./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_04_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_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/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_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/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_9234987e-5349-4e4c-acc6-77d04251686e/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 c371fc4469251e4c274c1fc3263e24a65f7fa58f980160b9ce19126a1a38ac35 --- 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 [2022-11-26 00:57:19,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:57:19,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:57:19,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:57:19,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:57:19,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:57:19,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:57:19,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:57:19,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:57:19,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:57:19,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:57:19,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:57:19,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:57:19,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:57:19,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:57:19,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:57:19,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:57:19,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:57:19,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:57:19,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:57:19,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:57:19,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:57:19,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:57:19,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:57:19,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:57:19,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:57:19,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:57:19,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:57:19,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:57:19,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:57:19,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:57:19,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:57:19,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:57:19,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:57:19,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:57:19,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:57:19,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:57:19,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:57:19,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:57:19,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:57:19,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:57:19,969 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:57:20,006 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:57:20,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:57:20,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:57:20,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:57:20,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:57:20,009 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:57:20,009 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:57:20,009 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:57:20,010 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:57:20,010 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:57:20,010 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:57:20,013 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:57:20,013 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:57:20,013 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:57:20,014 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:57:20,014 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:57:20,014 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:57:20,015 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:57:20,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:57:20,016 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:57:20,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:57:20,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:57:20,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:57:20,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:57:20,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:57:20,018 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:57:20,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:57:20,019 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:57:20,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:57:20,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:57:20,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:57:20,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:57:20,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:57:20,022 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:57:20,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:57:20,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:57:20,024 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:57:20,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:57:20,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:57:20,025 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:57:20,025 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_9234987e-5349-4e4c-acc6-77d04251686e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c371fc4469251e4c274c1fc3263e24a65f7fa58f980160b9ce19126a1a38ac35 [2022-11-26 00:57:20,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:57:20,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:57:20,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:57:20,345 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:57:20,346 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:57:20,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_04_bad.i [2022-11-26 00:57:23,893 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:57:24,286 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:57:24,297 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_04_bad.i [2022-11-26 00:57:24,325 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/data/698fb76e4/85bb25261115487197ea7e884853c35b/FLAGc962029af [2022-11-26 00:57:24,343 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/data/698fb76e4/85bb25261115487197ea7e884853c35b [2022-11-26 00:57:24,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:57:24,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:57:24,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:57:24,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:57:24,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:57:24,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:57:24" (1/1) ... [2022-11-26 00:57:24,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@349005e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:24, skipping insertion in model container [2022-11-26 00:57:24,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:57:24" (1/1) ... [2022-11-26 00:57:24,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:57:24,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:57:24,883 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:57:25,541 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:57:25,548 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:57:25,551 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:57:25,554 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:57:25,555 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:57:25,591 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:57:25,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:57:25,605 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:57:25,629 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:57:25,682 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:57:25,684 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:57:25,686 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:57:25,689 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:57:25,690 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:57:25,697 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:57:25,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:57:25,861 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:57:25,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:25 WrapperNode [2022-11-26 00:57:25,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:57:25,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:57:25,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:57:25,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:57:25,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:25" (1/1) ... [2022-11-26 00:57:25,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:25" (1/1) ... [2022-11-26 00:57:25,974 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-11-26 00:57:25,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:57:25,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:57:25,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:57:25,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:57:25,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:25" (1/1) ... [2022-11-26 00:57:25,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:25" (1/1) ... [2022-11-26 00:57:26,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:25" (1/1) ... [2022-11-26 00:57:26,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:25" (1/1) ... [2022-11-26 00:57:26,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:25" (1/1) ... [2022-11-26 00:57:26,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:25" (1/1) ... [2022-11-26 00:57:26,034 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:25" (1/1) ... [2022-11-26 00:57:26,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:25" (1/1) ... [2022-11-26 00:57:26,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:57:26,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:57:26,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:57:26,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:57:26,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:25" (1/1) ... [2022-11-26 00:57:26,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:57:26,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:57:26,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:57:26,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:57:26,153 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 00:57:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 00:57:26,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:57:26,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:57:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:57:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 00:57:26,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:57:26,387 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:57:26,390 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:57:26,705 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:57:26,875 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:57:26,875 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:57:26,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:26 BoogieIcfgContainer [2022-11-26 00:57:26,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:57:26,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:57:26,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:57:26,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:57:26,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:57:24" (1/3) ... [2022-11-26 00:57:26,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3494e4b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:57:26, skipping insertion in model container [2022-11-26 00:57:26,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:25" (2/3) ... [2022-11-26 00:57:26,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3494e4b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:57:26, skipping insertion in model container [2022-11-26 00:57:26,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:26" (3/3) ... [2022-11-26 00:57:26,889 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_04_bad.i [2022-11-26 00:57:26,914 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:57:26,915 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:57:26,974 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:57:26,982 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;@7752a2eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:57:26,983 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:57:26,988 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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) [2022-11-26 00:57:26,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 00:57:26,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:26,999 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:27,000 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 00:57:27,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:27,009 INFO L85 PathProgramCache]: Analyzing trace with hash -703198583, now seen corresponding path program 1 times [2022-11-26 00:57:27,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:27,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593056197] [2022-11-26 00:57:27,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:27,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:27,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:57:27,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:27,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593056197] [2022-11-26 00:57:27,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593056197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:27,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:27,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:57:27,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224569025] [2022-11-26 00:57:27,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:27,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:57:27,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:27,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:57:27,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:57:27,847 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:57:27,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:27,913 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-11-26 00:57:27,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:57:27,916 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2022-11-26 00:57:27,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:27,924 INFO L225 Difference]: With dead ends: 14 [2022-11-26 00:57:27,925 INFO L226 Difference]: Without dead ends: 9 [2022-11-26 00:57:27,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:57:27,932 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:27,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 13 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:57:27,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-26 00:57:27,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-26 00:57:27,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 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) [2022-11-26 00:57:27,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-11-26 00:57:27,977 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-11-26 00:57:27,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:27,978 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-11-26 00:57:27,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:57:27,979 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-11-26 00:57:27,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 00:57:27,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:27,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:27,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:57:27,980 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 00:57:27,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:27,982 INFO L85 PathProgramCache]: Analyzing trace with hash -324319531, now seen corresponding path program 1 times [2022-11-26 00:57:27,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:27,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495370947] [2022-11-26 00:57:27,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:27,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:57:28,028 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 00:57:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:57:28,098 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 00:57:28,098 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 00:57:28,101 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-26 00:57:28,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-26 00:57:28,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:57:28,108 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-26 00:57:28,113 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:57:28,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:57:28 BoogieIcfgContainer [2022-11-26 00:57:28,158 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:57:28,159 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:57:28,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:57:28,159 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:57:28,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:26" (3/4) ... [2022-11-26 00:57:28,164 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 00:57:28,164 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:57:28,165 INFO L158 Benchmark]: Toolchain (without parser) took 3817.35ms. Allocated memory is still 188.7MB. Free memory was 140.6MB in the beginning and 130.6MB in the end (delta: 10.0MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2022-11-26 00:57:28,166 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:57:28,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1513.37ms. Allocated memory is still 188.7MB. Free memory was 140.6MB in the beginning and 124.4MB in the end (delta: 16.2MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2022-11-26 00:57:28,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.12ms. Allocated memory is still 188.7MB. Free memory was 124.4MB in the beginning and 121.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:57:28,168 INFO L158 Benchmark]: Boogie Preprocessor took 62.07ms. Allocated memory is still 188.7MB. Free memory was 121.3MB in the beginning and 120.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:57:28,168 INFO L158 Benchmark]: RCFGBuilder took 839.16ms. Allocated memory is still 188.7MB. Free memory was 120.2MB in the beginning and 99.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-26 00:57:28,169 INFO L158 Benchmark]: TraceAbstraction took 1276.66ms. Allocated memory is still 188.7MB. Free memory was 99.3MB in the beginning and 130.6MB in the end (delta: -31.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:57:28,169 INFO L158 Benchmark]: Witness Printer took 5.47ms. Allocated memory is still 188.7MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:57:28,173 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1513.37ms. Allocated memory is still 188.7MB. Free memory was 140.6MB in the beginning and 124.4MB in the end (delta: 16.2MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.12ms. Allocated memory is still 188.7MB. Free memory was 124.4MB in the beginning and 121.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.07ms. Allocated memory is still 188.7MB. Free memory was 121.3MB in the beginning and 120.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 839.16ms. Allocated memory is still 188.7MB. Free memory was 120.2MB in the beginning and 99.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1276.66ms. Allocated memory is still 188.7MB. Free memory was 99.3MB in the beginning and 130.6MB in the end (delta: -31.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.47ms. Allocated memory is still 188.7MB. Free memory is still 130.6MB. 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: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1556, overapproximation of bitwiseAnd at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] 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}, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [\old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, argv={2147483650:2147483649}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1571] CALL CWE190_Integer_Overflow__int_rand_preinc_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483651, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1561] ++data VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483651, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] - UnprovableResult [Line: 1561]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 0.4s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 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 [2022-11-26 00:57:28,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/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_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/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_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/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_9234987e-5349-4e4c-acc6-77d04251686e/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 c371fc4469251e4c274c1fc3263e24a65f7fa58f980160b9ce19126a1a38ac35 --- 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 [2022-11-26 00:57:31,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:57:31,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:57:31,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:57:31,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:57:31,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:57:31,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:57:31,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:57:31,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:57:31,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:57:31,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:57:31,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:57:31,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:57:31,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:57:31,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:57:31,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:57:31,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:57:31,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:57:31,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:57:31,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:57:31,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:57:31,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:57:31,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:57:31,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:57:31,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:57:31,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:57:31,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:57:31,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:57:31,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:57:31,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:57:31,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:57:31,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:57:31,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:57:31,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:57:31,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:57:31,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:57:31,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:57:31,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:57:31,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:57:31,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:57:31,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:57:31,265 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 00:57:31,316 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:57:31,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:57:31,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:57:31,319 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:57:31,320 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:57:31,320 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:57:31,320 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:57:31,321 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:57:31,321 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:57:31,321 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:57:31,323 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:57:31,323 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:57:31,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:57:31,324 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:57:31,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:57:31,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:57:31,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:57:31,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:57:31,326 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:57:31,326 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:57:31,326 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:57:31,327 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:57:31,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:57:31,327 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:57:31,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:57:31,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:57:31,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:57:31,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:57:31,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:57:31,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:57:31,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:57:31,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:57:31,330 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:57:31,330 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:57:31,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:57:31,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:57:31,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:57:31,331 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_9234987e-5349-4e4c-acc6-77d04251686e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c371fc4469251e4c274c1fc3263e24a65f7fa58f980160b9ce19126a1a38ac35 [2022-11-26 00:57:31,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:57:31,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:57:31,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:57:31,821 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:57:31,822 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:57:31,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_04_bad.i [2022-11-26 00:57:35,275 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:57:35,779 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:57:35,780 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_04_bad.i [2022-11-26 00:57:35,805 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/data/eb043e2c0/a0587898f0bf44a48ab8eda8dda751b6/FLAG2a534a1aa [2022-11-26 00:57:35,835 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/data/eb043e2c0/a0587898f0bf44a48ab8eda8dda751b6 [2022-11-26 00:57:35,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:57:35,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:57:35,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:57:35,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:57:35,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:57:35,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:57:35" (1/1) ... [2022-11-26 00:57:35,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@692419bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:35, skipping insertion in model container [2022-11-26 00:57:35,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:57:35" (1/1) ... [2022-11-26 00:57:35,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:57:35,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:57:36,501 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:57:37,086 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:57:37,094 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:57:37,100 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:57:37,114 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:57:37,115 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:57:37,167 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:57:37,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:57:37,186 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:57:37,223 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:57:37,333 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:57:37,335 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:57:37,337 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:57:37,339 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:57:37,340 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:57:37,347 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:57:37,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:57:37,557 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:57:37,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:37 WrapperNode [2022-11-26 00:57:37,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:57:37,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:57:37,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:57:37,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:57:37,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:37" (1/1) ... [2022-11-26 00:57:37,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:37" (1/1) ... [2022-11-26 00:57:37,654 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-11-26 00:57:37,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:57:37,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:57:37,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:57:37,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:57:37,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:37" (1/1) ... [2022-11-26 00:57:37,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:37" (1/1) ... [2022-11-26 00:57:37,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:37" (1/1) ... [2022-11-26 00:57:37,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:37" (1/1) ... [2022-11-26 00:57:37,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:37" (1/1) ... [2022-11-26 00:57:37,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:37" (1/1) ... [2022-11-26 00:57:37,683 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:37" (1/1) ... [2022-11-26 00:57:37,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:37" (1/1) ... [2022-11-26 00:57:37,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:57:37,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:57:37,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:57:37,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:57:37,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:37" (1/1) ... [2022-11-26 00:57:37,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:57:37,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:57:37,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:57:37,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:57:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 00:57:37,792 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 00:57:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 00:57:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:57:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:57:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:57:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 00:57:38,000 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:57:38,002 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:57:38,229 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:57:38,235 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:57:38,235 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:57:38,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:38 BoogieIcfgContainer [2022-11-26 00:57:38,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:57:38,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:57:38,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:57:38,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:57:38,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:57:35" (1/3) ... [2022-11-26 00:57:38,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@591897b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:57:38, skipping insertion in model container [2022-11-26 00:57:38,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:57:37" (2/3) ... [2022-11-26 00:57:38,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@591897b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:57:38, skipping insertion in model container [2022-11-26 00:57:38,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:38" (3/3) ... [2022-11-26 00:57:38,248 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_04_bad.i [2022-11-26 00:57:38,269 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:57:38,269 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:57:38,324 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:57:38,333 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;@798d0e72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:57:38,334 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:57:38,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 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) [2022-11-26 00:57:38,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-26 00:57:38,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:38,351 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:38,351 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 00:57:38,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:38,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-11-26 00:57:38,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:57:38,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28791969] [2022-11-26 00:57:38,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:38,382 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 [2022-11-26 00:57:38,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:57:38,392 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/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) [2022-11-26 00:57:38,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/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 [2022-11-26 00:57:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:38,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-26 00:57:38,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:57:38,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:57:38,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:57:38,604 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:57:38,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28791969] [2022-11-26 00:57:38,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28791969] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:38,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:38,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:57:38,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682318972] [2022-11-26 00:57:38,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:38,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:57:38,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:57:38,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:57:38,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:57:38,679 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:57:38,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:38,707 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2022-11-26 00:57:38,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:57:38,710 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-26 00:57:38,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:38,718 INFO L225 Difference]: With dead ends: 23 [2022-11-26 00:57:38,718 INFO L226 Difference]: Without dead ends: 15 [2022-11-26 00:57:38,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:57:38,726 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:38,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:57:38,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-26 00:57:38,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-26 00:57:38,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.25) internal successors, (15), 12 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) [2022-11-26 00:57:38,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-11-26 00:57:38,766 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2022-11-26 00:57:38,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:38,767 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-11-26 00:57:38,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:57:38,767 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-11-26 00:57:38,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:57:38,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:38,769 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:38,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/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 [2022-11-26 00:57:38,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/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 [2022-11-26 00:57:38,995 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 00:57:38,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:38,996 INFO L85 PathProgramCache]: Analyzing trace with hash -250853505, now seen corresponding path program 1 times [2022-11-26 00:57:38,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:57:38,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123352585] [2022-11-26 00:57:38,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:38,998 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 [2022-11-26 00:57:38,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:57:39,001 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/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) [2022-11-26 00:57:39,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/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 [2022-11-26 00:57:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:39,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:57:39,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:57:39,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:57:39,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:57:39,141 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:57:39,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123352585] [2022-11-26 00:57:39,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [123352585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:39,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:39,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:57:39,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324288964] [2022-11-26 00:57:39,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:39,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:57:39,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:57:39,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:57:39,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:57:39,145 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. 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) [2022-11-26 00:57:39,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:39,151 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-11-26 00:57:39,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:57:39,152 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 [2022-11-26 00:57:39,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:39,153 INFO L225 Difference]: With dead ends: 19 [2022-11-26 00:57:39,153 INFO L226 Difference]: Without dead ends: 15 [2022-11-26 00:57:39,154 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 [2022-11-26 00:57:39,155 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:39,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:57:39,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-26 00:57:39,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-26 00:57:39,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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) [2022-11-26 00:57:39,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-11-26 00:57:39,160 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2022-11-26 00:57:39,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:39,160 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-11-26 00:57:39,161 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) [2022-11-26 00:57:39,161 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-11-26 00:57:39,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-26 00:57:39,162 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:39,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:57:39,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/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 [2022-11-26 00:57:39,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/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 [2022-11-26 00:57:39,376 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 00:57:39,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:39,377 INFO L85 PathProgramCache]: Analyzing trace with hash -819187548, now seen corresponding path program 1 times [2022-11-26 00:57:39,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:57:39,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [215661285] [2022-11-26 00:57:39,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:39,378 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 [2022-11-26 00:57:39,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:57:39,379 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/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) [2022-11-26 00:57:39,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/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 [2022-11-26 00:57:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:57:39,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 00:57:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:57:39,546 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-26 00:57:39,546 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 00:57:39,547 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-26 00:57:39,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-26 00:57:39,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/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 [2022-11-26 00:57:39,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/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 [2022-11-26 00:57:39,763 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-26 00:57:39,767 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:57:39,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:57:39 BoogieIcfgContainer [2022-11-26 00:57:39,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:57:39,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:57:39,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:57:39,835 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:57:39,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:57:38" (3/4) ... [2022-11-26 00:57:39,837 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-26 00:57:39,926 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:57:39,926 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:57:39,928 INFO L158 Benchmark]: Toolchain (without parser) took 4087.77ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 52.5MB in the beginning and 62.8MB in the end (delta: -10.3MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-11-26 00:57:39,928 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 58.7MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:57:39,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1716.77ms. Allocated memory is still 75.5MB. Free memory was 52.3MB in the beginning and 41.2MB in the end (delta: 11.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-11-26 00:57:39,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.25ms. Allocated memory is still 75.5MB. Free memory was 41.2MB in the beginning and 38.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:57:39,932 INFO L158 Benchmark]: Boogie Preprocessor took 33.30ms. Allocated memory is still 75.5MB. Free memory was 38.0MB in the beginning and 36.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:57:39,936 INFO L158 Benchmark]: RCFGBuilder took 548.66ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 36.0MB in the beginning and 58.9MB in the end (delta: -22.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-11-26 00:57:39,937 INFO L158 Benchmark]: TraceAbstraction took 1592.32ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 46.0MB in the end (delta: 12.4MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2022-11-26 00:57:39,937 INFO L158 Benchmark]: Witness Printer took 92.73ms. Allocated memory is still 92.3MB. Free memory was 46.0MB in the beginning and 62.8MB in the end (delta: -16.8MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2022-11-26 00:57:39,939 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 58.7MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1716.77ms. Allocated memory is still 75.5MB. Free memory was 52.3MB in the beginning and 41.2MB in the end (delta: 11.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.25ms. Allocated memory is still 75.5MB. Free memory was 41.2MB in the beginning and 38.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.30ms. Allocated memory is still 75.5MB. Free memory was 38.0MB in the beginning and 36.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 548.66ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 36.0MB in the beginning and 58.9MB in the end (delta: -22.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1592.32ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 46.0MB in the end (delta: 12.4MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Witness Printer took 92.73ms. Allocated memory is still 92.3MB. Free memory was 46.0MB in the beginning and 62.8MB in the end (delta: -16.8MB). Peak memory consumption was 6.8MB. 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: 1561]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 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, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1570] 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}, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1414] COND TRUE line != ((void *)0) [L1570] 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, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1571] CALL CWE190_Integer_Overflow__int_rand_preinc_04_bad() [L1552] int data; [L1553] 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, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] 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()=32767, rand()=0, rand()=65535, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] [L1561] ++data VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1] - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 89 ConjunctsInSsa, 3 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! [2022-11-26 00:57:39,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9234987e-5349-4e4c-acc6-77d04251686e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)