) [2022-11-25 22:31:36,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2022-11-25 22:31:36,620 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 8 [2022-11-25 22:31:36,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:36,621 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2022-11-25 22:31:36,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-25 22:31:36,621 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2022-11-25 22:31:36,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 22:31:36,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:36,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:36,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:31:36,623 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:31:36,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:36,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1843049075, now seen corresponding path program 1 times [2022-11-25 22:31:36,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:36,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551572927] [2022-11-25 22:31:36,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:36,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:31:36,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 22:31:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:31:36,870 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 22:31:36,872 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 22:31:36,874 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 22:31:36,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 22:31:36,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:31:36,881 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 22:31:36,885 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:31:36,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:31:36 BoogieIcfgContainer [2022-11-25 22:31:36,928 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:31:36,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:31:36,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:31:36,934 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:31:36,936 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:31:35" (3/4) ... [2022-11-25 22:31:36,939 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 22:31:36,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:31:36,941 INFO L158 Benchmark]: Toolchain (without parser) took 3065.29ms. Allocated memory is still 165.7MB. Free memory was 118.7MB in the beginning and 90.0MB in the end (delta: 28.7MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2022-11-25 22:31:36,942 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:31:36,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1269.43ms. Allocated memory is still 165.7MB. Free memory was 118.3MB in the beginning and 95.4MB in the end (delta: 22.9MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2022-11-25 22:31:36,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.22ms. Allocated memory is still 165.7MB. Free memory was 95.4MB in the beginning and 92.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:31:36,949 INFO L158 Benchmark]: Boogie Preprocessor took 51.10ms. Allocated memory is still 165.7MB. Free memory was 92.6MB in the beginning and 91.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:31:36,955 INFO L158 Benchmark]: RCFGBuilder took 633.47ms. Allocated memory is still 165.7MB. Free memory was 91.2MB in the beginning and 70.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 22:31:36,956 INFO L158 Benchmark]: TraceAbstraction took 1006.40ms. Allocated memory is still 165.7MB. Free memory was 69.5MB in the beginning and 90.0MB in the end (delta: -20.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:31:36,956 INFO L158 Benchmark]: Witness Printer took 10.78ms. Allocated memory is still 165.7MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:31:36,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1269.43ms. Allocated memory is still 165.7MB. Free memory was 118.3MB in the beginning and 95.4MB in the end (delta: 22.9MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.22ms. Allocated memory is still 165.7MB. Free memory was 95.4MB in the beginning and 92.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.10ms. Allocated memory is still 165.7MB. Free memory was 92.6MB in the beginning and 91.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 633.47ms. Allocated memory is still 165.7MB. Free memory was 91.2MB in the beginning and 70.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1006.40ms. Allocated memory is still 165.7MB. Free memory was 69.5MB in the beginning and 90.0MB in the end (delta: -20.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.78ms. Allocated memory is still 165.7MB. Free memory is still 90.0MB. 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: 1560]: 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); [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=2147450881, argc=2147450881, argv={2147450883:2147450882}, argv={2147450883:2147450882}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE190_Integer_Overflow__int_rand_multiply_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [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)) [L1556] COND TRUE globalFive==5 VAL [data=2147450880, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147450884] [L1558] COND TRUE data > 0 VAL [data=2147450880, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147450884] [L1560] data * 2 VAL [data=2147450880, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147450884] - UnprovableResult [Line: 1560]: 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, 15 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, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 13 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=15occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 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 [2022-11-25 22:31:36,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/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_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur --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 0ba48e83940949eb7bf12c6aa6b3ed15b85e37e9b9ae9f2dffa0e9c545287e1b --- 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-38b53e6 [2022-11-25 22:31:39,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:31:39,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:31:39,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:31:39,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:31:39,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:31:39,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:31:39,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:31:39,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:31:39,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:31:39,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:31:39,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:31:39,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:31:39,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:31:39,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:31:39,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:31:39,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:31:39,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:31:39,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:31:39,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:31:39,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:31:39,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:31:39,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:31:39,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:31:39,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:31:39,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:31:39,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:31:39,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:31:39,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:31:39,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:31:39,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:31:39,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:31:39,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:31:39,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:31:39,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:31:39,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:31:39,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:31:39,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:31:39,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:31:39,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:31:39,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:31:39,795 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 22:31:39,845 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:31:39,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:31:39,847 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:31:39,848 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:31:39,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:31:39,849 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:31:39,849 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:31:39,849 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:31:39,850 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:31:39,850 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:31:39,851 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:31:39,851 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:31:39,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:31:39,853 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:31:39,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:31:39,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:31:39,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:31:39,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:31:39,854 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:31:39,854 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:31:39,854 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:31:39,855 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:31:39,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:31:39,855 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:31:39,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:31:39,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:31:39,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:31:39,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:31:39,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:31:39,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:31:39,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:31:39,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:31:39,858 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:31:39,858 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:31:39,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:31:39,859 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:31:39,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:31:39,859 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_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba48e83940949eb7bf12c6aa6b3ed15b85e37e9b9ae9f2dffa0e9c545287e1b [2022-11-25 22:31:40,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:31:40,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:31:40,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:31:40,326 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:31:40,327 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:31:40,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_14_bad.i [2022-11-25 22:31:43,503 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:31:43,900 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:31:43,901 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_14_bad.i [2022-11-25 22:31:43,934 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/data/39e9dab52/1445aef0f3dc4da3b9cffedca98484c4/FLAGe2e06d080 [2022-11-25 22:31:43,956 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/data/39e9dab52/1445aef0f3dc4da3b9cffedca98484c4 [2022-11-25 22:31:43,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:31:43,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:31:43,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:31:43,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:31:43,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:31:43,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:31:43" (1/1) ... [2022-11-25 22:31:43,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b68ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:43, skipping insertion in model container [2022-11-25 22:31:43,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:31:43" (1/1) ... [2022-11-25 22:31:43,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:31:44,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:31:44,570 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:31:45,284 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:31:45,292 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:31:45,296 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:31:45,309 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:31:45,310 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:31:45,353 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:31:45,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:31:45,375 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:31:45,402 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:31:45,448 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:31:45,450 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:31:45,451 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:31:45,454 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:31:45,454 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:31:45,460 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:31:45,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:31:45,620 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:31:45,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:45 WrapperNode [2022-11-25 22:31:45,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:31:45,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:31:45,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:31:45,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:31:45,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:45" (1/1) ... [2022-11-25 22:31:45,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:45" (1/1) ... [2022-11-25 22:31:45,710 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-11-25 22:31:45,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:31:45,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:31:45,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:31:45,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:31:45,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:45" (1/1) ... [2022-11-25 22:31:45,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:45" (1/1) ... [2022-11-25 22:31:45,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:45" (1/1) ... [2022-11-25 22:31:45,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:45" (1/1) ... [2022-11-25 22:31:45,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:45" (1/1) ... [2022-11-25 22:31:45,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:45" (1/1) ... [2022-11-25 22:31:45,740 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:45" (1/1) ... [2022-11-25 22:31:45,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:45" (1/1) ... [2022-11-25 22:31:45,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:31:45,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:31:45,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:31:45,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:31:45,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:45" (1/1) ... [2022-11-25 22:31:45,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:31:45,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:31:45,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:31:45,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:31:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 22:31:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 22:31:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 22:31:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:31:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:31:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:31:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 22:31:45,991 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:31:45,993 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:31:46,149 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:31:46,155 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:31:46,156 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:31:46,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:31:46 BoogieIcfgContainer [2022-11-25 22:31:46,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:31:46,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:31:46,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:31:46,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:31:46,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:31:43" (1/3) ... [2022-11-25 22:31:46,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a16da43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:31:46, skipping insertion in model container [2022-11-25 22:31:46,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:45" (2/3) ... [2022-11-25 22:31:46,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a16da43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:31:46, skipping insertion in model container [2022-11-25 22:31:46,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:31:46" (3/3) ... [2022-11-25 22:31:46,167 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_14_bad.i [2022-11-25 22:31:46,206 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:31:46,206 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:31:46,308 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:31:46,317 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;@7954be11, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:31:46,318 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:31:46,323 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 20 states have internal predecessors, (25), 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) [2022-11-25 22:31:46,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 22:31:46,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:46,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:46,334 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:31:46,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:46,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1258159597, now seen corresponding path program 1 times [2022-11-25 22:31:46,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:31:46,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [38146775] [2022-11-25 22:31:46,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:46,368 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 [2022-11-25 22:31:46,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:31:46,379 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/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) [2022-11-25 22:31:46,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/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 [2022-11-25 22:31:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:46,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:31:46,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:31:46,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:31:46,675 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:31:46,677 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:31:46,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [38146775] [2022-11-25 22:31:46,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [38146775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:46,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:46,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:31:46,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076078452] [2022-11-25 22:31:46,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:46,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:31:46,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:31:46,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:31:46,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:46,748 INFO L87 Difference]: Start difference. First operand has 24 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 20 states have internal predecessors, (25), 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, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:31:46,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:46,810 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2022-11-25 22:31:46,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:31:46,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 22:31:46,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:46,821 INFO L225 Difference]: With dead ends: 41 [2022-11-25 22:31:46,821 INFO L226 Difference]: Without dead ends: 17 [2022-11-25 22:31:46,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:46,830 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:46,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:31:46,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-25 22:31:46,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-25 22:31:46,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 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) [2022-11-25 22:31:46,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-11-25 22:31:46,874 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 12 [2022-11-25 22:31:46,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:46,875 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-11-25 22:31:46,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:31:46,876 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-11-25 22:31:46,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 22:31:46,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:46,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:46,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/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 [2022-11-25 22:31:47,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/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 [2022-11-25 22:31:47,098 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:31:47,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:47,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1822236216, now seen corresponding path program 1 times [2022-11-25 22:31:47,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:31:47,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1506070138] [2022-11-25 22:31:47,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:47,102 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 [2022-11-25 22:31:47,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:31:47,103 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/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) [2022-11-25 22:31:47,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/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 [2022-11-25 22:31:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:47,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:31:47,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:31:47,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:31:47,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:31:47,264 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:31:47,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1506070138] [2022-11-25 22:31:47,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1506070138] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:47,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:47,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:31:47,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730792685] [2022-11-25 22:31:47,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:47,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:31:47,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:31:47,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:31:47,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:47,269 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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) [2022-11-25 22:31:47,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:47,281 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2022-11-25 22:31:47,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:31:47,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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) Word has length 14 [2022-11-25 22:31:47,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:47,283 INFO L225 Difference]: With dead ends: 17 [2022-11-25 22:31:47,283 INFO L226 Difference]: Without dead ends: 16 [2022-11-25 22:31:47,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:47,285 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:47,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 27 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:31:47,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-25 22:31:47,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-25 22:31:47,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 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) [2022-11-25 22:31:47,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-11-25 22:31:47,290 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 14 [2022-11-25 22:31:47,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:47,291 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-11-25 22:31:47,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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) [2022-11-25 22:31:47,291 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-11-25 22:31:47,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 22:31:47,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:47,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:47,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/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)] Forceful destruction successful, exit code 0 [2022-11-25 22:31:47,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/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 [2022-11-25 22:31:47,506 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:31:47,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:47,507 INFO L85 PathProgramCache]: Analyzing trace with hash 654747913, now seen corresponding path program 1 times [2022-11-25 22:31:47,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:31:47,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2084990951] [2022-11-25 22:31:47,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:47,508 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 [2022-11-25 22:31:47,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:31:47,514 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/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) [2022-11-25 22:31:47,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/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 (4)] Waiting until timeout for monitored process [2022-11-25 22:31:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:31:47,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 22:31:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:31:47,657 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-25 22:31:47,661 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 22:31:47,663 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 22:31:47,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 22:31:47,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/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 (4)] Forceful destruction successful, exit code 0 [2022-11-25 22:31:47,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/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 [2022-11-25 22:31:47,883 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 22:31:47,887 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:31:47,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:31:47 BoogieIcfgContainer [2022-11-25 22:31:47,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:31:47,926 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:31:47,926 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:31:47,926 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:31:47,927 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:31:46" (3/4) ... [2022-11-25 22:31:47,929 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 22:31:47,970 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 22:31:47,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:31:47,971 INFO L158 Benchmark]: Toolchain (without parser) took 4010.69ms. Allocated memory was 65.0MB in the beginning and 98.6MB in the end (delta: 33.6MB). Free memory was 32.3MB in the beginning and 47.5MB in the end (delta: -15.3MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2022-11-25 22:31:47,972 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 65.0MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:31:47,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1657.35ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 32.1MB in the beginning and 44.8MB in the end (delta: -12.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2022-11-25 22:31:47,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.09ms. Allocated memory is still 81.8MB. Free memory was 44.8MB in the beginning and 42.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:31:47,973 INFO L158 Benchmark]: Boogie Preprocessor took 34.95ms. Allocated memory is still 81.8MB. Free memory was 41.7MB in the beginning and 39.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:31:47,973 INFO L158 Benchmark]: RCFGBuilder took 411.64ms. Allocated memory is still 81.8MB. Free memory was 39.8MB in the beginning and 48.5MB in the end (delta: -8.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-11-25 22:31:47,974 INFO L158 Benchmark]: TraceAbstraction took 1765.52ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 47.6MB in the beginning and 50.2MB in the end (delta: -2.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-11-25 22:31:47,974 INFO L158 Benchmark]: Witness Printer took 44.38ms. Allocated memory is still 98.6MB. Free memory was 50.2MB in the beginning and 47.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:31:47,977 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 65.0MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1657.35ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 32.1MB in the beginning and 44.8MB in the end (delta: -12.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.09ms. Allocated memory is still 81.8MB. Free memory was 44.8MB in the beginning and 42.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.95ms. Allocated memory is still 81.8MB. Free memory was 41.7MB in the beginning and 39.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.64ms. Allocated memory is still 81.8MB. Free memory was 39.8MB in the beginning and 48.5MB in the end (delta: -8.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1765.52ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 47.6MB in the beginning and 50.2MB in the end (delta: -2.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 44.38ms. Allocated memory is still 98.6MB. Free memory was 50.2MB in the beginning and 47.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. 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: 1560]: 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] [L1568] 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) [L1568] 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] [L1569] CALL CWE190_Integer_Overflow__int_rand_multiply_14_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalFive==5 [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, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=1, rand()=0, rand()=1, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=1073741824] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE globalFive==5 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [data=1073741824, 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: 1560]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 40 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 97 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2022-11-25 22:31:47,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f82f7a4c-7bc9-4b6b-9e12-dca341de9184/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)