./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 01bab34372e48e20d12569b4be9e7a015f9bb6caa4ca76d62cb15ab24b999f2e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 17:03:54,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:03:54,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:03:54,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:03:54,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:03:54,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:03:54,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:03:54,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:03:54,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:03:54,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:03:54,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:03:54,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:03:54,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:03:54,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:03:54,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:03:54,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:03:54,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:03:54,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:03:54,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:03:54,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:03:54,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:03:54,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:03:54,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:03:54,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:03:54,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:03:54,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:03:54,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:03:54,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:03:54,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:03:54,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:03:54,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:03:54,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:03:54,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:03:54,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:03:54,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:03:54,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:03:54,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:03:54,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:03:54,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:03:54,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:03:54,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:03:54,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 17:03:54,893 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:03:54,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:03:54,893 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:03:54,894 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:03:54,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:03:54,911 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:03:54,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:03:54,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:03:54,912 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:03:54,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:03:54,912 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:03:54,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:03:54,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:03:54,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:03:54,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:03:54,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:03:54,913 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 17:03:54,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:03:54,914 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:03:54,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:03:54,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:03:54,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:03:54,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:03:54,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:03:54,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:03:54,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:03:54,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:03:54,915 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:03:54,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:03:54,915 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:03:54,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:03:54,916 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:03:54,916 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:03:54,916 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:03:54,916 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01bab34372e48e20d12569b4be9e7a015f9bb6caa4ca76d62cb15ab24b999f2e [2022-12-13 17:03:55,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:03:55,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:03:55,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:03:55,104 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:03:55,105 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:03:55,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_02_bad.i [2022-12-13 17:03:57,695 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:03:57,943 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:03:57,944 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_02_bad.i [2022-12-13 17:03:57,959 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/data/689596d9f/b91e6b3b16b94356bc7a114f235e81cd/FLAG9154e6353 [2022-12-13 17:03:58,266 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/data/689596d9f/b91e6b3b16b94356bc7a114f235e81cd [2022-12-13 17:03:58,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:03:58,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:03:58,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:03:58,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:03:58,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:03:58,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:03:58" (1/1) ... [2022-12-13 17:03:58,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49c57262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:03:58, skipping insertion in model container [2022-12-13 17:03:58,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:03:58" (1/1) ... [2022-12-13 17:03:58,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:03:58,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:03:58,565 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 17:03:58,906 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 17:03:58,912 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:03:58,914 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:03:58,916 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:03:58,917 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:03:58,942 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 17:03:58,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:03:58,954 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:03:58,971 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 17:03:59,016 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 17:03:59,018 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:03:59,019 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:03:59,021 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:03:59,022 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:03:59,027 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 17:03:59,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:03:59,159 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:03:59,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:03:59 WrapperNode [2022-12-13 17:03:59,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:03:59,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:03:59,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:03:59,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:03:59,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:03:59" (1/1) ... [2022-12-13 17:03:59,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:03:59" (1/1) ... [2022-12-13 17:03:59,205 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-12-13 17:03:59,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:03:59,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:03:59,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:03:59,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:03:59,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:03:59" (1/1) ... [2022-12-13 17:03:59,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:03:59" (1/1) ... [2022-12-13 17:03:59,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:03:59" (1/1) ... [2022-12-13 17:03:59,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:03:59" (1/1) ... [2022-12-13 17:03:59,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:03:59" (1/1) ... [2022-12-13 17:03:59,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:03:59" (1/1) ... [2022-12-13 17:03:59,224 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:03:59" (1/1) ... [2022-12-13 17:03:59,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:03:59" (1/1) ... [2022-12-13 17:03:59,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:03:59,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:03:59,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:03:59,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:03:59,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:03:59" (1/1) ... [2022-12-13 17:03:59,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:03:59,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:03:59,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:03:59,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:03:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 17:03:59,285 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 17:03:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:03:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:03:59,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:03:59,286 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 17:03:59,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:03:59,388 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:03:59,390 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:03:59,507 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:03:59,511 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:03:59,511 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 17:03:59,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:03:59 BoogieIcfgContainer [2022-12-13 17:03:59,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:03:59,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:03:59,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:03:59,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:03:59,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:03:58" (1/3) ... [2022-12-13 17:03:59,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d82887b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:03:59, skipping insertion in model container [2022-12-13 17:03:59,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:03:59" (2/3) ... [2022-12-13 17:03:59,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d82887b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:03:59, skipping insertion in model container [2022-12-13 17:03:59,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:03:59" (3/3) ... [2022-12-13 17:03:59,519 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_02_bad.i [2022-12-13 17:03:59,536 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:03:59,536 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 17:03:59,580 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:03:59,587 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=PETRI_NET, 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;@47b6b88, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:03:59,587 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 17:03:59,590 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.411764705882353) internal successors, (24), 19 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 17:03:59,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 17:03:59,596 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:03:59,596 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:03:59,597 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 17:03:59,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:03:59,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1211755881, now seen corresponding path program 1 times [2022-12-13 17:03:59,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:03:59,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762396811] [2022-12-13 17:03:59,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:03:59,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:03:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:59,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:03:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:59,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:03:59,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:03:59,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762396811] [2022-12-13 17:03:59,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762396811] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:03:59,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:03:59,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:03:59,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529242592] [2022-12-13 17:03:59,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:03:59,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 17:03:59,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:03:59,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 17:03:59,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 17:03:59,791 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.411764705882353) internal successors, (24), 19 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:03:59,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:03:59,804 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2022-12-13 17:03:59,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 17:03:59,806 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 17:03:59,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:03:59,810 INFO L225 Difference]: With dead ends: 39 [2022-12-13 17:03:59,810 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 17:03:59,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 17:03:59,814 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:03:59,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:03:59,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 17:03:59,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 17:03:59,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:03:59,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-12-13 17:03:59,841 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2022-12-13 17:03:59,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:03:59,841 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-12-13 17:03:59,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:03:59,841 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-12-13 17:03:59,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 17:03:59,842 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:03:59,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:03:59,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:03:59,842 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 17:03:59,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:03:59,843 INFO L85 PathProgramCache]: Analyzing trace with hash 552587556, now seen corresponding path program 1 times [2022-12-13 17:03:59,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:03:59,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897929219] [2022-12-13 17:03:59,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:03:59,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:03:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:59,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:03:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:03:59,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:03:59,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:03:59,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897929219] [2022-12-13 17:03:59,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897929219] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:03:59,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:03:59,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:03:59,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742802284] [2022-12-13 17:03:59,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:03:59,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:03:59,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:03:59,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:03:59,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:03:59,932 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:03:59,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:03:59,942 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2022-12-13 17:03:59,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:03:59,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2022-12-13 17:03:59,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:03:59,943 INFO L225 Difference]: With dead ends: 16 [2022-12-13 17:03:59,943 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 17:03:59,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:03:59,944 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 2 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:03:59,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 25 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:03:59,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 17:03:59,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 17:03:59,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:03:59,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-13 17:03:59,946 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2022-12-13 17:03:59,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:03:59,947 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-13 17:03:59,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:03:59,947 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-13 17:03:59,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 17:03:59,947 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:03:59,947 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:03:59,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 17:03:59,947 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 17:03:59,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:03:59,948 INFO L85 PathProgramCache]: Analyzing trace with hash -49654884, now seen corresponding path program 1 times [2022-12-13 17:03:59,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:03:59,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265576054] [2022-12-13 17:03:59,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:03:59,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:03:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:03:59,987 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:04:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:04:00,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:04:00,024 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 17:04:00,025 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 17:04:00,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 17:04:00,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 17:04:00,029 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 17:04:00,032 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:04:00,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:04:00 BoogieIcfgContainer [2022-12-13 17:04:00,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:04:00,057 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:04:00,057 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:04:00,057 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:04:00,057 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:03:59" (3/4) ... [2022-12-13 17:04:00,059 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 17:04:00,060 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:04:00,060 INFO L158 Benchmark]: Toolchain (without parser) took 1791.64ms. Allocated memory was 113.2MB in the beginning and 176.2MB in the end (delta: 62.9MB). Free memory was 76.7MB in the beginning and 120.5MB in the end (delta: -43.9MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2022-12-13 17:04:00,060 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory was 84.3MB in the beginning and 84.1MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:04:00,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 889.89ms. Allocated memory was 113.2MB in the beginning and 176.2MB in the end (delta: 62.9MB). Free memory was 76.3MB in the beginning and 121.0MB in the end (delta: -44.6MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2022-12-13 17:04:00,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.13ms. Allocated memory is still 176.2MB. Free memory was 121.0MB in the beginning and 117.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 17:04:00,061 INFO L158 Benchmark]: Boogie Preprocessor took 22.01ms. Allocated memory is still 176.2MB. Free memory was 117.7MB in the beginning and 116.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:04:00,062 INFO L158 Benchmark]: RCFGBuilder took 283.60ms. Allocated memory is still 176.2MB. Free memory was 115.6MB in the beginning and 103.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 17:04:00,062 INFO L158 Benchmark]: TraceAbstraction took 541.80ms. Allocated memory is still 176.2MB. Free memory was 102.1MB in the beginning and 121.6MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:04:00,062 INFO L158 Benchmark]: Witness Printer took 3.09ms. Allocated memory is still 176.2MB. Free memory was 121.6MB in the beginning and 120.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:04:00,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory was 84.3MB in the beginning and 84.1MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 889.89ms. Allocated memory was 113.2MB in the beginning and 176.2MB in the end (delta: 62.9MB). Free memory was 76.3MB in the beginning and 121.0MB in the end (delta: -44.6MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.13ms. Allocated memory is still 176.2MB. Free memory was 121.0MB in the beginning and 117.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.01ms. Allocated memory is still 176.2MB. Free memory was 117.7MB in the beginning and 116.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 283.60ms. Allocated memory is still 176.2MB. Free memory was 115.6MB in the beginning and 103.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 541.80ms. Allocated memory is still 176.2MB. Free memory was 102.1MB in the beginning and 121.6MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.09ms. Allocated memory is still 176.2MB. Free memory was 121.6MB in the beginning and 120.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=1073741826, argc=1073741826, argv={1073741825:1073741827}, argv={1073741825:1073741827}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE190_Integer_Overflow__int_rand_multiply_02_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=4, rand()=1073741824, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=1073741824] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 17:04:00,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/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_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 01bab34372e48e20d12569b4be9e7a015f9bb6caa4ca76d62cb15ab24b999f2e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 17:04:01,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:04:01,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:04:01,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:04:01,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:04:01,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:04:01,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:04:01,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:04:01,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:04:01,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:04:01,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:04:01,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:04:01,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:04:01,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:04:01,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:04:01,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:04:01,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:04:01,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:04:01,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:04:01,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:04:01,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:04:01,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:04:01,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:04:01,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:04:01,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:04:01,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:04:01,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:04:01,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:04:01,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:04:01,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:04:01,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:04:01,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:04:01,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:04:01,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:04:01,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:04:01,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:04:01,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:04:01,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:04:01,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:04:01,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:04:01,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:04:01,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 17:04:01,844 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:04:01,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:04:01,845 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:04:01,845 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:04:01,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:04:01,846 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:04:01,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:04:01,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:04:01,847 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:04:01,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:04:01,847 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:04:01,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:04:01,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:04:01,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:04:01,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:04:01,848 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 17:04:01,848 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 17:04:01,848 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 17:04:01,848 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 17:04:01,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:04:01,848 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:04:01,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:04:01,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:04:01,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:04:01,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:04:01,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:04:01,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:04:01,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:04:01,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:04:01,850 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 17:04:01,850 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 17:04:01,850 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:04:01,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:04:01,850 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:04:01,851 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:04:01,851 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 17:04:01,851 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:04:01,851 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01bab34372e48e20d12569b4be9e7a015f9bb6caa4ca76d62cb15ab24b999f2e [2022-12-13 17:04:02,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:04:02,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:04:02,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:04:02,110 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:04:02,110 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:04:02,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_02_bad.i [2022-12-13 17:04:04,732 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:04:04,961 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:04:04,961 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_02_bad.i [2022-12-13 17:04:04,975 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/data/71db9d310/8080ce5df0ee425aa042b9ae2f3826d6/FLAG2c1ebb7ce [2022-12-13 17:04:04,986 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/data/71db9d310/8080ce5df0ee425aa042b9ae2f3826d6 [2022-12-13 17:04:04,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:04:04,989 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:04:04,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:04:04,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:04:04,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:04:04,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:04:04" (1/1) ... [2022-12-13 17:04:04,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5244879b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:04:04, skipping insertion in model container [2022-12-13 17:04:04,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:04:04" (1/1) ... [2022-12-13 17:04:05,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:04:05,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:04:05,373 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 17:04:05,733 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 17:04:05,737 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:04:05,739 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:04:05,741 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:04:05,742 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:04:05,764 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 17:04:05,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:04:05,779 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:04:05,796 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 17:04:05,848 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 17:04:05,850 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:04:05,851 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:04:05,853 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:04:05,853 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:04:05,858 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 17:04:05,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:04:05,945 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:04:05,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:04:05 WrapperNode [2022-12-13 17:04:05,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:04:05,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:04:05,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:04:05,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:04:05,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:04:05" (1/1) ... [2022-12-13 17:04:05,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:04:05" (1/1) ... [2022-12-13 17:04:05,995 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-12-13 17:04:05,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:04:05,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:04:05,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:04:05,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:04:06,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:04:05" (1/1) ... [2022-12-13 17:04:06,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:04:05" (1/1) ... [2022-12-13 17:04:06,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:04:05" (1/1) ... [2022-12-13 17:04:06,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:04:05" (1/1) ... [2022-12-13 17:04:06,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:04:05" (1/1) ... [2022-12-13 17:04:06,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:04:05" (1/1) ... [2022-12-13 17:04:06,016 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:04:05" (1/1) ... [2022-12-13 17:04:06,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:04:05" (1/1) ... [2022-12-13 17:04:06,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:04:06,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:04:06,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:04:06,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:04:06,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:04:05" (1/1) ... [2022-12-13 17:04:06,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:04:06,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:04:06,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:04:06,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:04:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 17:04:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 17:04:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 17:04:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:04:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:04:06,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:04:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 17:04:06,200 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:04:06,202 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:04:06,319 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:04:06,324 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:04:06,324 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 17:04:06,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:04:06 BoogieIcfgContainer [2022-12-13 17:04:06,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:04:06,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:04:06,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:04:06,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:04:06,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:04:04" (1/3) ... [2022-12-13 17:04:06,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ef3442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:04:06, skipping insertion in model container [2022-12-13 17:04:06,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:04:05" (2/3) ... [2022-12-13 17:04:06,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ef3442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:04:06, skipping insertion in model container [2022-12-13 17:04:06,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:04:06" (3/3) ... [2022-12-13 17:04:06,334 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_02_bad.i [2022-12-13 17:04:06,347 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:04:06,347 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 17:04:06,383 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:04:06,388 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=PETRI_NET, 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;@404b3021, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:04:06,388 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 17:04:06,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.411764705882353) internal successors, (24), 19 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 17:04:06,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 17:04:06,398 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:04:06,398 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:04:06,399 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 17:04:06,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:04:06,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1211755881, now seen corresponding path program 1 times [2022-12-13 17:04:06,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:04:06,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682554067] [2022-12-13 17:04:06,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:04:06,414 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:04:06,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:04:06,416 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 17:04:06,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 17:04:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:06,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 17:04:06,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:04:06,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:04:06,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:04:06,564 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 17:04:06,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682554067] [2022-12-13 17:04:06,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1682554067] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:04:06,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:04:06,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:04:06,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980367787] [2022-12-13 17:04:06,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:04:06,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 17:04:06,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 17:04:06,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 17:04:06,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 17:04:06,597 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.411764705882353) internal successors, (24), 19 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:04:06,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:04:06,612 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2022-12-13 17:04:06,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 17:04:06,613 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 17:04:06,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:04:06,618 INFO L225 Difference]: With dead ends: 39 [2022-12-13 17:04:06,619 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 17:04:06,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 17:04:06,623 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:04:06,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:04:06,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 17:04:06,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 17:04:06,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:04:06,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-12-13 17:04:06,649 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2022-12-13 17:04:06,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:04:06,650 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-12-13 17:04:06,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:04:06,650 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-12-13 17:04:06,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 17:04:06,650 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:04:06,651 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:04:06,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 17:04:06,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:04:06,852 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 17:04:06,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:04:06,852 INFO L85 PathProgramCache]: Analyzing trace with hash 552587556, now seen corresponding path program 1 times [2022-12-13 17:04:06,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:04:06,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485625915] [2022-12-13 17:04:06,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:04:06,854 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:04:06,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:04:06,855 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 17:04:06,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 17:04:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:04:06,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:04:06,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:04:06,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:04:06,940 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:04:06,941 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 17:04:06,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1485625915] [2022-12-13 17:04:06,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1485625915] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:04:06,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:04:06,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:04:06,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193570060] [2022-12-13 17:04:06,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:04:06,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:04:06,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 17:04:06,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:04:06,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:04:06,945 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:04:06,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:04:06,954 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2022-12-13 17:04:06,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:04:06,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2022-12-13 17:04:06,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:04:06,956 INFO L225 Difference]: With dead ends: 16 [2022-12-13 17:04:06,956 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 17:04:06,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:04:06,958 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 2 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:04:06,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 25 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:04:06,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 17:04:06,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 17:04:06,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:04:06,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-13 17:04:06,961 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2022-12-13 17:04:06,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:04:06,962 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-13 17:04:06,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:04:06,962 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-13 17:04:06,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 17:04:06,963 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:04:06,963 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:04:06,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 17:04:07,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:04:07,165 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 17:04:07,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:04:07,167 INFO L85 PathProgramCache]: Analyzing trace with hash -49654884, now seen corresponding path program 1 times [2022-12-13 17:04:07,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:04:07,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [828609655] [2022-12-13 17:04:07,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:04:07,170 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:04:07,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:04:07,173 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 17:04:07,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 17:04:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:04:07,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:04:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:04:07,359 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 17:04:07,360 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 17:04:07,361 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 17:04:07,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 17:04:07,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 17:04:07,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:04:07,573 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 17:04:07,584 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:04:07,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:04:07 BoogieIcfgContainer [2022-12-13 17:04:07,664 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:04:07,666 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:04:07,666 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:04:07,667 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:04:07,668 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:04:06" (3/4) ... [2022-12-13 17:04:07,674 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 17:04:07,732 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 17:04:07,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:04:07,733 INFO L158 Benchmark]: Toolchain (without parser) took 2743.59ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 43.0MB in the beginning and 39.4MB in the end (delta: 3.6MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2022-12-13 17:04:07,733 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 47.7MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:04:07,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 956.22ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 43.0MB in the beginning and 49.8MB in the end (delta: -6.8MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2022-12-13 17:04:07,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.18ms. Allocated memory is still 83.9MB. Free memory was 49.8MB in the beginning and 46.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 17:04:07,734 INFO L158 Benchmark]: Boogie Preprocessor took 23.98ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 44.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:04:07,735 INFO L158 Benchmark]: RCFGBuilder took 306.03ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 55.0MB in the end (delta: -10.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-12-13 17:04:07,735 INFO L158 Benchmark]: TraceAbstraction took 1335.63ms. Allocated memory is still 83.9MB. Free memory was 54.6MB in the beginning and 42.0MB in the end (delta: 12.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-12-13 17:04:07,735 INFO L158 Benchmark]: Witness Printer took 65.93ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 39.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:04:07,738 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 47.7MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 956.22ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 43.0MB in the beginning and 49.8MB in the end (delta: -6.8MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.18ms. Allocated memory is still 83.9MB. Free memory was 49.8MB in the beginning and 46.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.98ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 44.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 306.03ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 55.0MB in the end (delta: -10.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1335.63ms. Allocated memory is still 83.9MB. Free memory was 54.6MB in the beginning and 42.0MB in the end (delta: 12.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 65.93ms. Allocated memory is still 83.9MB. Free memory was 42.0MB in the beginning and 39.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1560]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE190_Integer_Overflow__int_rand_multiply_02_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=1, rand()=1, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=1073741824] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 94 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 17:04:07,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3597cb-d5e0-4609-bdac-ecd6505f4810/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)