./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW --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 88091b75307d18f7a8efdb56967c14237b5c602d9e161885a92fc0f050297ea7 --- 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-4e7fbc6 [2022-11-23 16:08:37,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:08:37,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:08:37,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:08:37,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:08:37,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:08:37,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:08:37,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:08:37,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:08:37,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:08:37,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:08:37,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:08:37,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:08:37,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:08:37,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:08:37,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:08:37,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:08:37,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:08:37,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:08:37,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:08:37,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:08:37,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:08:37,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:08:37,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:08:37,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:08:37,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:08:37,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:08:37,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:08:37,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:08:37,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:08:37,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:08:37,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:08:37,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:08:37,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:08:37,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:08:37,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:08:37,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:08:37,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:08:37,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:08:37,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:08:37,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:08:37,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 16:08:37,963 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:08:37,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:08:37,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:08:37,964 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:08:37,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:08:37,965 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:08:37,965 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:08:37,966 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:08:37,966 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:08:37,966 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 16:08:37,967 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:08:37,967 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:08:37,967 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 16:08:37,967 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 16:08:37,968 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:08:37,968 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 16:08:37,968 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 16:08:37,968 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 16:08:37,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:08:37,969 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 16:08:37,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 16:08:37,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:08:37,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:08:37,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:08:37,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:08:37,970 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 16:08:37,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:08:37,970 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:08:37,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:08:37,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:08:37,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:08:37,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:08:37,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:08:37,972 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 16:08:37,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:08:37,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:08:37,972 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 16:08:37,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 16:08:37,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:08:37,973 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:08:37,973 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_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88091b75307d18f7a8efdb56967c14237b5c602d9e161885a92fc0f050297ea7 [2022-11-23 16:08:38,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:08:38,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:08:38,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:08:38,283 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:08:38,284 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:08:38,286 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_68_bad.i [2022-11-23 16:08:41,377 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:08:41,848 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:08:41,849 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_68_bad.i [2022-11-23 16:08:41,869 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/data/4c72094bd/81e565dae3554a0780a3e4506c787de6/FLAG667ddca2e [2022-11-23 16:08:42,010 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/data/4c72094bd/81e565dae3554a0780a3e4506c787de6 [2022-11-23 16:08:42,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:08:42,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:08:42,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:08:42,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:08:42,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:08:42,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:08:42" (1/1) ... [2022-11-23 16:08:42,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2fe07e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:42, skipping insertion in model container [2022-11-23 16:08:42,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:08:42" (1/1) ... [2022-11-23 16:08:42,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:08:42,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:08:42,542 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 16:08:43,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:08:43,176 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 16:08:43,207 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 16:08:43,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:08:43,442 INFO L208 MainTranslator]: Completed translation [2022-11-23 16:08:43,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:43 WrapperNode [2022-11-23 16:08:43,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:08:43,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 16:08:43,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 16:08:43,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 16:08:43,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:43" (1/1) ... [2022-11-23 16:08:43,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:43" (1/1) ... [2022-11-23 16:08:43,542 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2022-11-23 16:08:43,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 16:08:43,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 16:08:43,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 16:08:43,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 16:08:43,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:43" (1/1) ... [2022-11-23 16:08:43,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:43" (1/1) ... [2022-11-23 16:08:43,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:43" (1/1) ... [2022-11-23 16:08:43,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:43" (1/1) ... [2022-11-23 16:08:43,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:43" (1/1) ... [2022-11-23 16:08:43,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:43" (1/1) ... [2022-11-23 16:08:43,565 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:43" (1/1) ... [2022-11-23 16:08:43,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:43" (1/1) ... [2022-11-23 16:08:43,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 16:08:43,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 16:08:43,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 16:08:43,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 16:08:43,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:43" (1/1) ... [2022-11-23 16:08:43,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:08:43,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:08:43,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 16:08:43,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 16:08:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 16:08:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 16:08:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 16:08:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 16:08:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 16:08:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 16:08:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 16:08:43,925 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 16:08:43,927 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 16:08:44,143 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 16:08:44,214 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 16:08:44,214 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 16:08:44,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:44 BoogieIcfgContainer [2022-11-23 16:08:44,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 16:08:44,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 16:08:44,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 16:08:44,223 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 16:08:44,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:08:42" (1/3) ... [2022-11-23 16:08:44,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3787f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:08:44, skipping insertion in model container [2022-11-23 16:08:44,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:43" (2/3) ... [2022-11-23 16:08:44,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3787f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:08:44, skipping insertion in model container [2022-11-23 16:08:44,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:44" (3/3) ... [2022-11-23 16:08:44,226 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_68_bad.i [2022-11-23 16:08:44,246 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 16:08:44,246 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 16:08:44,293 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 16:08:44,300 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;@4529cffb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 16:08:44,300 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 16:08:44,305 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) [2022-11-23 16:08:44,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 16:08:44,312 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:08:44,313 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:08:44,314 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 16:08:44,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:08:44,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1699350023, now seen corresponding path program 1 times [2022-11-23 16:08:44,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:08:44,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060378307] [2022-11-23 16:08:44,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:08:44,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:08:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:08:44,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:08:44,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:08:44,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060378307] [2022-11-23 16:08:44,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060378307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:08:44,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:08:44,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 16:08:44,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258219219] [2022-11-23 16:08:44,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:08:44,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:08:44,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:08:44,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:08:44,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:08:44,764 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 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2022-11-23 16:08:44,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:08:44,809 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-11-23 16:08:44,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:08:44,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 [2022-11-23 16:08:44,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:08:44,822 INFO L225 Difference]: With dead ends: 18 [2022-11-23 16:08:44,823 INFO L226 Difference]: Without dead ends: 9 [2022-11-23 16:08:44,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:08:44,833 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 5 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 16:08:44,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 13 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 16:08:44,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-23 16:08:44,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-23 16:08:44,867 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) [2022-11-23 16:08:44,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-11-23 16:08:44,870 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-11-23 16:08:44,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:08:44,870 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-11-23 16:08:44,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2022-11-23 16:08:44,871 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-11-23 16:08:44,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 16:08:44,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:08:44,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:08:44,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 16:08:44,872 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 16:08:44,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:08:44,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1140243217, now seen corresponding path program 1 times [2022-11-23 16:08:44,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:08:44,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119150168] [2022-11-23 16:08:44,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:08:44,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:08:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 16:08:44,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 16:08:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 16:08:45,010 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 16:08:45,011 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 16:08:45,014 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 16:08:45,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 16:08:45,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 16:08:45,022 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 16:08:45,026 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 16:08:45,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:08:45 BoogieIcfgContainer [2022-11-23 16:08:45,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 16:08:45,068 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 16:08:45,068 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 16:08:45,069 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 16:08:45,069 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:44" (3/4) ... [2022-11-23 16:08:45,073 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 16:08:45,073 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 16:08:45,074 INFO L158 Benchmark]: Toolchain (without parser) took 3059.76ms. Allocated memory is still 163.6MB. Free memory was 125.6MB in the beginning and 74.6MB in the end (delta: 51.1MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2022-11-23 16:08:45,074 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory was 97.4MB in the beginning and 97.3MB in the end (delta: 65.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:08:45,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1427.85ms. Allocated memory is still 163.6MB. Free memory was 125.6MB in the beginning and 63.3MB in the end (delta: 62.4MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-23 16:08:45,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.38ms. Allocated memory is still 163.6MB. Free memory was 63.3MB in the beginning and 131.7MB in the end (delta: -68.5MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2022-11-23 16:08:45,082 INFO L158 Benchmark]: Boogie Preprocessor took 51.87ms. Allocated memory is still 163.6MB. Free memory was 131.7MB in the beginning and 133.3MB in the end (delta: -1.6MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-11-23 16:08:45,083 INFO L158 Benchmark]: RCFGBuilder took 621.29ms. Allocated memory is still 163.6MB. Free memory was 133.3MB in the beginning and 114.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 16:08:45,084 INFO L158 Benchmark]: TraceAbstraction took 848.48ms. Allocated memory is still 163.6MB. Free memory was 114.4MB in the beginning and 74.6MB in the end (delta: 39.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-23 16:08:45,085 INFO L158 Benchmark]: Witness Printer took 5.39ms. Allocated memory is still 163.6MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:08:45,092 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory was 97.4MB in the beginning and 97.3MB in the end (delta: 65.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1427.85ms. Allocated memory is still 163.6MB. Free memory was 125.6MB in the beginning and 63.3MB in the end (delta: 62.4MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.38ms. Allocated memory is still 163.6MB. Free memory was 63.3MB in the beginning and 131.7MB in the end (delta: -68.5MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.87ms. Allocated memory is still 163.6MB. Free memory was 131.7MB in the beginning and 133.3MB in the end (delta: -1.6MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * RCFGBuilder took 621.29ms. Allocated memory is still 163.6MB. Free memory was 133.3MB in the beginning and 114.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 848.48ms. Allocated memory is still 163.6MB. Free memory was 114.4MB in the beginning and 74.6MB in the end (delta: 39.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 5.39ms. Allocated memory is still 163.6MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1576]: 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] int CWE190_Integer_Overflow__int_rand_multiply_68_badData; [L1549] int CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData; [L1563] CALL printLine("Calling bad()...") VAL [#in~line={2:0}, CWE190_Integer_Overflow__int_rand_multiply_68_badData=0, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [#in~argv={2147483651:2147483650}, argc=2147483649, argv={2147483651:2147483650}, CWE190_Integer_Overflow__int_rand_multiply_68_badData=0, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~argc-unknown=2147483649] [L1564] CALL CWE190_Integer_Overflow__int_rand_multiply_68_bad() [L1554] int data; [L1555] data = 0 [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)) [L1557] CWE190_Integer_Overflow__int_rand_multiply_68_badData = data [L1558] CALL CWE190_Integer_Overflow__int_rand_multiply_68b_badSink() [L1573] int data = CWE190_Integer_Overflow__int_rand_multiply_68_badData; VAL [CWE190_Integer_Overflow__int_rand_multiply_68_badData=2147483647, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, 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] [L1574] COND TRUE data > 0 VAL [CWE190_Integer_Overflow__int_rand_multiply_68_badData=2147483647, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, 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] [L1576] data * 2 VAL [CWE190_Integer_Overflow__int_rand_multiply_68_badData=2147483647, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1576]: 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 [2022-11-23 16:08:45,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/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_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW --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 88091b75307d18f7a8efdb56967c14237b5c602d9e161885a92fc0f050297ea7 --- 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-4e7fbc6 [2022-11-23 16:08:47,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:08:47,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:08:47,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:08:47,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:08:47,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:08:47,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:08:47,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:08:47,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:08:47,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:08:47,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:08:47,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:08:47,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:08:47,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:08:47,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:08:47,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:08:47,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:08:47,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:08:47,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:08:47,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:08:47,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:08:47,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:08:47,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:08:47,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:08:47,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:08:47,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:08:47,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:08:47,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:08:47,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:08:47,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:08:47,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:08:47,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:08:47,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:08:47,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:08:47,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:08:47,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:08:47,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:08:47,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:08:47,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:08:47,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:08:47,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:08:47,810 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 16:08:47,834 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:08:47,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:08:47,835 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:08:47,835 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:08:47,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:08:47,836 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:08:47,836 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:08:47,837 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:08:47,837 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:08:47,837 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:08:47,838 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:08:47,838 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:08:47,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:08:47,839 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 16:08:47,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:08:47,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:08:47,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:08:47,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:08:47,840 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 16:08:47,841 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 16:08:47,841 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 16:08:47,841 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 16:08:47,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:08:47,842 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:08:47,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:08:47,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:08:47,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 16:08:47,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:08:47,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:08:47,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:08:47,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:08:47,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:08:47,844 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 16:08:47,845 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 16:08:47,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:08:47,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:08:47,845 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 16:08:47,846 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_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88091b75307d18f7a8efdb56967c14237b5c602d9e161885a92fc0f050297ea7 [2022-11-23 16:08:48,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:08:48,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:08:48,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:08:48,290 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:08:48,290 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:08:48,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_68_bad.i [2022-11-23 16:08:51,441 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:08:51,891 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:08:51,892 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_68_bad.i [2022-11-23 16:08:51,915 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/data/07e5f99f7/5dbbf5dc860a465f95bd9f14b978762f/FLAG60d06d22b [2022-11-23 16:08:51,937 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/data/07e5f99f7/5dbbf5dc860a465f95bd9f14b978762f [2022-11-23 16:08:51,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:08:51,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:08:51,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:08:51,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:08:51,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:08:51,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:08:51" (1/1) ... [2022-11-23 16:08:51,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ee3c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:51, skipping insertion in model container [2022-11-23 16:08:51,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:08:51" (1/1) ... [2022-11-23 16:08:51,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:08:52,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:08:52,430 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 16:08:52,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:08:52,983 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 16:08:53,013 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 16:08:53,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:08:53,313 INFO L208 MainTranslator]: Completed translation [2022-11-23 16:08:53,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:53 WrapperNode [2022-11-23 16:08:53,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:08:53,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 16:08:53,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 16:08:53,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 16:08:53,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:53" (1/1) ... [2022-11-23 16:08:53,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:53" (1/1) ... [2022-11-23 16:08:53,379 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2022-11-23 16:08:53,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 16:08:53,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 16:08:53,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 16:08:53,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 16:08:53,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:53" (1/1) ... [2022-11-23 16:08:53,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:53" (1/1) ... [2022-11-23 16:08:53,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:53" (1/1) ... [2022-11-23 16:08:53,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:53" (1/1) ... [2022-11-23 16:08:53,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:53" (1/1) ... [2022-11-23 16:08:53,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:53" (1/1) ... [2022-11-23 16:08:53,410 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:53" (1/1) ... [2022-11-23 16:08:53,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:53" (1/1) ... [2022-11-23 16:08:53,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 16:08:53,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 16:08:53,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 16:08:53,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 16:08:53,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:53" (1/1) ... [2022-11-23 16:08:53,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:08:53,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:08:53,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 16:08:53,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 16:08:53,540 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 16:08:53,540 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 16:08:53,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 16:08:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 16:08:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 16:08:53,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 16:08:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 16:08:53,778 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 16:08:53,780 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 16:08:54,014 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 16:08:54,021 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 16:08:54,021 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 16:08:54,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:54 BoogieIcfgContainer [2022-11-23 16:08:54,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 16:08:54,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 16:08:54,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 16:08:54,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 16:08:54,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:08:51" (1/3) ... [2022-11-23 16:08:54,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126ddaed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:08:54, skipping insertion in model container [2022-11-23 16:08:54,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:53" (2/3) ... [2022-11-23 16:08:54,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126ddaed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:08:54, skipping insertion in model container [2022-11-23 16:08:54,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:54" (3/3) ... [2022-11-23 16:08:54,049 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_68_bad.i [2022-11-23 16:08:54,072 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 16:08:54,072 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 16:08:54,137 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 16:08:54,145 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;@567a70b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 16:08:54,145 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 16:08:54,150 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 16:08:54,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 16:08:54,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:08:54,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:08:54,161 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 16:08:54,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:08:54,168 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-11-23 16:08:54,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 16:08:54,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006915674] [2022-11-23 16:08:54,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:08:54,185 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 [2022-11-23 16:08:54,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 16:08:54,191 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 16:08:54,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 16:08:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:08:54,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 16:08:54,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:08:54,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:08:54,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:08:54,425 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 16:08:54,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006915674] [2022-11-23 16:08:54,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1006915674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:08:54,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:08:54,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 16:08:54,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815701623] [2022-11-23 16:08:54,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:08:54,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:08:54,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 16:08:54,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:08:54,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:08:54,493 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2022-11-23 16:08:54,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:08:54,537 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2022-11-23 16:08:54,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:08:54,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 [2022-11-23 16:08:54,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:08:54,546 INFO L225 Difference]: With dead ends: 30 [2022-11-23 16:08:54,546 INFO L226 Difference]: Without dead ends: 14 [2022-11-23 16:08:54,549 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 [2022-11-23 16:08:54,560 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 9 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 16:08:54,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 48 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 16:08:54,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-23 16:08:54,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-23 16:08:54,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:08:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-23 16:08:54,604 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-11-23 16:08:54,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:08:54,604 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-23 16:08:54,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2022-11-23 16:08:54,605 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-23 16:08:54,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 16:08:54,606 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:08:54,606 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:08:54,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 16:08:54,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 16:08:54,819 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 16:08:54,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:08:54,820 INFO L85 PathProgramCache]: Analyzing trace with hash 149558707, now seen corresponding path program 1 times [2022-11-23 16:08:54,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 16:08:54,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684191717] [2022-11-23 16:08:54,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:08:54,821 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 [2022-11-23 16:08:54,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 16:08:54,823 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 16:08:54,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 16:08:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 16:08:54,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 16:08:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 16:08:55,014 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-23 16:08:55,014 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 16:08:55,016 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 16:08:55,022 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 16:08:55,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 16:08:55,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 16:08:55,239 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 16:08:55,242 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 16:08:55,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:08:55 BoogieIcfgContainer [2022-11-23 16:08:55,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 16:08:55,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 16:08:55,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 16:08:55,278 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 16:08:55,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:54" (3/4) ... [2022-11-23 16:08:55,282 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 16:08:55,341 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 16:08:55,341 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 16:08:55,342 INFO L158 Benchmark]: Toolchain (without parser) took 3400.50ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 46.8MB in the beginning and 82.9MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:08:55,342 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 92.3MB. Free memory is still 69.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:08:55,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1362.89ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 46.6MB in the beginning and 97.9MB in the end (delta: -51.3MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2022-11-23 16:08:55,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.76ms. Allocated memory is still 125.8MB. Free memory was 97.9MB in the beginning and 94.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 16:08:55,343 INFO L158 Benchmark]: Boogie Preprocessor took 36.03ms. Allocated memory is still 125.8MB. Free memory was 94.9MB in the beginning and 92.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 16:08:55,344 INFO L158 Benchmark]: RCFGBuilder took 606.24ms. Allocated memory is still 125.8MB. Free memory was 92.8MB in the beginning and 79.6MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 16:08:55,344 INFO L158 Benchmark]: TraceAbstraction took 1251.61ms. Allocated memory is still 125.8MB. Free memory was 78.4MB in the beginning and 85.1MB in the end (delta: -6.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:08:55,345 INFO L158 Benchmark]: Witness Printer took 63.63ms. Allocated memory is still 125.8MB. Free memory was 85.1MB in the beginning and 82.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 16:08:55,347 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05ms. Allocated memory is still 92.3MB. Free memory is still 69.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1362.89ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 46.6MB in the beginning and 97.9MB in the end (delta: -51.3MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.76ms. Allocated memory is still 125.8MB. Free memory was 97.9MB in the beginning and 94.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.03ms. Allocated memory is still 125.8MB. Free memory was 94.9MB in the beginning and 92.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 606.24ms. Allocated memory is still 125.8MB. Free memory was 92.8MB in the beginning and 79.6MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1251.61ms. Allocated memory is still 125.8MB. Free memory was 78.4MB in the beginning and 85.1MB in the end (delta: -6.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 63.63ms. Allocated memory is still 125.8MB. Free memory was 85.1MB in the beginning and 82.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1576]: 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); [L1549] int CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData; [L1550] int CWE190_Integer_Overflow__int_rand_multiply_68_goodB2GData; VAL [CWE190_Integer_Overflow__int_rand_multiply_68_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL printLine("Calling bad()...") VAL [#in~line={2:0}, CWE190_Integer_Overflow__int_rand_multiply_68_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [#in~argv={13:12}, argc=12, argv={13:12}, CWE190_Integer_Overflow__int_rand_multiply_68_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~argc-unknown=12] [L1564] CALL CWE190_Integer_Overflow__int_rand_multiply_68_bad() [L1554] int data; [L1555] data = 0 [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 [CWE190_Integer_Overflow__int_rand_multiply_68_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=32767, rand()=32767, rand()=2, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=1073741824] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE190_Integer_Overflow__int_rand_multiply_68_badData = data [L1558] CALL CWE190_Integer_Overflow__int_rand_multiply_68b_badSink() [L1573] int data = CWE190_Integer_Overflow__int_rand_multiply_68_badData; VAL [CWE190_Integer_Overflow__int_rand_multiply_68_badData=1073741824, CWE190_Integer_Overflow__int_rand_multiply_68_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] COND TRUE data > 0 VAL [CWE190_Integer_Overflow__int_rand_multiply_68_badData=1073741824, CWE190_Integer_Overflow__int_rand_multiply_68_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] data * 2 VAL [CWE190_Integer_Overflow__int_rand_multiply_68_badData=1073741824, CWE190_Integer_Overflow__int_rand_multiply_68_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1576]: 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: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 29 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 56 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-23 16:08:55,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de995301-7e22-43d3-8377-cd04d5cbd3e8/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)