./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur --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 490d5e7a829ff1299a05e702b803914eb017eb0815c8f37a8ad2a3b4e3dfd6af --- 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-38b53e6 [2022-11-25 23:15:58,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:15:58,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:15:58,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:15:58,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:15:58,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:15:58,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:15:58,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:15:58,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:15:58,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:15:58,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:15:58,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:15:58,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:15:58,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:15:58,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:15:58,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:15:58,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:15:58,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:15:58,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:15:58,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:15:58,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:15:58,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:15:58,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:15:58,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:15:58,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:15:58,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:15:58,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:15:58,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:15:58,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:15:58,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:15:58,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:15:58,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:15:58,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:15:58,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:15:58,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:15:58,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:15:58,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:15:58,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:15:58,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:15:58,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:15:58,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:15:58,732 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:15:58,770 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:15:58,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:15:58,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:15:58,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:15:58,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:15:58,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:15:58,788 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:15:58,788 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:15:58,788 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:15:58,788 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:15:58,789 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:15:58,790 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:15:58,790 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:15:58,790 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:15:58,790 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:15:58,791 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:15:58,791 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:15:58,791 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:15:58,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:15:58,793 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:15:58,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:15:58,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:15:58,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:15:58,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:15:58,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:15:58,794 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:15:58,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:15:58,795 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:15:58,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:15:58,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:15:58,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:15:58,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:15:58,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:15:58,797 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:15:58,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:15:58,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:15:58,797 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:15:58,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:15:58,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:15:58,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:15:58,798 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_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 490d5e7a829ff1299a05e702b803914eb017eb0815c8f37a8ad2a3b4e3dfd6af [2022-11-25 23:15:59,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:15:59,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:15:59,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:15:59,188 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:15:59,189 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:15:59,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i [2022-11-25 23:16:02,165 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:16:02,545 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:16:02,545 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i [2022-11-25 23:16:02,567 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/data/58877271c/db705a43f616444894459910a0dfa59c/FLAGb74d18009 [2022-11-25 23:16:02,582 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/data/58877271c/db705a43f616444894459910a0dfa59c [2022-11-25 23:16:02,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:16:02,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:16:02,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:16:02,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:16:02,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:16:02,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:16:02" (1/1) ... [2022-11-25 23:16:02,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792bb9ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:02, skipping insertion in model container [2022-11-25 23:16:02,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:16:02" (1/1) ... [2022-11-25 23:16:02,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:16:02,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:16:03,057 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:16:03,591 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:16:03,596 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:16:03,599 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:16:03,602 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:16:03,603 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:16:03,631 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:16:03,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:16:03,642 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:16:03,663 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:16:03,739 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:16:03,747 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:16:03,750 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:16:03,757 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:16:03,765 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:16:03,772 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:16:03,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:16:04,011 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:16:04,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:04 WrapperNode [2022-11-25 23:16:04,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:16:04,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:16:04,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:16:04,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:16:04,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:04" (1/1) ... [2022-11-25 23:16:04,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:04" (1/1) ... [2022-11-25 23:16:04,113 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2022-11-25 23:16:04,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:16:04,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:16:04,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:16:04,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:16:04,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:04" (1/1) ... [2022-11-25 23:16:04,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:04" (1/1) ... [2022-11-25 23:16:04,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:04" (1/1) ... [2022-11-25 23:16:04,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:04" (1/1) ... [2022-11-25 23:16:04,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:04" (1/1) ... [2022-11-25 23:16:04,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:04" (1/1) ... [2022-11-25 23:16:04,139 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:04" (1/1) ... [2022-11-25 23:16:04,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:04" (1/1) ... [2022-11-25 23:16:04,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:16:04,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:16:04,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:16:04,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:16:04,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:04" (1/1) ... [2022-11-25 23:16:04,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:16:04,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:16:04,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:16:04,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:16:04,233 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:16:04,233 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:16:04,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:16:04,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:16:04,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:16:04,234 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:16:04,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:16:04,368 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:16:04,371 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:16:04,534 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:16:04,719 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:16:04,719 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 23:16:04,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:16:04 BoogieIcfgContainer [2022-11-25 23:16:04,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:16:04,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:16:04,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:16:04,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:16:04,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:16:02" (1/3) ... [2022-11-25 23:16:04,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a73c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:16:04, skipping insertion in model container [2022-11-25 23:16:04,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:04" (2/3) ... [2022-11-25 23:16:04,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a73c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:16:04, skipping insertion in model container [2022-11-25 23:16:04,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:16:04" (3/3) ... [2022-11-25 23:16:04,746 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_16_bad.i [2022-11-25 23:16:04,768 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:16:04,769 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:16:04,835 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:16:04,842 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;@25cd3716, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:16:04,842 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:16:04,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:16:04,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:16:04,856 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:04,857 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:16:04,857 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:16:04,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:04,866 INFO L85 PathProgramCache]: Analyzing trace with hash 794827254, now seen corresponding path program 1 times [2022-11-25 23:16:04,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:16:04,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884744282] [2022-11-25 23:16:04,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:04,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:16:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:16:05,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 23:16:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:16:05,236 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 23:16:05,238 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 23:16:05,240 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 23:16:05,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 23:16:05,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:16:05,247 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 23:16:05,252 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:16:05,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:16:05 BoogieIcfgContainer [2022-11-25 23:16:05,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:16:05,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:16:05,277 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:16:05,277 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:16:05,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:16:04" (3/4) ... [2022-11-25 23:16:05,281 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 23:16:05,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:16:05,282 INFO L158 Benchmark]: Toolchain (without parser) took 2696.11ms. Allocated memory was 142.6MB in the beginning and 216.0MB in the end (delta: 73.4MB). Free memory was 98.0MB in the beginning and 124.9MB in the end (delta: -26.8MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2022-11-25 23:16:05,283 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 112.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:16:05,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1424.65ms. Allocated memory was 142.6MB in the beginning and 216.0MB in the end (delta: 73.4MB). Free memory was 98.0MB in the beginning and 173.1MB in the end (delta: -75.1MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2022-11-25 23:16:05,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.27ms. Allocated memory is still 216.0MB. Free memory was 173.1MB in the beginning and 169.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:16:05,285 INFO L158 Benchmark]: Boogie Preprocessor took 29.44ms. Allocated memory is still 216.0MB. Free memory was 169.9MB in the beginning and 167.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:16:05,285 INFO L158 Benchmark]: RCFGBuilder took 578.06ms. Allocated memory is still 216.0MB. Free memory was 167.8MB in the beginning and 146.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 23:16:05,286 INFO L158 Benchmark]: TraceAbstraction took 551.58ms. Allocated memory is still 216.0MB. Free memory was 146.9MB in the beginning and 124.9MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 23:16:05,286 INFO L158 Benchmark]: Witness Printer took 4.52ms. Allocated memory is still 216.0MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:16:05,289 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 112.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1424.65ms. Allocated memory was 142.6MB in the beginning and 216.0MB in the end (delta: 73.4MB). Free memory was 98.0MB in the beginning and 173.1MB in the end (delta: -75.1MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.27ms. Allocated memory is still 216.0MB. Free memory was 173.1MB in the beginning and 169.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.44ms. Allocated memory is still 216.0MB. Free memory was 169.9MB in the beginning and 167.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 578.06ms. Allocated memory is still 216.0MB. Free memory was 167.8MB in the beginning and 146.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 551.58ms. Allocated memory is still 216.0MB. Free memory was 146.9MB in the beginning and 124.9MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 4.52ms. Allocated memory is still 216.0MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1570] 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) [L1570] RET printLine("Calling bad()...") VAL [\old(argc)=6442450946, argc=6442450946, argv={6442450949:6442450948}, argv={6442450949:6442450948}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_postdec_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE 1 [L1560] data-- VAL [data=-2147483648, data--=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=6442450945] - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 23:16:05,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur --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 490d5e7a829ff1299a05e702b803914eb017eb0815c8f37a8ad2a3b4e3dfd6af --- 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-38b53e6 [2022-11-25 23:16:07,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:16:07,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:16:07,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:16:07,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:16:07,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:16:07,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:16:07,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:16:07,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:16:07,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:16:07,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:16:07,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:16:07,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:16:07,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:16:07,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:16:07,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:16:07,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:16:07,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:16:07,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:16:07,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:16:07,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:16:07,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:16:07,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:16:07,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:16:07,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:16:07,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:16:07,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:16:07,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:16:07,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:16:07,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:16:07,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:16:07,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:16:07,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:16:07,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:16:07,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:16:07,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:16:07,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:16:07,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:16:07,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:16:07,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:16:07,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:16:07,920 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 23:16:07,964 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:16:07,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:16:07,966 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:16:07,966 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:16:07,967 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:16:07,967 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:16:07,967 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:16:07,967 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:16:07,968 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:16:07,968 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:16:07,969 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:16:07,969 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:16:07,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:16:07,970 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:16:07,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:16:07,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:16:07,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:16:07,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:16:07,971 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:16:07,971 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:16:07,971 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:16:07,971 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:16:07,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:16:07,972 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:16:07,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:16:07,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:16:07,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:16:07,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:16:07,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:16:07,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:16:07,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:16:07,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:16:07,974 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:16:07,974 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:16:07,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:16:07,974 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:16:07,974 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:16:07,975 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_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 490d5e7a829ff1299a05e702b803914eb017eb0815c8f37a8ad2a3b4e3dfd6af [2022-11-25 23:16:08,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:16:08,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:16:08,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:16:08,387 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:16:08,388 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:16:08,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i [2022-11-25 23:16:11,486 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:16:11,889 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:16:11,892 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i [2022-11-25 23:16:11,915 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/data/011932c15/537fb5c1060445c490e375cdd68407dd/FLAG7deca834c [2022-11-25 23:16:11,933 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/data/011932c15/537fb5c1060445c490e375cdd68407dd [2022-11-25 23:16:11,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:16:11,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:16:11,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:16:11,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:16:11,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:16:11,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:16:11" (1/1) ... [2022-11-25 23:16:11,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@915c6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:11, skipping insertion in model container [2022-11-25 23:16:11,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:16:11" (1/1) ... [2022-11-25 23:16:11,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:16:12,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:16:12,421 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:16:13,175 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:16:13,181 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:16:13,184 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:16:13,193 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:16:13,194 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:16:13,236 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:16:13,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:16:13,250 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:16:13,268 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:16:13,309 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:16:13,310 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:16:13,311 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:16:13,313 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:16:13,314 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:16:13,318 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:16:13,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:16:13,475 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:16:13,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13 WrapperNode [2022-11-25 23:16:13,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:16:13,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:16:13,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:16:13,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:16:13,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:13,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:13,550 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2022-11-25 23:16:13,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:16:13,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:16:13,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:16:13,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:16:13,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:13,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:13,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:13,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:13,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:13,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:13,594 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:13,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:13,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:16:13,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:16:13,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:16:13,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:16:13,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (1/1) ... [2022-11-25 23:16:13,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:16:13,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:16:13,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:16:13,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:16:13,677 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:16:13,677 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:16:13,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 23:16:13,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:16:13,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:16:13,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:16:13,679 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:16:13,865 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:16:13,867 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:16:14,083 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:16:14,089 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:16:14,089 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 23:16:14,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:16:14 BoogieIcfgContainer [2022-11-25 23:16:14,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:16:14,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:16:14,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:16:14,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:16:14,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:16:11" (1/3) ... [2022-11-25 23:16:14,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716a665e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:16:14, skipping insertion in model container [2022-11-25 23:16:14,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:16:13" (2/3) ... [2022-11-25 23:16:14,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716a665e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:16:14, skipping insertion in model container [2022-11-25 23:16:14,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:16:14" (3/3) ... [2022-11-25 23:16:14,100 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_16_bad.i [2022-11-25 23:16:14,117 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:16:14,118 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:16:14,164 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:16:14,172 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;@31fe6a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:16:14,172 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:16:14,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:16:14,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 23:16:14,184 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:14,185 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:16:14,185 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:16:14,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:14,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1037499696, now seen corresponding path program 1 times [2022-11-25 23:16:14,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:16:14,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67324680] [2022-11-25 23:16:14,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:14,206 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:16:14,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:16:14,215 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:16:14,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 23:16:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:16:14,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 23:16:14,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:16:14,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:16:14,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:16:14,388 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:16:14,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67324680] [2022-11-25 23:16:14,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67324680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:16:14,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:16:14,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:16:14,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824842809] [2022-11-25 23:16:14,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:16:14,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:16:14,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:16:14,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:16:14,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:16:14,457 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:16:14,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:16:14,494 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2022-11-25 23:16:14,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:16:14,497 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-25 23:16:14,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:16:14,503 INFO L225 Difference]: With dead ends: 38 [2022-11-25 23:16:14,504 INFO L226 Difference]: Without dead ends: 14 [2022-11-25 23:16:14,507 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 [2022-11-25 23:16:14,515 INFO L413 NwaCegarLoop]: 24 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, 24 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 [2022-11-25 23:16:14,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:16:14,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-25 23:16:14,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-25 23:16:14,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:16:14,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-25 23:16:14,555 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11 [2022-11-25 23:16:14,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:16:14,557 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-25 23:16:14,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:16:14,557 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-25 23:16:14,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 23:16:14,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:16:14,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:16:14,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:16:14,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:16:14,772 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:16:14,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:16:14,772 INFO L85 PathProgramCache]: Analyzing trace with hash -603405290, now seen corresponding path program 1 times [2022-11-25 23:16:14,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:16:14,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779359474] [2022-11-25 23:16:14,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:16:14,774 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:16:14,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:16:14,800 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:16:14,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 23:16:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:16:14,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 23:16:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:16:14,994 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-25 23:16:14,995 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 23:16:14,998 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 23:16:15,001 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 23:16:15,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:16:15,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:16:15,220 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 23:16:15,224 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:16:15,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:16:15 BoogieIcfgContainer [2022-11-25 23:16:15,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:16:15,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:16:15,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:16:15,261 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:16:15,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:16:14" (3/4) ... [2022-11-25 23:16:15,263 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 23:16:15,305 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:16:15,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:16:15,306 INFO L158 Benchmark]: Toolchain (without parser) took 3369.97ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 48.9MB in the beginning and 54.1MB in the end (delta: -5.2MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-11-25 23:16:15,307 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:16:15,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1538.62ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 48.7MB in the beginning and 46.5MB in the end (delta: 2.2MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-11-25 23:16:15,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.76ms. Allocated memory is still 98.6MB. Free memory was 46.5MB in the beginning and 43.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:16:15,309 INFO L158 Benchmark]: Boogie Preprocessor took 48.23ms. Allocated memory is still 98.6MB. Free memory was 43.5MB in the beginning and 70.7MB in the end (delta: -27.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-11-25 23:16:15,309 INFO L158 Benchmark]: RCFGBuilder took 491.46ms. Allocated memory is still 98.6MB. Free memory was 70.2MB in the beginning and 57.1MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 23:16:15,310 INFO L158 Benchmark]: TraceAbstraction took 1167.04ms. Allocated memory is still 98.6MB. Free memory was 56.5MB in the beginning and 56.9MB in the end (delta: -355.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:16:15,310 INFO L158 Benchmark]: Witness Printer took 44.98ms. Allocated memory is still 98.6MB. Free memory was 56.9MB in the beginning and 54.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:16:15,316 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1538.62ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 48.7MB in the beginning and 46.5MB in the end (delta: 2.2MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.76ms. Allocated memory is still 98.6MB. Free memory was 46.5MB in the beginning and 43.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.23ms. Allocated memory is still 98.6MB. Free memory was 43.5MB in the beginning and 70.7MB in the end (delta: -27.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * RCFGBuilder took 491.46ms. Allocated memory is still 98.6MB. Free memory was 70.2MB in the beginning and 57.1MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1167.04ms. Allocated memory is still 98.6MB. Free memory was 56.5MB in the beginning and 56.9MB in the end (delta: -355.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 44.98ms. Allocated memory is still 98.6MB. Free memory was 56.9MB in the beginning and 54.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1560]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_rand_postdec_16_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=1, rand()=65536, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE 1 [L1560] data-- VAL [data=-2147483648, data--=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 24 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, 24 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=23occurred 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 42 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! [2022-11-25 23:16:15,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd6b8471-d5fd-46bf-b43e-bdc65274b6bb/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)