./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/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_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/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_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/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 e60083b35e5d32628f129c2d97f1e88ab8f2c86e1abe37750d7ed50dada9ab1c --- 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 04:44:43,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:44:43,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:44:43,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:44:43,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:44:43,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:44:43,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:44:43,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:44:43,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:44:43,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:44:43,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:44:43,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:44:43,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:44:43,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:44:43,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:44:43,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:44:43,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:44:43,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:44:43,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:44:43,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:44:43,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:44:43,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:44:43,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:44:43,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:44:43,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:44:43,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:44:43,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:44:43,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:44:43,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:44:43,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:44:43,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:44:43,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:44:43,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:44:43,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:44:43,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:44:43,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:44:43,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:44:43,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:44:43,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:44:43,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:44:43,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:44:43,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 04:44:43,813 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:44:43,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:44:43,814 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:44:43,814 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:44:43,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:44:43,815 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:44:43,815 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:44:43,815 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:44:43,816 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:44:43,816 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:44:43,816 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:44:43,816 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:44:43,816 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:44:43,817 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:44:43,817 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:44:43,817 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:44:43,817 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:44:43,817 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:44:43,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:44:43,818 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 04:44:43,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:44:43,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:44:43,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:44:43,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:44:43,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:44:43,819 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 04:44:43,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:44:43,819 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:44:43,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:44:43,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:44:43,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:44:43,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:44:43,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:44:43,821 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:44:43,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:44:43,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:44:43,821 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:44:43,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:44:43,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:44:43,821 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:44:43,822 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_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e60083b35e5d32628f129c2d97f1e88ab8f2c86e1abe37750d7ed50dada9ab1c [2022-12-14 04:44:44,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:44:44,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:44:44,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:44:44,033 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:44:44,034 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:44:44,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_45_bad.i [2022-12-14 04:44:46,618 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:44:46,858 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:44:46,859 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_45_bad.i [2022-12-14 04:44:46,873 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/data/77a34a732/81de87c40c0142129fa007d6d33cb4cc/FLAGc316f9d2d [2022-12-14 04:44:47,193 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/data/77a34a732/81de87c40c0142129fa007d6d33cb4cc [2022-12-14 04:44:47,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:44:47,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:44:47,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:44:47,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:44:47,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:44:47,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:47,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc9f714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47, skipping insertion in model container [2022-12-14 04:44:47,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:47,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:44:47,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:44:47,463 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 04:44:47,779 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 04:44:47,784 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:44:47,786 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:44:47,788 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:44:47,789 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:44:47,813 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 04:44:47,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:44:47,822 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:44:47,836 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 04:44:47,867 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 04:44:47,868 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:44:47,869 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:44:47,871 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:44:47,871 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:44:47,875 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 04:44:47,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:44:47,997 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:44:47,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47 WrapperNode [2022-12-14 04:44:47,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:44:47,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:44:47,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:44:47,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:44:48,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:48,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:48,038 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2022-12-14 04:44:48,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:44:48,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:44:48,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:44:48,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:44:48,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:48,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:48,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:48,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:48,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:48,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:48,054 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:48,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:48,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:44:48,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:44:48,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:44:48,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:44:48,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (1/1) ... [2022-12-14 04:44:48,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:44:48,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:44:48,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:44:48,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:44:48,116 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 04:44:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 04:44:48,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:44:48,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:44:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:44:48,117 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 04:44:48,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 04:44:48,213 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:44:48,214 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:44:48,318 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:44:48,370 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:44:48,370 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 04:44:48,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:44:48 BoogieIcfgContainer [2022-12-14 04:44:48,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:44:48,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:44:48,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:44:48,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:44:48,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:44:47" (1/3) ... [2022-12-14 04:44:48,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599f38ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:44:48, skipping insertion in model container [2022-12-14 04:44:48,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:47" (2/3) ... [2022-12-14 04:44:48,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599f38ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:44:48, skipping insertion in model container [2022-12-14 04:44:48,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:44:48" (3/3) ... [2022-12-14 04:44:48,379 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_45_bad.i [2022-12-14 04:44:48,392 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:44:48,393 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 04:44:48,424 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:44:48,428 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;@4308a751, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:44:48,428 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 04:44:48,431 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) [2022-12-14 04:44:48,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 04:44:48,436 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:44:48,437 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:44:48,437 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 04:44:48,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:44:48,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1699350023, now seen corresponding path program 1 times [2022-12-14 04:44:48,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:44:48,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113224151] [2022-12-14 04:44:48,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:44:48,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:44:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:44:48,648 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 04:44:48,649 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:44:48,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113224151] [2022-12-14 04:44:48,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113224151] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:44:48,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:44:48,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:44:48,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929509471] [2022-12-14 04:44:48,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:44:48,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:44:48,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:44:48,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:44:48,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:44:48,679 INFO L87 Difference]: Start difference. First 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) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 04:44:48,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:44:48,714 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-12-14 04:44:48,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:44:48,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) Word has length 7 [2022-12-14 04:44:48,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:44:48,721 INFO L225 Difference]: With dead ends: 18 [2022-12-14 04:44:48,721 INFO L226 Difference]: Without dead ends: 9 [2022-12-14 04:44:48,723 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 04:44:48,725 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 5 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:44:48,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 13 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:44:48,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-12-14 04:44:48,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-14 04:44:48,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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 04:44:48,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-12-14 04:44:48,749 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-12-14 04:44:48,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:44:48,749 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-12-14 04:44:48,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 04:44:48,749 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-12-14 04:44:48,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 04:44:48,750 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:44:48,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:44:48,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 04:44:48,750 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 04:44:48,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:44:48,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1140243217, now seen corresponding path program 1 times [2022-12-14 04:44:48,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:44:48,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126011079] [2022-12-14 04:44:48,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:44:48,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:44:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 04:44:48,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 04:44:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 04:44:48,840 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 04:44:48,840 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 04:44:48,841 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 04:44:48,843 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 04:44:48,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 04:44:48,846 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 04:44:48,848 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 04:44:48,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 04:44:48 BoogieIcfgContainer [2022-12-14 04:44:48,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 04:44:48,865 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 04:44:48,865 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 04:44:48,865 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 04:44:48,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:44:48" (3/4) ... [2022-12-14 04:44:48,868 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 04:44:48,868 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 04:44:48,869 INFO L158 Benchmark]: Toolchain (without parser) took 1673.09ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 81.3MB in the beginning and 78.8MB in the end (delta: 2.5MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2022-12-14 04:44:48,869 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 119.5MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:44:48,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 800.95ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 81.3MB in the beginning and 94.2MB in the end (delta: -12.9MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2022-12-14 04:44:48,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.11ms. Allocated memory is still 157.3MB. Free memory was 94.2MB in the beginning and 91.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 04:44:48,870 INFO L158 Benchmark]: Boogie Preprocessor took 18.62ms. Allocated memory is still 157.3MB. Free memory was 91.4MB in the beginning and 90.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 04:44:48,871 INFO L158 Benchmark]: RCFGBuilder took 314.85ms. Allocated memory is still 157.3MB. Free memory was 90.0MB in the beginning and 119.7MB in the end (delta: -29.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 04:44:48,871 INFO L158 Benchmark]: TraceAbstraction took 490.34ms. Allocated memory is still 157.3MB. Free memory was 118.7MB in the beginning and 78.8MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-12-14 04:44:48,871 INFO L158 Benchmark]: Witness Printer took 3.32ms. Allocated memory is still 157.3MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:44:48,874 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 119.5MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 800.95ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 81.3MB in the beginning and 94.2MB in the end (delta: -12.9MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.11ms. Allocated memory is still 157.3MB. Free memory was 94.2MB in the beginning and 91.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.62ms. Allocated memory is still 157.3MB. Free memory was 91.4MB in the beginning and 90.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.85ms. Allocated memory is still 157.3MB. Free memory was 90.0MB in the beginning and 119.7MB in the end (delta: -29.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 490.34ms. Allocated memory is still 157.3MB. Free memory was 118.7MB in the beginning and 78.8MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 3.32ms. Allocated memory is still 157.3MB. Free memory is still 78.8MB. 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1564, overapproximation of bitwiseAnd at line 1564. 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); [L1548] static int CWE190_Integer_Overflow__int_rand_multiply_45_badData; [L1549] static int CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData; [L1550] static int CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, 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) [L1571] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483651:2147483650}, argv={2147483651:2147483650}, CWE190_Integer_Overflow__int_rand_multiply_45_badData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_rand_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE190_Integer_Overflow__int_rand_multiply_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE190_Integer_Overflow__int_rand_multiply_45_badData; VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=2147483647, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE data > 0 VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=2147483647, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=2147483647, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1556]: 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: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 16 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=14occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 04:44:48,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/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_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/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_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/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 e60083b35e5d32628f129c2d97f1e88ab8f2c86e1abe37750d7ed50dada9ab1c --- 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 04:44:50,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:44:50,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:44:50,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:44:50,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:44:50,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:44:50,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:44:50,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:44:50,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:44:50,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:44:50,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:44:50,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:44:50,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:44:50,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:44:50,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:44:50,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:44:50,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:44:50,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:44:50,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:44:50,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:44:50,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:44:50,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:44:50,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:44:50,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:44:50,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:44:50,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:44:50,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:44:50,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:44:50,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:44:50,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:44:50,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:44:50,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:44:50,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:44:50,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:44:50,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:44:50,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:44:50,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:44:50,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:44:50,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:44:50,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:44:50,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:44:50,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 04:44:50,467 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:44:50,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:44:50,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:44:50,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:44:50,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:44:50,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:44:50,468 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:44:50,468 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:44:50,468 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:44:50,469 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:44:50,469 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:44:50,469 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:44:50,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:44:50,470 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 04:44:50,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:44:50,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:44:50,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:44:50,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:44:50,470 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 04:44:50,471 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 04:44:50,471 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 04:44:50,471 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 04:44:50,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:44:50,471 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:44:50,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:44:50,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:44:50,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 04:44:50,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:44:50,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:44:50,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:44:50,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:44:50,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:44:50,473 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 04:44:50,473 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 04:44:50,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:44:50,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:44:50,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 04:44:50,474 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_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e60083b35e5d32628f129c2d97f1e88ab8f2c86e1abe37750d7ed50dada9ab1c [2022-12-14 04:44:50,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:44:50,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:44:50,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:44:50,732 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:44:50,733 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:44:50,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_45_bad.i [2022-12-14 04:44:53,331 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:44:53,542 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:44:53,542 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_45_bad.i [2022-12-14 04:44:53,563 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/data/df3c145aa/339a139f0cd048c58197178d7b571e3a/FLAG06034a78f [2022-12-14 04:44:53,578 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/data/df3c145aa/339a139f0cd048c58197178d7b571e3a [2022-12-14 04:44:53,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:44:53,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:44:53,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:44:53,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:44:53,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:44:53,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:44:53" (1/1) ... [2022-12-14 04:44:53,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b86d5d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:53, skipping insertion in model container [2022-12-14 04:44:53,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:44:53" (1/1) ... [2022-12-14 04:44:53,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:44:53,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:44:53,879 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 04:44:54,170 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 04:44:54,174 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:44:54,175 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:44:54,177 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:44:54,177 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:44:54,195 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 04:44:54,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:44:54,207 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:44:54,222 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 04:44:54,277 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 04:44:54,279 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:44:54,280 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:44:54,282 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:44:54,283 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:44:54,289 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 04:44:54,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:44:54,377 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:44:54,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:54 WrapperNode [2022-12-14 04:44:54,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:44:54,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:44:54,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:44:54,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:44:54,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:54" (1/1) ... [2022-12-14 04:44:54,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:54" (1/1) ... [2022-12-14 04:44:54,429 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2022-12-14 04:44:54,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:44:54,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:44:54,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:44:54,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:44:54,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:54" (1/1) ... [2022-12-14 04:44:54,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:54" (1/1) ... [2022-12-14 04:44:54,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:54" (1/1) ... [2022-12-14 04:44:54,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:54" (1/1) ... [2022-12-14 04:44:54,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:54" (1/1) ... [2022-12-14 04:44:54,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:54" (1/1) ... [2022-12-14 04:44:54,456 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:54" (1/1) ... [2022-12-14 04:44:54,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:54" (1/1) ... [2022-12-14 04:44:54,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:44:54,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:44:54,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:44:54,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:44:54,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:54" (1/1) ... [2022-12-14 04:44:54,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:44:54,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:44:54,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:44:54,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:44:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 04:44:54,522 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 04:44:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 04:44:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:44:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:44:54,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:44:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 04:44:54,644 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:44:54,645 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:44:54,753 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:44:54,758 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:44:54,758 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 04:44:54,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:44:54 BoogieIcfgContainer [2022-12-14 04:44:54,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:44:54,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:44:54,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:44:54,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:44:54,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:44:53" (1/3) ... [2022-12-14 04:44:54,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b63550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:44:54, skipping insertion in model container [2022-12-14 04:44:54,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:44:54" (2/3) ... [2022-12-14 04:44:54,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b63550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:44:54, skipping insertion in model container [2022-12-14 04:44:54,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:44:54" (3/3) ... [2022-12-14 04:44:54,766 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_45_bad.i [2022-12-14 04:44:54,780 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:44:54,780 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 04:44:54,819 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:44:54,824 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;@64f48ee0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:44:54,824 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 04:44:54,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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 04:44:54,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 04:44:54,834 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:44:54,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:44:54,834 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 04:44:54,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:44:54,839 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-14 04:44:54,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:44:54,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296266605] [2022-12-14 04:44:54,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:44:54,849 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 04:44:54,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:44:54,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/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 04:44:54,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/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 04:44:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:44:54,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 04:44:54,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:44:54,978 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 04:44:54,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:44:54,979 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:44:54,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296266605] [2022-12-14 04:44:54,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296266605] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:44:54,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:44:54,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:44:54,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002960494] [2022-12-14 04:44:54,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:44:54,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:44:54,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:44:55,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:44:55,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:44:55,008 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:44:55,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:44:55,034 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2022-12-14 04:44:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:44:55,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-14 04:44:55,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:44:55,040 INFO L225 Difference]: With dead ends: 30 [2022-12-14 04:44:55,040 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 04:44:55,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:44:55,044 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 9 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:44:55,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 48 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:44:55,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 04:44:55,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-14 04:44:55,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:44:55,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-14 04:44:55,067 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-14 04:44:55,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:44:55,068 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-14 04:44:55,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 04:44:55,068 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-14 04:44:55,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 04:44:55,068 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:44:55,068 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:44:55,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/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 04:44:55,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/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 04:44:55,271 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 04:44:55,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:44:55,273 INFO L85 PathProgramCache]: Analyzing trace with hash 149558707, now seen corresponding path program 1 times [2022-12-14 04:44:55,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:44:55,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [154021008] [2022-12-14 04:44:55,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:44:55,278 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 04:44:55,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:44:55,282 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/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 04:44:55,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/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 04:44:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 04:44:55,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 04:44:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 04:44:55,515 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 04:44:55,516 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 04:44:55,517 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 04:44:55,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 04:44:55,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/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 04:44:55,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/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 04:44:55,731 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 04:44:55,743 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 04:44:55,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 04:44:55 BoogieIcfgContainer [2022-12-14 04:44:55,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 04:44:55,859 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 04:44:55,859 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 04:44:55,860 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 04:44:55,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:44:54" (3/4) ... [2022-12-14 04:44:55,865 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 04:44:55,921 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 04:44:55,921 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 04:44:55,922 INFO L158 Benchmark]: Toolchain (without parser) took 2339.96ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 78.6MB in the beginning and 87.9MB in the end (delta: -9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 04:44:55,922 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:44:55,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 794.50ms. Allocated memory is still 98.6MB. Free memory was 78.3MB in the beginning and 70.3MB in the end (delta: 8.0MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2022-12-14 04:44:55,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.86ms. Allocated memory is still 98.6MB. Free memory was 70.3MB in the beginning and 67.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 04:44:55,923 INFO L158 Benchmark]: Boogie Preprocessor took 30.71ms. Allocated memory is still 98.6MB. Free memory was 67.6MB in the beginning and 65.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 04:44:55,923 INFO L158 Benchmark]: RCFGBuilder took 297.71ms. Allocated memory is still 98.6MB. Free memory was 65.1MB in the beginning and 52.0MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 04:44:55,924 INFO L158 Benchmark]: TraceAbstraction took 1096.77ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 51.4MB in the beginning and 90.6MB in the end (delta: -39.2MB). Peak memory consumption was 81.0kB. Max. memory is 16.1GB. [2022-12-14 04:44:55,924 INFO L158 Benchmark]: Witness Printer took 61.90ms. Allocated memory is still 119.5MB. Free memory was 90.6MB in the beginning and 87.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:44:55,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 794.50ms. Allocated memory is still 98.6MB. Free memory was 78.3MB in the beginning and 70.3MB in the end (delta: 8.0MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.86ms. Allocated memory is still 98.6MB. Free memory was 70.3MB in the beginning and 67.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.71ms. Allocated memory is still 98.6MB. Free memory was 67.6MB in the beginning and 65.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 297.71ms. Allocated memory is still 98.6MB. Free memory was 65.1MB in the beginning and 52.0MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1096.77ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 51.4MB in the beginning and 90.6MB in the end (delta: -39.2MB). Peak memory consumption was 81.0kB. Max. memory is 16.1GB. * Witness Printer took 61.90ms. Allocated memory is still 119.5MB. Free memory was 90.6MB in the beginning and 87.9MB in the end (delta: 2.7MB). 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 - CounterExampleResult [Line: 1556]: 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); [L1548] static int CWE190_Integer_Overflow__int_rand_multiply_45_badData; [L1549] static int CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData; [L1550] static int CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData; VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, 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 printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, 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) [L1571] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, CWE190_Integer_Overflow__int_rand_multiply_45_badData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_rand_multiply_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, 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()=1073741822, rand()=0, rand()=2, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=1073741825] [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE190_Integer_Overflow__int_rand_multiply_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE190_Integer_Overflow__int_rand_multiply_45_badData; VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=1073741825, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, data=1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE data > 0 VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=1073741825, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, data=1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [CWE190_Integer_Overflow__int_rand_multiply_45_badData=1073741825, CWE190_Integer_Overflow__int_rand_multiply_45_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_45_goodG2BData=0, data=1073741825, 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 29 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 57 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 04:44:55,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21b3f07b-a7bc-4f57-aeb5-06f4f4cd6c6a/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)