./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_31_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_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/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_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/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_7fd1ee13-b469-4515-9a54-ac52a919bf10/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 ca4d8713e04670e323fedc399b34cfedc7eb2f7b6fbc3f98a477f4aa5b20129c --- 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 13:52:09,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:52:09,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:52:09,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:52:09,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:52:09,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:52:09,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:52:09,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:52:09,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:52:09,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:52:09,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:52:09,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:52:09,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:52:09,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:52:09,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:52:09,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:52:09,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:52:09,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:52:09,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:52:09,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:52:09,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:52:09,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:52:09,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:52:09,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:52:09,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:52:09,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:52:09,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:52:09,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:52:09,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:52:09,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:52:09,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:52:09,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:52:09,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:52:09,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:52:09,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:52:09,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:52:09,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:52:09,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:52:09,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:52:09,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:52:09,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:52:09,811 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 13:52:09,825 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:52:09,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:52:09,825 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:52:09,825 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:52:09,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:52:09,826 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:52:09,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:52:09,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:52:09,827 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:52:09,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:52:09,827 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:52:09,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:52:09,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:52:09,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:52:09,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:52:09,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:52:09,827 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:52:09,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:52:09,828 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:52:09,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:52:09,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:52:09,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:52:09,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:52:09,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:52:09,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:52:09,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:52:09,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:52:09,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:52:09,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:52:09,829 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:52:09,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:52:09,829 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:52:09,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:52:09,829 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:52:09,829 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_7fd1ee13-b469-4515-9a54-ac52a919bf10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca4d8713e04670e323fedc399b34cfedc7eb2f7b6fbc3f98a477f4aa5b20129c [2022-12-13 13:52:09,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:52:10,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:52:10,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:52:10,013 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:52:10,014 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:52:10,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_31_bad.i [2022-12-13 13:52:12,695 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:52:12,923 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:52:12,923 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_31_bad.i [2022-12-13 13:52:12,936 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/data/70e54e3a4/3145d46a56bd439a8f338f8f3ef58fb9/FLAGd5e3abb60 [2022-12-13 13:52:12,947 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/data/70e54e3a4/3145d46a56bd439a8f338f8f3ef58fb9 [2022-12-13 13:52:12,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:52:12,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:52:12,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:52:12,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:52:12,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:52:12,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:52:12" (1/1) ... [2022-12-13 13:52:12,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba78478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:12, skipping insertion in model container [2022-12-13 13:52:12,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:52:12" (1/1) ... [2022-12-13 13:52:12,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:52:12,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:52:13,276 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:52:13,581 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:52:13,586 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:52:13,588 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:52:13,591 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:52:13,591 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:52:13,608 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:52:13,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:52:13,615 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:52:13,629 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:52:13,658 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:52:13,659 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:52:13,660 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:52:13,661 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:52:13,662 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:52:13,665 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:52:13,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:52:13,732 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:52:13,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:13 WrapperNode [2022-12-13 13:52:13,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:52:13,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:52:13,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:52:13,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:52:13,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:13" (1/1) ... [2022-12-13 13:52:13,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:13" (1/1) ... [2022-12-13 13:52:13,782 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-12-13 13:52:13,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:52:13,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:52:13,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:52:13,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:52:13,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:13" (1/1) ... [2022-12-13 13:52:13,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:13" (1/1) ... [2022-12-13 13:52:13,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:13" (1/1) ... [2022-12-13 13:52:13,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:13" (1/1) ... [2022-12-13 13:52:13,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:13" (1/1) ... [2022-12-13 13:52:13,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:13" (1/1) ... [2022-12-13 13:52:13,804 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:13" (1/1) ... [2022-12-13 13:52:13,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:13" (1/1) ... [2022-12-13 13:52:13,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:52:13,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:52:13,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:52:13,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:52:13,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:13" (1/1) ... [2022-12-13 13:52:13,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:52:13,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:52:13,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:52:13,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:52:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 13:52:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 13:52:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:52:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:52:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:52:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 13:52:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:52:13,991 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:52:13,993 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:52:14,112 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:52:14,117 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:52:14,118 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:52:14,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:52:14 BoogieIcfgContainer [2022-12-13 13:52:14,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:52:14,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:52:14,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:52:14,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:52:14,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:52:12" (1/3) ... [2022-12-13 13:52:14,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f451a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:52:14, skipping insertion in model container [2022-12-13 13:52:14,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:13" (2/3) ... [2022-12-13 13:52:14,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f451a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:52:14, skipping insertion in model container [2022-12-13 13:52:14,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:52:14" (3/3) ... [2022-12-13 13:52:14,128 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_31_bad.i [2022-12-13 13:52:14,147 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:52:14,147 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 13:52:14,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:52:14,197 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;@6c1ad786, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:52:14,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 13:52:14,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 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 13:52:14,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 13:52:14,206 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:52:14,207 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:52:14,207 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:52:14,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:52:14,211 INFO L85 PathProgramCache]: Analyzing trace with hash 756235177, now seen corresponding path program 1 times [2022-12-13 13:52:14,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:52:14,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758427495] [2022-12-13 13:52:14,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:52:14,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:52:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:14,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:52:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:14,476 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 13:52:14,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:52:14,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758427495] [2022-12-13 13:52:14,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758427495] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:52:14,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:52:14,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:52:14,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114740724] [2022-12-13 13:52:14,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:52:14,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:52:14,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:52:14,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:52:14,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:52:14,513 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:52:14,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:52:14,542 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2022-12-13 13:52:14,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:52:14,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 13:52:14,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:52:14,551 INFO L225 Difference]: With dead ends: 28 [2022-12-13 13:52:14,551 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 13:52:14,554 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 13:52:14,557 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 8 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:52:14,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 44 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:52:14,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 13:52:14,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 13:52:14,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:52:14,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 13:52:14,590 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-13 13:52:14,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:52:14,591 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 13:52:14,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:52:14,591 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 13:52:14,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 13:52:14,591 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:52:14,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:52:14,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:52:14,592 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:52:14,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:52:14,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1968454063, now seen corresponding path program 1 times [2022-12-13 13:52:14,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:52:14,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672079395] [2022-12-13 13:52:14,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:52:14,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:52:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:52:14,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:52:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:52:14,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:52:14,681 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:52:14,683 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 13:52:14,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 13:52:14,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:52:14,688 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 13:52:14,691 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:52:14,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:52:14 BoogieIcfgContainer [2022-12-13 13:52:14,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:52:14,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:52:14,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:52:14,715 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:52:14,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:52:14" (3/4) ... [2022-12-13 13:52:14,718 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:52:14,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:52:14,719 INFO L158 Benchmark]: Toolchain (without parser) took 1769.03ms. Allocated memory is still 174.1MB. Free memory was 111.2MB in the beginning and 115.8MB in the end (delta: -4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:52:14,719 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 98.6MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:52:14,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 782.03ms. Allocated memory is still 174.1MB. Free memory was 111.0MB in the beginning and 93.4MB in the end (delta: 17.6MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-12-13 13:52:14,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.14ms. Allocated memory is still 174.1MB. Free memory was 93.4MB in the beginning and 90.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:52:14,721 INFO L158 Benchmark]: Boogie Preprocessor took 24.32ms. Allocated memory is still 174.1MB. Free memory was 90.2MB in the beginning and 88.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:52:14,721 INFO L158 Benchmark]: RCFGBuilder took 312.16ms. Allocated memory is still 174.1MB. Free memory was 88.7MB in the beginning and 136.8MB in the end (delta: -48.1MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2022-12-13 13:52:14,721 INFO L158 Benchmark]: TraceAbstraction took 591.83ms. Allocated memory is still 174.1MB. Free memory was 135.9MB in the beginning and 116.3MB in the end (delta: 19.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-12-13 13:52:14,722 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 174.1MB. Free memory was 116.3MB in the beginning and 115.8MB in the end (delta: 522.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:52:14,724 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 98.6MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 782.03ms. Allocated memory is still 174.1MB. Free memory was 111.0MB in the beginning and 93.4MB in the end (delta: 17.6MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.14ms. Allocated memory is still 174.1MB. Free memory was 93.4MB in the beginning and 90.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.32ms. Allocated memory is still 174.1MB. Free memory was 90.2MB in the beginning and 88.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.16ms. Allocated memory is still 174.1MB. Free memory was 88.7MB in the beginning and 136.8MB in the end (delta: -48.1MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * TraceAbstraction took 591.83ms. Allocated memory is still 174.1MB. Free memory was 135.9MB in the beginning and 116.3MB in the end (delta: 19.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 174.1MB. Free memory was 116.3MB in the beginning and 115.8MB in the end (delta: 522.9kB). 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: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1552, overapproximation of bitwiseAnd at line 1552. 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] [L1566] 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) [L1566] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483649:2147483651}, argv={2147483649:2147483651}, 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 CWE190_Integer_Overflow__int_rand_multiply_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] 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()=65535, rand()=2147483646, rand()=0, rand()=2, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483649] [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [data=2147483647, data=2147483647, dataCopy=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE data > 0 VAL [data=2147483647, data=2147483647, dataCopy=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] data * 2 VAL [data=2147483647, data=2147483647, dataCopy=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: 1558]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 27 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 13:52:14,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/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_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/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_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/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_7fd1ee13-b469-4515-9a54-ac52a919bf10/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 ca4d8713e04670e323fedc399b34cfedc7eb2f7b6fbc3f98a477f4aa5b20129c --- 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 13:52:16,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:52:16,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:52:16,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:52:16,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:52:16,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:52:16,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:52:16,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:52:16,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:52:16,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:52:16,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:52:16,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:52:16,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:52:16,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:52:16,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:52:16,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:52:16,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:52:16,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:52:16,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:52:16,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:52:16,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:52:16,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:52:16,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:52:16,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:52:16,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:52:16,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:52:16,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:52:16,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:52:16,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:52:16,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:52:16,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:52:16,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:52:16,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:52:16,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:52:16,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:52:16,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:52:16,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:52:16,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:52:16,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:52:16,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:52:16,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:52:16,308 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 13:52:16,333 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:52:16,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:52:16,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:52:16,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:52:16,335 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:52:16,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:52:16,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:52:16,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:52:16,336 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:52:16,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:52:16,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:52:16,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:52:16,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:52:16,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:52:16,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:52:16,337 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 13:52:16,337 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 13:52:16,337 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:52:16,337 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 13:52:16,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:52:16,337 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:52:16,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:52:16,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:52:16,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:52:16,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:52:16,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:52:16,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:52:16,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:52:16,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:52:16,339 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 13:52:16,339 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 13:52:16,339 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:52:16,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:52:16,340 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:52:16,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:52:16,340 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 13:52:16,340 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:52:16,340 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_7fd1ee13-b469-4515-9a54-ac52a919bf10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca4d8713e04670e323fedc399b34cfedc7eb2f7b6fbc3f98a477f4aa5b20129c [2022-12-13 13:52:16,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:52:16,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:52:16,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:52:16,581 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:52:16,581 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:52:16,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_31_bad.i [2022-12-13 13:52:19,095 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:52:19,316 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:52:19,316 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_31_bad.i [2022-12-13 13:52:19,331 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/data/081410833/dc4f554d09bb464fa771eb2b0912feee/FLAG98cd662d6 [2022-12-13 13:52:19,645 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/data/081410833/dc4f554d09bb464fa771eb2b0912feee [2022-12-13 13:52:19,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:52:19,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:52:19,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:52:19,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:52:19,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:52:19,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:52:19" (1/1) ... [2022-12-13 13:52:19,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c626b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:19, skipping insertion in model container [2022-12-13 13:52:19,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:52:19" (1/1) ... [2022-12-13 13:52:19,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:52:19,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:52:19,932 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:52:20,247 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:52:20,251 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:52:20,253 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:52:20,255 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:52:20,256 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:52:20,278 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:52:20,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:52:20,290 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:52:20,307 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 13:52:20,356 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 13:52:20,357 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:52:20,365 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 13:52:20,367 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:52:20,367 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 13:52:20,371 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 13:52:20,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:52:20,446 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:52:20,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:20 WrapperNode [2022-12-13 13:52:20,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:52:20,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:52:20,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:52:20,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:52:20,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:20" (1/1) ... [2022-12-13 13:52:20,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:20" (1/1) ... [2022-12-13 13:52:20,485 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-12-13 13:52:20,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:52:20,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:52:20,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:52:20,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:52:20,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:20" (1/1) ... [2022-12-13 13:52:20,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:20" (1/1) ... [2022-12-13 13:52:20,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:20" (1/1) ... [2022-12-13 13:52:20,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:20" (1/1) ... [2022-12-13 13:52:20,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:20" (1/1) ... [2022-12-13 13:52:20,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:20" (1/1) ... [2022-12-13 13:52:20,508 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:20" (1/1) ... [2022-12-13 13:52:20,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:20" (1/1) ... [2022-12-13 13:52:20,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:52:20,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:52:20,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:52:20,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:52:20,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:20" (1/1) ... [2022-12-13 13:52:20,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:52:20,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:52:20,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:52:20,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:52:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 13:52:20,571 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 13:52:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 13:52:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:52:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:52:20,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:52:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 13:52:20,683 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:52:20,684 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:52:20,789 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:52:20,795 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:52:20,795 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:52:20,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:52:20 BoogieIcfgContainer [2022-12-13 13:52:20,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:52:20,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:52:20,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:52:20,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:52:20,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:52:19" (1/3) ... [2022-12-13 13:52:20,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6205d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:52:20, skipping insertion in model container [2022-12-13 13:52:20,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:52:20" (2/3) ... [2022-12-13 13:52:20,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6205d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:52:20, skipping insertion in model container [2022-12-13 13:52:20,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:52:20" (3/3) ... [2022-12-13 13:52:20,803 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_31_bad.i [2022-12-13 13:52:20,816 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:52:20,817 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 13:52:20,849 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:52:20,853 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;@504629cd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:52:20,854 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 13:52:20,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 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 13:52:20,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 13:52:20,862 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:52:20,862 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:52:20,863 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:52:20,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:52:20,866 INFO L85 PathProgramCache]: Analyzing trace with hash 756235177, now seen corresponding path program 1 times [2022-12-13 13:52:20,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:52:20,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137859905] [2022-12-13 13:52:20,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:52:20,880 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 13:52:20,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:52:20,881 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/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 13:52:20,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/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 13:52:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:52:20,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 13:52:21,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:52:21,030 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 13:52:21,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:52:21,030 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:52:21,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [137859905] [2022-12-13 13:52:21,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [137859905] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:52:21,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:52:21,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:52:21,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894322030] [2022-12-13 13:52:21,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:52:21,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:52:21,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:52:21,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:52:21,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:52:21,062 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:52:21,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:52:21,100 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2022-12-13 13:52:21,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:52:21,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 13:52:21,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:52:21,107 INFO L225 Difference]: With dead ends: 28 [2022-12-13 13:52:21,107 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 13:52:21,110 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 13:52:21,113 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 8 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 13:52:21,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 44 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 13:52:21,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 13:52:21,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 13:52:21,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:52:21,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-13 13:52:21,139 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-13 13:52:21,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:52:21,139 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-13 13:52:21,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 13:52:21,140 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-13 13:52:21,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-13 13:52:21,140 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:52:21,140 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:52:21,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/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 13:52:21,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/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 13:52:21,342 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 13:52:21,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:52:21,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1968454063, now seen corresponding path program 1 times [2022-12-13 13:52:21,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:52:21,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911012024] [2022-12-13 13:52:21,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:52:21,347 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 13:52:21,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:52:21,350 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/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 13:52:21,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/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 13:52:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:52:21,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:52:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:52:21,481 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 13:52:21,481 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:52:21,482 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 13:52:21,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 13:52:21,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/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 13:52:21,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/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 13:52:21,695 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 13:52:21,706 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:52:21,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:52:21 BoogieIcfgContainer [2022-12-13 13:52:21,743 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:52:21,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:52:21,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:52:21,744 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:52:21,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:52:20" (3/4) ... [2022-12-13 13:52:21,746 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 13:52:21,778 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:52:21,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:52:21,779 INFO L158 Benchmark]: Toolchain (without parser) took 2130.25ms. Allocated memory is still 69.2MB. Free memory was 42.9MB in the beginning and 25.5MB in the end (delta: 17.4MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-12-13 13:52:21,779 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 33.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:52:21,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 797.65ms. Allocated memory is still 69.2MB. Free memory was 42.7MB in the beginning and 29.0MB in the end (delta: 13.7MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2022-12-13 13:52:21,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.94ms. Allocated memory is still 69.2MB. Free memory was 29.0MB in the beginning and 25.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:52:21,780 INFO L158 Benchmark]: Boogie Preprocessor took 25.17ms. Allocated memory is still 69.2MB. Free memory was 25.8MB in the beginning and 42.9MB in the end (delta: -17.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:52:21,781 INFO L158 Benchmark]: RCFGBuilder took 285.28ms. Allocated memory is still 69.2MB. Free memory was 42.9MB in the beginning and 30.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 13:52:21,781 INFO L158 Benchmark]: TraceAbstraction took 945.34ms. Allocated memory is still 69.2MB. Free memory was 29.0MB in the beginning and 28.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:52:21,781 INFO L158 Benchmark]: Witness Printer took 34.23ms. Allocated memory is still 69.2MB. Free memory was 28.0MB in the beginning and 25.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:52:21,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 33.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 797.65ms. Allocated memory is still 69.2MB. Free memory was 42.7MB in the beginning and 29.0MB in the end (delta: 13.7MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.94ms. Allocated memory is still 69.2MB. Free memory was 29.0MB in the beginning and 25.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.17ms. Allocated memory is still 69.2MB. Free memory was 25.8MB in the beginning and 42.9MB in the end (delta: -17.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 285.28ms. Allocated memory is still 69.2MB. Free memory was 42.9MB in the beginning and 30.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 945.34ms. Allocated memory is still 69.2MB. Free memory was 29.0MB in the beginning and 28.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 34.23ms. Allocated memory is still 69.2MB. Free memory was 28.0MB in the beginning and 25.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1558]: 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] [L1566] 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) [L1566] 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] [L1567] CALL CWE190_Integer_Overflow__int_rand_multiply_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=32767, rand()=0, rand()=0, rand()=98303, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=1073741824] [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [data=1073741824, data=1073741824, dataCopy=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE data > 0 VAL [data=1073741824, data=1073741824, dataCopy=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] data * 2 VAL [data=1073741824, data=1073741824, dataCopy=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1558]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 27 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 54 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 13:52:21,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd1ee13-b469-4515-9a54-ac52a919bf10/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)