./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_13_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_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/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_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/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_123a3887-24d3-42f5-99bd-1de508ca4b04/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 fb95544c3909148ef26323d172aa9a23c748437c4cd355f5b0cbad2a7b34bd22 --- 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 17:16:49,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:16:49,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:16:49,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:16:49,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:16:49,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:16:49,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:16:49,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:16:49,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:16:49,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:16:49,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:16:49,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:16:49,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:16:49,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:16:49,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:16:49,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:16:49,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:16:49,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:16:49,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:16:49,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:16:49,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:16:49,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:16:49,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:16:49,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:16:49,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:16:49,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:16:49,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:16:49,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:16:49,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:16:49,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:16:49,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:16:49,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:16:49,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:16:49,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:16:49,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:16:49,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:16:49,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:16:49,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:16:49,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:16:49,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:16:49,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:16:49,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 17:16:49,890 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:16:49,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:16:49,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:16:49,891 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:16:49,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:16:49,892 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:16:49,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:16:49,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:16:49,898 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:16:49,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:16:49,898 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:16:49,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:16:49,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:16:49,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:16:49,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:16:49,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:16:49,899 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 17:16:49,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:16:49,899 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:16:49,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:16:49,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:16:49,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:16:49,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:16:49,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:16:49,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:16:49,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:16:49,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:16:49,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:16:49,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:16:49,900 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:16:49,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:16:49,901 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:16:49,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:16:49,901 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:16:49,901 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_123a3887-24d3-42f5-99bd-1de508ca4b04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb95544c3909148ef26323d172aa9a23c748437c4cd355f5b0cbad2a7b34bd22 [2022-12-13 17:16:50,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:16:50,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:16:50,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:16:50,101 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:16:50,101 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:16:50,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_13_bad.i [2022-12-13 17:16:52,695 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:16:52,951 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:16:52,952 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_13_bad.i [2022-12-13 17:16:52,969 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/data/bc0f8f0b6/e173aca4b17b4475afc3359f6f67c02e/FLAG886e34212 [2022-12-13 17:16:52,981 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/data/bc0f8f0b6/e173aca4b17b4475afc3359f6f67c02e [2022-12-13 17:16:52,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:16:52,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:16:52,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:16:52,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:16:52,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:16:52,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:16:52" (1/1) ... [2022-12-13 17:16:52,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d2d51f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:52, skipping insertion in model container [2022-12-13 17:16:52,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:16:52" (1/1) ... [2022-12-13 17:16:52,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:16:53,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:16:53,287 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 17:16:53,560 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 17:16:53,564 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:16:53,565 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:16:53,567 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:16:53,567 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:16:53,586 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 17:16:53,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:16:53,594 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:16:53,608 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 17:16:53,639 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 17:16:53,640 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:16:53,641 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:16:53,642 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:16:53,643 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:16:53,647 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 17:16:53,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:16:53,719 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:16:53,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:53 WrapperNode [2022-12-13 17:16:53,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:16:53,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:16:53,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:16:53,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:16:53,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:53" (1/1) ... [2022-12-13 17:16:53,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:53" (1/1) ... [2022-12-13 17:16:53,755 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-12-13 17:16:53,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:16:53,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:16:53,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:16:53,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:16:53,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:53" (1/1) ... [2022-12-13 17:16:53,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:53" (1/1) ... [2022-12-13 17:16:53,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:53" (1/1) ... [2022-12-13 17:16:53,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:53" (1/1) ... [2022-12-13 17:16:53,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:53" (1/1) ... [2022-12-13 17:16:53,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:53" (1/1) ... [2022-12-13 17:16:53,770 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:53" (1/1) ... [2022-12-13 17:16:53,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:53" (1/1) ... [2022-12-13 17:16:53,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:16:53,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:16:53,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:16:53,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:16:53,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:53" (1/1) ... [2022-12-13 17:16:53,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:16:53,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:16:53,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:16:53,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:16:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 17:16:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 17:16:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:16:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:16:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:16:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 17:16:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:16:53,941 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:16:53,942 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:16:54,048 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:16:54,052 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:16:54,052 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 17:16:54,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:16:54 BoogieIcfgContainer [2022-12-13 17:16:54,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:16:54,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:16:54,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:16:54,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:16:54,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:16:52" (1/3) ... [2022-12-13 17:16:54,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb8b2ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:16:54, skipping insertion in model container [2022-12-13 17:16:54,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:53" (2/3) ... [2022-12-13 17:16:54,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb8b2ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:16:54, skipping insertion in model container [2022-12-13 17:16:54,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:16:54" (3/3) ... [2022-12-13 17:16:54,059 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_13_bad.i [2022-12-13 17:16:54,072 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:16:54,072 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 17:16:54,103 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:16:54,107 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;@6cb22182, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:16:54,108 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 17:16:54,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 17:16:54,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 17:16:54,115 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:54,116 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:54,116 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 17:16:54,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:54,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-12-13 17:16:54,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:54,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245916234] [2022-12-13 17:16:54,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:54,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:54,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:54,280 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 17:16:54,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:54,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245916234] [2022-12-13 17:16:54,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245916234] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:54,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:16:54,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:16:54,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837468962] [2022-12-13 17:16:54,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:54,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:16:54,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:54,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:16:54,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:16:54,308 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 17:16:54,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:54,328 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2022-12-13 17:16:54,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:16:54,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 17:16:54,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:54,334 INFO L225 Difference]: With dead ends: 39 [2022-12-13 17:16:54,334 INFO L226 Difference]: Without dead ends: 16 [2022-12-13 17:16:54,336 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 17:16:54,339 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 21 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:54,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 23 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:16:54,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-13 17:16:54,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-13 17:16:54,361 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 17:16:54,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-12-13 17:16:54,362 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2022-12-13 17:16:54,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:54,362 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-12-13 17:16:54,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 17:16:54,363 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-12-13 17:16:54,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 17:16:54,363 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:54,363 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:54,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:16:54,363 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 17:16:54,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:54,364 INFO L85 PathProgramCache]: Analyzing trace with hash 804858586, now seen corresponding path program 1 times [2022-12-13 17:16:54,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:54,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448379594] [2022-12-13 17:16:54,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:54,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:54,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:54,473 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 17:16:54,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:54,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448379594] [2022-12-13 17:16:54,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448379594] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:54,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:16:54,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:16:54,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247435589] [2022-12-13 17:16:54,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:54,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:16:54,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:54,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:16:54,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:16:54,476 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 17:16:54,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:54,481 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2022-12-13 17:16:54,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:16:54,482 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 17:16:54,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:54,482 INFO L225 Difference]: With dead ends: 16 [2022-12-13 17:16:54,482 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 17:16:54,483 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 17:16:54,483 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 5 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:54,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:16:54,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 17:16:54,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 17:16:54,486 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 17:16:54,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-13 17:16:54,486 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2022-12-13 17:16:54,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:54,486 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-13 17:16:54,487 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 17:16:54,487 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-13 17:16:54,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 17:16:54,487 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:54,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:54,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 17:16:54,487 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 17:16:54,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:54,488 INFO L85 PathProgramCache]: Analyzing trace with hash -819187548, now seen corresponding path program 1 times [2022-12-13 17:16:54,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:54,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68606491] [2022-12-13 17:16:54,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:54,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:16:54,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:16:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:16:54,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:16:54,538 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 17:16:54,538 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 17:16:54,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 17:16:54,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 17:16:54,543 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 17:16:54,545 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:16:54,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:16:54 BoogieIcfgContainer [2022-12-13 17:16:54,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:16:54,570 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:16:54,570 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:16:54,571 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:16:54,571 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:16:54" (3/4) ... [2022-12-13 17:16:54,574 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 17:16:54,574 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:16:54,574 INFO L158 Benchmark]: Toolchain (without parser) took 1590.24ms. Allocated memory is still 174.1MB. Free memory was 134.3MB in the beginning and 85.2MB in the end (delta: 49.2MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2022-12-13 17:16:54,575 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 123.7MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:16:54,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 734.12ms. Allocated memory is still 174.1MB. Free memory was 133.7MB in the beginning and 72.2MB in the end (delta: 61.5MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-12-13 17:16:54,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.32ms. Allocated memory is still 174.1MB. Free memory was 72.1MB in the beginning and 68.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 17:16:54,576 INFO L158 Benchmark]: Boogie Preprocessor took 16.26ms. Allocated memory is still 174.1MB. Free memory was 68.7MB in the beginning and 67.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:16:54,577 INFO L158 Benchmark]: RCFGBuilder took 281.39ms. Allocated memory is still 174.1MB. Free memory was 67.2MB in the beginning and 134.5MB in the end (delta: -67.3MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-12-13 17:16:54,577 INFO L158 Benchmark]: TraceAbstraction took 514.68ms. Allocated memory is still 174.1MB. Free memory was 133.4MB in the beginning and 85.2MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-12-13 17:16:54,577 INFO L158 Benchmark]: Witness Printer took 3.43ms. Allocated memory is still 174.1MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:16:54,580 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 123.7MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 734.12ms. Allocated memory is still 174.1MB. Free memory was 133.7MB in the beginning and 72.2MB in the end (delta: 61.5MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.32ms. Allocated memory is still 174.1MB. Free memory was 72.1MB in the beginning and 68.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.26ms. Allocated memory is still 174.1MB. Free memory was 68.7MB in the beginning and 67.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 281.39ms. Allocated memory is still 174.1MB. Free memory was 67.2MB in the beginning and 134.5MB in the end (delta: -67.3MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * TraceAbstraction took 514.68ms. Allocated memory is still 174.1MB. Free memory was 133.4MB in the beginning and 85.2MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Witness Printer took 3.43ms. Allocated memory is still 174.1MB. Free memory is still 85.2MB. 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: 1559]: 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] [L1567] 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) [L1567] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483648:2147483650}, argv={2147483648:2147483650}, 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 CWE190_Integer_Overflow__int_rand_add_13_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=0, rand()=4, rand()=2147483647, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data + 1 VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: 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: 0.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 37 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 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 17:16:54,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/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_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/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_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/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_123a3887-24d3-42f5-99bd-1de508ca4b04/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 fb95544c3909148ef26323d172aa9a23c748437c4cd355f5b0cbad2a7b34bd22 --- 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 17:16:56,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:16:56,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:16:56,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:16:56,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:16:56,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:16:56,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:16:56,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:16:56,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:16:56,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:16:56,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:16:56,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:16:56,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:16:56,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:16:56,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:16:56,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:16:56,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:16:56,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:16:56,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:16:56,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:16:56,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:16:56,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:16:56,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:16:56,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:16:56,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:16:56,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:16:56,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:16:56,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:16:56,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:16:56,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:16:56,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:16:56,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:16:56,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:16:56,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:16:56,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:16:56,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:16:56,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:16:56,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:16:56,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:16:56,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:16:56,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:16:56,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 17:16:56,452 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:16:56,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:16:56,453 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:16:56,453 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:16:56,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:16:56,454 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:16:56,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:16:56,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:16:56,455 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:16:56,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:16:56,455 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:16:56,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:16:56,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:16:56,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:16:56,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:16:56,456 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 17:16:56,456 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 17:16:56,457 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 17:16:56,457 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 17:16:56,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:16:56,457 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:16:56,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:16:56,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:16:56,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:16:56,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:16:56,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:16:56,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:16:56,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:16:56,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:16:56,459 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 17:16:56,459 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 17:16:56,463 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:16:56,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:16:56,464 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:16:56,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:16:56,464 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 17:16:56,464 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:16:56,464 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_123a3887-24d3-42f5-99bd-1de508ca4b04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb95544c3909148ef26323d172aa9a23c748437c4cd355f5b0cbad2a7b34bd22 [2022-12-13 17:16:56,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:16:56,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:16:56,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:16:56,705 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:16:56,706 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:16:56,706 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_13_bad.i [2022-12-13 17:16:59,278 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:16:59,494 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:16:59,494 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_13_bad.i [2022-12-13 17:16:59,507 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/data/e5e9cb84f/e3ab83b8194d414b8fbe2b60b348756c/FLAG3021c592f [2022-12-13 17:16:59,521 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/data/e5e9cb84f/e3ab83b8194d414b8fbe2b60b348756c [2022-12-13 17:16:59,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:16:59,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:16:59,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:16:59,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:16:59,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:16:59,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:16:59" (1/1) ... [2022-12-13 17:16:59,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642df858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:59, skipping insertion in model container [2022-12-13 17:16:59,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:16:59" (1/1) ... [2022-12-13 17:16:59,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:16:59,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:16:59,820 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 17:17:00,082 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 17:17:00,086 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:17:00,088 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:17:00,089 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:17:00,089 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:17:00,105 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 17:17:00,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:17:00,115 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:17:00,127 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 17:17:00,160 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 17:17:00,161 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:17:00,168 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 17:17:00,170 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:17:00,171 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 17:17:00,176 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 17:17:00,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:17:00,295 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:17:00,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:00 WrapperNode [2022-12-13 17:17:00,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:17:00,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:17:00,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:17:00,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:17:00,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:00" (1/1) ... [2022-12-13 17:17:00,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:00" (1/1) ... [2022-12-13 17:17:00,343 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-12-13 17:17:00,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:17:00,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:17:00,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:17:00,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:17:00,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:00" (1/1) ... [2022-12-13 17:17:00,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:00" (1/1) ... [2022-12-13 17:17:00,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:00" (1/1) ... [2022-12-13 17:17:00,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:00" (1/1) ... [2022-12-13 17:17:00,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:00" (1/1) ... [2022-12-13 17:17:00,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:00" (1/1) ... [2022-12-13 17:17:00,368 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:00" (1/1) ... [2022-12-13 17:17:00,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:00" (1/1) ... [2022-12-13 17:17:00,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:17:00,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:17:00,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:17:00,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:17:00,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:00" (1/1) ... [2022-12-13 17:17:00,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:17:00,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:17:00,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:17:00,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:17:00,431 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 17:17:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 17:17:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 17:17:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:17:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:17:00,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:17:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 17:17:00,547 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:17:00,548 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:17:00,650 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:17:00,654 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:17:00,654 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 17:17:00,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:17:00 BoogieIcfgContainer [2022-12-13 17:17:00,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:17:00,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:17:00,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:17:00,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:17:00,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:16:59" (1/3) ... [2022-12-13 17:17:00,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25736f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:17:00, skipping insertion in model container [2022-12-13 17:17:00,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:17:00" (2/3) ... [2022-12-13 17:17:00,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25736f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:17:00, skipping insertion in model container [2022-12-13 17:17:00,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:17:00" (3/3) ... [2022-12-13 17:17:00,661 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_13_bad.i [2022-12-13 17:17:00,675 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:17:00,675 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 17:17:00,708 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:17:00,712 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;@6a6385ee, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:17:00,712 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 17:17:00,715 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 17:17:00,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 17:17:00,720 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:17:00,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:17:00,721 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 17:17:00,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:17:00,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-12-13 17:17:00,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:17:00,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143808961] [2022-12-13 17:17:00,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:17:00,734 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 17:17:00,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:17:00,736 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/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 17:17:00,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/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 17:17:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:17:00,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 17:17:00,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:17:00,855 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 17:17:00,856 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:17:00,856 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 17:17:00,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2143808961] [2022-12-13 17:17:00,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2143808961] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:17:00,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:17:00,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 17:17:00,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941084049] [2022-12-13 17:17:00,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:17:00,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 17:17:00,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 17:17:00,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 17:17:00,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 17:17:00,893 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:17:00,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:17:00,910 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2022-12-13 17:17:00,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 17:17:00,912 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 17:17:00,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:17:00,917 INFO L225 Difference]: With dead ends: 23 [2022-12-13 17:17:00,917 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 17:17:00,918 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 17:17:00,921 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 17:17:00,921 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 17:17:00,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 17:17:00,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 17:17:00,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:17:00,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-12-13 17:17:00,944 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2022-12-13 17:17:00,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:17:00,944 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-12-13 17:17:00,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:17:00,945 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-13 17:17:00,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 17:17:00,945 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:17:00,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:17:00,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/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 17:17:01,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/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 17:17:01,148 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 17:17:01,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:17:01,150 INFO L85 PathProgramCache]: Analyzing trace with hash -250853505, now seen corresponding path program 1 times [2022-12-13 17:17:01,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:17:01,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1840297622] [2022-12-13 17:17:01,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:17:01,152 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 17:17:01,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:17:01,156 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/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 17:17:01,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/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 17:17:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:17:01,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:17:01,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:17:01,376 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 17:17:01,376 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:17:01,376 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 17:17:01,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1840297622] [2022-12-13 17:17:01,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1840297622] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:17:01,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:17:01,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:17:01,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458041608] [2022-12-13 17:17:01,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:17:01,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:17:01,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 17:17:01,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:17:01,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:17:01,380 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:17:01,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:17:01,386 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-12-13 17:17:01,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:17:01,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 17:17:01,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:17:01,387 INFO L225 Difference]: With dead ends: 19 [2022-12-13 17:17:01,387 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 17:17:01,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:17:01,388 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:17:01,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:17:01,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 17:17:01,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 17:17:01,392 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 17:17:01,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-13 17:17:01,393 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2022-12-13 17:17:01,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:17:01,393 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-13 17:17:01,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:17:01,393 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-13 17:17:01,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 17:17:01,394 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:17:01,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:17:01,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/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 17:17:01,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/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 17:17:01,596 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 17:17:01,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:17:01,598 INFO L85 PathProgramCache]: Analyzing trace with hash -819187548, now seen corresponding path program 1 times [2022-12-13 17:17:01,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:17:01,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1273973625] [2022-12-13 17:17:01,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:17:01,600 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 17:17:01,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:17:01,604 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/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 17:17:01,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/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 17:17:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:17:01,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:17:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:17:01,843 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 17:17:01,843 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 17:17:01,844 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 17:17:01,846 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 17:17:01,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/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 17:17:02,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/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 17:17:02,053 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 17:17:02,059 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:17:02,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:17:02 BoogieIcfgContainer [2022-12-13 17:17:02,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:17:02,123 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:17:02,123 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:17:02,124 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:17:02,124 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:17:00" (3/4) ... [2022-12-13 17:17:02,127 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 17:17:02,168 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 17:17:02,168 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:17:02,169 INFO L158 Benchmark]: Toolchain (without parser) took 2645.12ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 42.2MB in the beginning and 54.9MB in the end (delta: -12.7MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2022-12-13 17:17:02,169 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 54.5MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:17:02,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 770.89ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 42.0MB in the beginning and 40.6MB in the end (delta: 1.4MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2022-12-13 17:17:02,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.82ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 37.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:17:02,170 INFO L158 Benchmark]: Boogie Preprocessor took 27.44ms. Allocated memory is still 83.9MB. Free memory was 37.7MB in the beginning and 35.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:17:02,170 INFO L158 Benchmark]: RCFGBuilder took 283.48ms. Allocated memory is still 83.9MB. Free memory was 35.7MB in the beginning and 45.4MB in the end (delta: -9.8MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2022-12-13 17:17:02,171 INFO L158 Benchmark]: TraceAbstraction took 1465.38ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 32.7MB in the end (delta: 11.7MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2022-12-13 17:17:02,171 INFO L158 Benchmark]: Witness Printer took 45.19ms. Allocated memory is still 83.9MB. Free memory was 32.7MB in the beginning and 54.9MB in the end (delta: -22.2MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-12-13 17:17:02,173 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 54.5MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 770.89ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 42.0MB in the beginning and 40.6MB in the end (delta: 1.4MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.82ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 37.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.44ms. Allocated memory is still 83.9MB. Free memory was 37.7MB in the beginning and 35.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 283.48ms. Allocated memory is still 83.9MB. Free memory was 35.7MB in the beginning and 45.4MB in the end (delta: -9.8MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1465.38ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 32.7MB in the end (delta: 11.7MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Witness Printer took 45.19ms. Allocated memory is still 83.9MB. Free memory was 32.7MB in the beginning and 54.9MB in the end (delta: -22.2MB). Peak memory consumption was 4.4MB. 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: 1559]: 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] [L1567] 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) [L1567] 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] [L1568] CALL CWE190_Integer_Overflow__int_rand_add_13_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=65535, rand()=1, rand()=32767, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data + 1 VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: 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: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 85 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 17:17:02,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a3887-24d3-42f5-99bd-1de508ca4b04/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)