./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_66_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_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7bf78a6027cbabee402ccb9ebc03de7cc501fd11ceb95ecd0c2c6b38a2d04e4d --- 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 [2022-12-14 07:10:28,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:10:28,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:10:28,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:10:28,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:10:28,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:10:28,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:10:28,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:10:28,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:10:28,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:10:28,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:10:28,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:10:28,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:10:28,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:10:28,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:10:28,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:10:28,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:10:28,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:10:28,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:10:28,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:10:28,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:10:28,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:10:28,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:10:28,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:10:28,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:10:28,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:10:28,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:10:28,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:10:28,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:10:28,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:10:28,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:10:28,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:10:28,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:10:28,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:10:28,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:10:28,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:10:28,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:10:28,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:10:28,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:10:28,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:10:28,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:10:28,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 07:10:28,798 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:10:28,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:10:28,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:10:28,799 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:10:28,799 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:10:28,799 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:10:28,800 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:10:28,800 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:10:28,800 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:10:28,800 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:10:28,800 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:10:28,800 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:10:28,801 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:10:28,801 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:10:28,801 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:10:28,801 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:10:28,801 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:10:28,801 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:10:28,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:10:28,802 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 07:10:28,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:10:28,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:10:28,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:10:28,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:10:28,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:10:28,803 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 07:10:28,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:10:28,804 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:10:28,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:10:28,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:10:28,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:10:28,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:10:28,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:10:28,805 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:10:28,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:10:28,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:10:28,805 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:10:28,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:10:28,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:10:28,805 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:10:28,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bf78a6027cbabee402ccb9ebc03de7cc501fd11ceb95ecd0c2c6b38a2d04e4d [2022-12-14 07:10:28,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:10:29,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:10:29,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:10:29,013 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:10:29,014 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:10:29,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_66_bad.i [2022-12-14 07:10:31,598 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:10:31,843 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:10:31,843 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_66_bad.i [2022-12-14 07:10:31,860 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/data/8318c74b6/57596609968b4932a7dab04f77b5bea3/FLAG983b3171f [2022-12-14 07:10:32,184 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/data/8318c74b6/57596609968b4932a7dab04f77b5bea3 [2022-12-14 07:10:32,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:10:32,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:10:32,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:10:32,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:10:32,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:10:32,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:10:32" (1/1) ... [2022-12-14 07:10:32,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a4983c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:32, skipping insertion in model container [2022-12-14 07:10:32,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:10:32" (1/1) ... [2022-12-14 07:10:32,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:10:32,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:10:32,456 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 07:10:32,747 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 07:10:32,751 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:10:32,753 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:10:32,755 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:10:32,755 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:10:32,774 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 07:10:32,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:10:32,784 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:10:32,798 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 07:10:32,828 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 07:10:32,829 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:10:32,830 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:10:32,831 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:10:32,832 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:10:32,835 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 07:10:32,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:10:32,917 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:10:32,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:32 WrapperNode [2022-12-14 07:10:32,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:10:32,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:10:32,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:10:32,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:10:32,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:32" (1/1) ... [2022-12-14 07:10:32,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:32" (1/1) ... [2022-12-14 07:10:32,966 INFO L138 Inliner]: procedures = 500, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2022-12-14 07:10:32,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:10:32,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:10:32,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:10:32,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:10:32,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:32" (1/1) ... [2022-12-14 07:10:32,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:32" (1/1) ... [2022-12-14 07:10:32,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:32" (1/1) ... [2022-12-14 07:10:32,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:32" (1/1) ... [2022-12-14 07:10:32,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:32" (1/1) ... [2022-12-14 07:10:32,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:32" (1/1) ... [2022-12-14 07:10:32,990 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:32" (1/1) ... [2022-12-14 07:10:32,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:32" (1/1) ... [2022-12-14 07:10:32,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:10:32,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:10:32,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:10:32,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:10:32,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:32" (1/1) ... [2022-12-14 07:10:33,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:10:33,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:10:33,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:10:33,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:10:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 07:10:33,052 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 07:10:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:10:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:10:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:10:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:10:33,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:10:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:10:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 07:10:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:10:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:10:33,164 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:10:33,166 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:10:33,297 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:10:33,363 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:10:33,363 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 07:10:33,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:10:33 BoogieIcfgContainer [2022-12-14 07:10:33,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:10:33,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:10:33,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:10:33,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:10:33,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:10:32" (1/3) ... [2022-12-14 07:10:33,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79cf5fa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:10:33, skipping insertion in model container [2022-12-14 07:10:33,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:32" (2/3) ... [2022-12-14 07:10:33,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79cf5fa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:10:33, skipping insertion in model container [2022-12-14 07:10:33,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:10:33" (3/3) ... [2022-12-14 07:10:33,374 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_66_bad.i [2022-12-14 07:10:33,392 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:10:33,392 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 07:10:33,435 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:10:33,441 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4190bc7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:10:33,441 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 07:10:33,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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) [2022-12-14 07:10:33,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 07:10:33,452 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:10:33,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 07:10:33,453 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 07:10:33,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:10:33,459 INFO L85 PathProgramCache]: Analyzing trace with hash 2123687601, now seen corresponding path program 1 times [2022-12-14 07:10:33,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:10:33,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144267384] [2022-12-14 07:10:33,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:10:33,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:10:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:10:33,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:10:33,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:10:33,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144267384] [2022-12-14 07:10:33,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144267384] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:10:33,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:10:33,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:10:33,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798584508] [2022-12-14 07:10:33,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:10:33,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:10:33,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:10:33,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:10:33,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:10:33,958 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-14 07:10:33,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:10:33,989 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-12-14 07:10:33,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:10:33,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 6 [2022-12-14 07:10:33,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:10:33,996 INFO L225 Difference]: With dead ends: 12 [2022-12-14 07:10:33,996 INFO L226 Difference]: Without dead ends: 8 [2022-12-14 07:10:33,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:10:34,000 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:10:34,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 7 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:10:34,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-12-14 07:10:34,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-12-14 07:10:34,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:10:34,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-12-14 07:10:34,025 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-12-14 07:10:34,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:10:34,025 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-12-14 07:10:34,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-14 07:10:34,025 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-12-14 07:10:34,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 07:10:34,026 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:10:34,026 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:10:34,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:10:34,026 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 07:10:34,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:10:34,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1409806244, now seen corresponding path program 1 times [2022-12-14 07:10:34,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:10:34,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823354158] [2022-12-14 07:10:34,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:10:34,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:10:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 07:10:34,053 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 07:10:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 07:10:34,084 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 07:10:34,084 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 07:10:34,086 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 07:10:34,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 07:10:34,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:10:34,097 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 07:10:34,100 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 07:10:34,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 07:10:34 BoogieIcfgContainer [2022-12-14 07:10:34,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 07:10:34,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 07:10:34,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 07:10:34,119 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 07:10:34,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:10:33" (3/4) ... [2022-12-14 07:10:34,122 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 07:10:34,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 07:10:34,123 INFO L158 Benchmark]: Toolchain (without parser) took 1931.52ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 103.2MB in the beginning and 135.4MB in the end (delta: -32.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:10:34,123 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:10:34,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 724.13ms. Allocated memory is still 140.5MB. Free memory was 102.6MB in the beginning and 91.1MB in the end (delta: 11.6MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2022-12-14 07:10:34,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.56ms. Allocated memory is still 140.5MB. Free memory was 91.1MB in the beginning and 87.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 07:10:34,124 INFO L158 Benchmark]: Boogie Preprocessor took 26.77ms. Allocated memory is still 140.5MB. Free memory was 87.6MB in the beginning and 86.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:10:34,125 INFO L158 Benchmark]: RCFGBuilder took 371.31ms. Allocated memory is still 140.5MB. Free memory was 86.2MB in the beginning and 65.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 07:10:34,125 INFO L158 Benchmark]: TraceAbstraction took 750.53ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 64.5MB in the beginning and 135.4MB in the end (delta: -70.8MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-12-14 07:10:34,125 INFO L158 Benchmark]: Witness Printer took 3.37ms. Allocated memory is still 169.9MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:10:34,127 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 724.13ms. Allocated memory is still 140.5MB. Free memory was 102.6MB in the beginning and 91.1MB in the end (delta: 11.6MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.56ms. Allocated memory is still 140.5MB. Free memory was 91.1MB in the beginning and 87.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.77ms. Allocated memory is still 140.5MB. Free memory was 87.6MB in the beginning and 86.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 371.31ms. Allocated memory is still 140.5MB. Free memory was 86.2MB in the beginning and 65.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 750.53ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 64.5MB in the beginning and 135.4MB in the end (delta: -70.8MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Witness Printer took 3.37ms. Allocated memory is still 169.9MB. Free memory is still 135.4MB. 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1561] 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) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, argv={2147483650:2147483649}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_rand_add_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE190_Integer_Overflow__int_rand_add_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] data + 1 VAL [data=2147483647, dataArray={4:0}, dataArray={4:0}, 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: 1570]: 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 0.3s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2022-12-14 07:10:34,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/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 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_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7bf78a6027cbabee402ccb9ebc03de7cc501fd11ceb95ecd0c2c6b38a2d04e4d --- 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 [2022-12-14 07:10:35,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:10:35,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:10:35,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:10:35,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:10:35,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:10:35,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:10:35,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:10:35,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:10:35,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:10:35,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:10:35,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:10:35,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:10:35,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:10:35,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:10:35,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:10:35,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:10:35,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:10:35,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:10:35,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:10:35,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:10:35,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:10:35,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:10:35,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:10:35,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:10:35,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:10:35,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:10:35,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:10:35,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:10:35,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:10:35,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:10:35,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:10:35,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:10:35,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:10:35,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:10:35,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:10:35,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:10:35,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:10:35,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:10:35,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:10:35,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:10:35,935 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 07:10:35,957 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:10:35,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:10:35,958 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:10:35,958 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:10:35,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:10:35,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:10:35,959 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:10:35,959 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:10:35,959 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:10:35,959 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:10:35,960 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:10:35,960 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:10:35,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:10:35,960 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 07:10:35,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:10:35,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:10:35,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:10:35,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:10:35,961 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 07:10:35,961 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 07:10:35,961 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 07:10:35,962 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 07:10:35,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:10:35,962 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:10:35,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:10:35,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:10:35,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 07:10:35,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:10:35,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:10:35,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:10:35,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:10:35,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:10:35,963 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 07:10:35,964 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 07:10:35,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:10:35,964 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:10:35,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 07:10:35,964 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bf78a6027cbabee402ccb9ebc03de7cc501fd11ceb95ecd0c2c6b38a2d04e4d [2022-12-14 07:10:36,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:10:36,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:10:36,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:10:36,221 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:10:36,221 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:10:36,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_66_bad.i [2022-12-14 07:10:38,760 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:10:39,008 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:10:39,009 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_66_bad.i [2022-12-14 07:10:39,024 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/data/ee645c6fa/a40f6f0ac2e14e46a208f787a66c31c7/FLAG6d0dd7365 [2022-12-14 07:10:39,034 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/data/ee645c6fa/a40f6f0ac2e14e46a208f787a66c31c7 [2022-12-14 07:10:39,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:10:39,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:10:39,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:10:39,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:10:39,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:10:39,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:10:39" (1/1) ... [2022-12-14 07:10:39,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d1d7ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:39, skipping insertion in model container [2022-12-14 07:10:39,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:10:39" (1/1) ... [2022-12-14 07:10:39,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:10:39,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:10:39,306 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 07:10:39,579 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 07:10:39,583 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:10:39,584 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:10:39,586 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:10:39,586 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:10:39,604 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 07:10:39,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:10:39,629 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:10:39,666 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 07:10:39,713 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 07:10:39,715 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:10:39,716 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:10:39,718 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:10:39,719 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:10:39,723 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 07:10:39,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:10:39,865 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:10:39,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:39 WrapperNode [2022-12-14 07:10:39,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:10:39,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:10:39,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:10:39,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:10:39,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:39" (1/1) ... [2022-12-14 07:10:39,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:39" (1/1) ... [2022-12-14 07:10:39,909 INFO L138 Inliner]: procedures = 505, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2022-12-14 07:10:39,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:10:39,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:10:39,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:10:39,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:10:39,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:39" (1/1) ... [2022-12-14 07:10:39,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:39" (1/1) ... [2022-12-14 07:10:39,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:39" (1/1) ... [2022-12-14 07:10:39,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:39" (1/1) ... [2022-12-14 07:10:39,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:39" (1/1) ... [2022-12-14 07:10:39,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:39" (1/1) ... [2022-12-14 07:10:39,929 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:39" (1/1) ... [2022-12-14 07:10:39,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:39" (1/1) ... [2022-12-14 07:10:39,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:10:39,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:10:39,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:10:39,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:10:39,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:39" (1/1) ... [2022-12-14 07:10:39,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:10:39,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:10:39,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:10:39,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:10:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 07:10:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 07:10:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:10:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 07:10:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:10:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:10:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:10:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 07:10:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:10:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 07:10:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 07:10:40,107 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:10:40,112 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:10:40,221 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:10:40,226 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:10:40,227 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 07:10:40,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:10:40 BoogieIcfgContainer [2022-12-14 07:10:40,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:10:40,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:10:40,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:10:40,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:10:40,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:10:39" (1/3) ... [2022-12-14 07:10:40,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f0c32e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:10:40, skipping insertion in model container [2022-12-14 07:10:40,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:10:39" (2/3) ... [2022-12-14 07:10:40,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f0c32e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:10:40, skipping insertion in model container [2022-12-14 07:10:40,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:10:40" (3/3) ... [2022-12-14 07:10:40,237 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_66_bad.i [2022-12-14 07:10:40,254 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:10:40,255 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 07:10:40,289 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:10:40,294 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@49e44c9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:10:40,294 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 07:10:40,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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) [2022-12-14 07:10:40,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 07:10:40,303 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:10:40,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:10:40,304 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 07:10:40,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:10:40,308 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-14 07:10:40,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 07:10:40,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [831770542] [2022-12-14 07:10:40,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:10:40,319 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 [2022-12-14 07:10:40,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 07:10:40,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/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) [2022-12-14 07:10:40,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/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 [2022-12-14 07:10:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:10:40,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 07:10:40,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:10:40,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:10:40,449 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:10:40,450 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 07:10:40,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [831770542] [2022-12-14 07:10:40,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [831770542] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:10:40,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:10:40,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 07:10:40,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144955123] [2022-12-14 07:10:40,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:10:40,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 07:10:40,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 07:10:40,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 07:10:40,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:10:40,488 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:10:40,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:10:40,505 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-12-14 07:10:40,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 07:10:40,507 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-14 07:10:40,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:10:40,512 INFO L225 Difference]: With dead ends: 22 [2022-12-14 07:10:40,512 INFO L226 Difference]: Without dead ends: 13 [2022-12-14 07:10:40,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:10:40,518 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:10:40,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:10:40,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-14 07:10:40,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-14 07:10:40,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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) [2022-12-14 07:10:40,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-14 07:10:40,544 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-14 07:10:40,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:10:40,545 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-14 07:10:40,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:10:40,545 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-14 07:10:40,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 07:10:40,546 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:10:40,546 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:10:40,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/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 [2022-12-14 07:10:40,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/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 [2022-12-14 07:10:40,747 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 07:10:40,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:10:40,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2022-12-14 07:10:40,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 07:10:40,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109808769] [2022-12-14 07:10:40,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:10:40,749 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 [2022-12-14 07:10:40,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 07:10:40,750 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/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) [2022-12-14 07:10:40,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/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 [2022-12-14 07:10:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 07:10:40,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 07:10:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 07:10:40,919 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 07:10:40,919 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 07:10:40,921 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 07:10:40,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 07:10:40,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/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 [2022-12-14 07:10:41,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/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 [2022-12-14 07:10:41,134 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 07:10:41,146 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 07:10:41,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 07:10:41 BoogieIcfgContainer [2022-12-14 07:10:41,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 07:10:41,232 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 07:10:41,232 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 07:10:41,233 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 07:10:41,234 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:10:40" (3/4) ... [2022-12-14 07:10:41,239 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 07:10:41,289 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 07:10:41,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 07:10:41,290 INFO L158 Benchmark]: Toolchain (without parser) took 2252.32ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 54.4MB in the beginning and 65.6MB in the end (delta: -11.2MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-12-14 07:10:41,290 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 79.7MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:10:41,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 828.09ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 54.1MB in the beginning and 57.3MB in the end (delta: -3.2MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2022-12-14 07:10:41,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.56ms. Allocated memory is still 100.7MB. Free memory was 57.3MB in the beginning and 54.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:10:41,292 INFO L158 Benchmark]: Boogie Preprocessor took 22.37ms. Allocated memory is still 100.7MB. Free memory was 54.3MB in the beginning and 52.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:10:41,292 INFO L158 Benchmark]: RCFGBuilder took 295.79ms. Allocated memory is still 100.7MB. Free memory was 52.1MB in the beginning and 68.1MB in the end (delta: -16.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 07:10:41,292 INFO L158 Benchmark]: TraceAbstraction took 999.03ms. Allocated memory is still 100.7MB. Free memory was 67.7MB in the beginning and 67.7MB in the end (delta: -4.8kB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2022-12-14 07:10:41,293 INFO L158 Benchmark]: Witness Printer took 57.48ms. Allocated memory is still 100.7MB. Free memory was 67.7MB in the beginning and 65.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:10:41,295 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 79.7MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 828.09ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 54.1MB in the beginning and 57.3MB in the end (delta: -3.2MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.56ms. Allocated memory is still 100.7MB. Free memory was 57.3MB in the beginning and 54.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.37ms. Allocated memory is still 100.7MB. Free memory was 54.3MB in the beginning and 52.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 295.79ms. Allocated memory is still 100.7MB. Free memory was 52.1MB in the beginning and 68.1MB in the end (delta: -16.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 999.03ms. Allocated memory is still 100.7MB. Free memory was 67.7MB in the beginning and 67.7MB in the end (delta: -4.8kB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. * Witness Printer took 57.48ms. Allocated memory is still 100.7MB. Free memory was 67.7MB in the beginning and 65.6MB in the end (delta: 2.1MB). 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: 1570]: 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] [L1561] 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) [L1561] 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] [L1562] CALL CWE190_Integer_Overflow__int_rand_add_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, dataArray={7:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=2, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE190_Integer_Overflow__int_rand_add_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] data + 1 VAL [data=2147483647, dataArray={7:0}, dataArray={7:0}, 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: 1570]: 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, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 73 ConjunctsInSsa, 1 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! [2022-12-14 07:10:41,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60939b84-21e7-4531-8f5b-f8a0dbab0ef8/bin/utaipan-gh47qXpMRh/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)