./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_02_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_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/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_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/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_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/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 3a60c73bd15d5b2296ee06660d2c74536709da078ba2de36a9c4e8aeb3015f63 --- 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 05:21:33,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:21:33,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:21:33,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:21:33,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:21:33,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:21:33,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:21:33,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:21:33,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:21:33,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:21:33,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:21:33,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:21:33,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:21:33,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:21:33,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:21:33,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:21:33,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:21:33,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:21:33,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:21:33,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:21:33,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:21:33,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:21:33,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:21:33,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:21:33,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:21:33,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:21:33,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:21:33,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:21:33,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:21:33,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:21:33,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:21:33,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:21:33,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:21:33,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:21:33,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:21:33,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:21:33,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:21:33,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:21:33,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:21:33,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:21:33,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:21:33,759 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 05:21:33,781 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:21:33,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:21:33,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:21:33,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:21:33,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:21:33,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:21:33,782 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:21:33,783 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:21:33,783 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:21:33,783 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:21:33,783 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:21:33,783 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:21:33,783 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:21:33,783 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:21:33,784 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:21:33,784 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:21:33,784 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:21:33,784 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:21:33,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:21:33,785 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:21:33,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:21:33,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:21:33,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:21:33,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:21:33,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:21:33,785 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 05:21:33,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:21:33,786 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:21:33,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:21:33,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:21:33,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:21:33,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:21:33,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:21:33,787 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:21:33,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:21:33,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:21:33,787 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:21:33,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:21:33,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:21:33,788 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:21:33,788 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_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a60c73bd15d5b2296ee06660d2c74536709da078ba2de36a9c4e8aeb3015f63 [2022-12-14 05:21:33,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:21:33,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:21:33,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:21:33,995 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:21:33,995 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:21:33,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_02_bad.i [2022-12-14 05:21:36,553 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:21:36,824 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:21:36,825 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_02_bad.i [2022-12-14 05:21:36,842 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/data/5dd4321c4/53f59aecc79e43528ea37b7a32db111b/FLAG5c6bff8ca [2022-12-14 05:21:37,121 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/data/5dd4321c4/53f59aecc79e43528ea37b7a32db111b [2022-12-14 05:21:37,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:21:37,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:21:37,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:21:37,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:21:37,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:21:37,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:21:37" (1/1) ... [2022-12-14 05:21:37,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@674a362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:37, skipping insertion in model container [2022-12-14 05:21:37,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:21:37" (1/1) ... [2022-12-14 05:21:37,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:21:37,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:21:37,451 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:21:37,855 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:21:37,860 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:21:37,862 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:21:37,864 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:21:37,865 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:21:37,888 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:21:37,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:21:37,897 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:21:37,912 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:21:37,959 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:21:37,961 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:21:37,962 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:21:37,964 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:21:37,965 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:21:37,970 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:21:37,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:21:38,069 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:21:38,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:38 WrapperNode [2022-12-14 05:21:38,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:21:38,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:21:38,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:21:38,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:21:38,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:38" (1/1) ... [2022-12-14 05:21:38,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:38" (1/1) ... [2022-12-14 05:21:38,106 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-12-14 05:21:38,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:21:38,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:21:38,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:21:38,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:21:38,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:38" (1/1) ... [2022-12-14 05:21:38,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:38" (1/1) ... [2022-12-14 05:21:38,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:38" (1/1) ... [2022-12-14 05:21:38,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:38" (1/1) ... [2022-12-14 05:21:38,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:38" (1/1) ... [2022-12-14 05:21:38,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:38" (1/1) ... [2022-12-14 05:21:38,125 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:38" (1/1) ... [2022-12-14 05:21:38,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:38" (1/1) ... [2022-12-14 05:21:38,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:21:38,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:21:38,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:21:38,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:21:38,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:38" (1/1) ... [2022-12-14 05:21:38,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:21:38,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:21:38,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:21:38,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:21:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 05:21:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 05:21:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:21:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:21:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:21:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 05:21:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:21:38,286 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:21:38,287 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:21:38,393 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:21:38,475 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:21:38,475 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 05:21:38,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:21:38 BoogieIcfgContainer [2022-12-14 05:21:38,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:21:38,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:21:38,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:21:38,483 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:21:38,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:21:37" (1/3) ... [2022-12-14 05:21:38,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d681752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:21:38, skipping insertion in model container [2022-12-14 05:21:38,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:38" (2/3) ... [2022-12-14 05:21:38,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d681752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:21:38, skipping insertion in model container [2022-12-14 05:21:38,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:21:38" (3/3) ... [2022-12-14 05:21:38,485 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_02_bad.i [2022-12-14 05:21:38,501 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:21:38,501 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 05:21:38,538 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:21:38,542 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;@4e046c9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:21:38,542 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 05:21:38,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 9 states have internal predecessors, (10), 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 05:21:38,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 05:21:38,550 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:21:38,551 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 05:21:38,551 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:21:38,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:21:38,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1963300780, now seen corresponding path program 1 times [2022-12-14 05:21:38,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:21:38,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530523012] [2022-12-14 05:21:38,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:21:38,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:21:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:21:38,866 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 05:21:38,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:21:38,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530523012] [2022-12-14 05:21:38,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530523012] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:21:38,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:21:38,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:21:38,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951464566] [2022-12-14 05:21:38,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:21:38,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:21:38,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:21:38,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:21:38,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:21:38,895 INFO L87 Difference]: Start difference. First operand has 13 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 9 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:21:38,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:21:38,924 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-12-14 05:21:38,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:21:38,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2022-12-14 05:21:38,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:21:38,931 INFO L225 Difference]: With dead ends: 19 [2022-12-14 05:21:38,931 INFO L226 Difference]: Without dead ends: 8 [2022-12-14 05:21:38,933 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 05:21:38,935 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 5 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:21:38,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 8 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:21:38,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-12-14 05:21:38,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-12-14 05:21:38,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:21:38,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-12-14 05:21:38,958 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-12-14 05:21:38,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:21:38,958 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-12-14 05:21:38,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:21:38,958 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-12-14 05:21:38,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 05:21:38,959 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:21:38,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:21:38,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:21:38,959 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:21:38,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:21:38,960 INFO L85 PathProgramCache]: Analyzing trace with hash -732781975, now seen corresponding path program 1 times [2022-12-14 05:21:38,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:21:38,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922121338] [2022-12-14 05:21:38,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:21:38,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:21:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:21:38,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:21:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:21:39,025 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 05:21:39,026 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:21:39,027 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 05:21:39,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 05:21:39,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:21:39,031 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 05:21:39,034 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:21:39,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:21:39 BoogieIcfgContainer [2022-12-14 05:21:39,049 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:21:39,049 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:21:39,049 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:21:39,050 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:21:39,050 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:21:38" (3/4) ... [2022-12-14 05:21:39,052 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 05:21:39,052 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:21:39,053 INFO L158 Benchmark]: Toolchain (without parser) took 1928.50ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 77.7MB in the beginning and 53.3MB in the end (delta: 24.5MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2022-12-14 05:21:39,053 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 115.3MB. Free memory was 91.1MB in the beginning and 91.0MB in the end (delta: 118.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:21:39,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 943.95ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 77.4MB in the beginning and 76.5MB in the end (delta: 843.8kB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2022-12-14 05:21:39,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.18ms. Allocated memory is still 138.4MB. Free memory was 76.5MB in the beginning and 73.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 05:21:39,054 INFO L158 Benchmark]: Boogie Preprocessor took 22.11ms. Allocated memory is still 138.4MB. Free memory was 73.0MB in the beginning and 71.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:21:39,055 INFO L158 Benchmark]: RCFGBuilder took 348.45ms. Allocated memory is still 138.4MB. Free memory was 71.6MB in the beginning and 98.4MB in the end (delta: -26.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 05:21:39,055 INFO L158 Benchmark]: TraceAbstraction took 569.15ms. Allocated memory is still 138.4MB. Free memory was 97.3MB in the beginning and 53.3MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-12-14 05:21:39,055 INFO L158 Benchmark]: Witness Printer took 3.09ms. Allocated memory is still 138.4MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:21:39,057 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 115.3MB. Free memory was 91.1MB in the beginning and 91.0MB in the end (delta: 118.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 943.95ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 77.4MB in the beginning and 76.5MB in the end (delta: 843.8kB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.18ms. Allocated memory is still 138.4MB. Free memory was 76.5MB in the beginning and 73.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.11ms. Allocated memory is still 138.4MB. Free memory was 73.0MB in the beginning and 71.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 348.45ms. Allocated memory is still 138.4MB. Free memory was 71.6MB in the beginning and 98.4MB in the end (delta: -26.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 569.15ms. Allocated memory is still 138.4MB. Free memory was 97.3MB in the beginning and 53.3MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 3.09ms. Allocated memory is still 138.4MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [\old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, argv={2147483650:2147483649}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE190_Integer_Overflow__int_rand_add_02_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] data + 1 VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 05:21:39,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/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_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/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_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/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_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/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 3a60c73bd15d5b2296ee06660d2c74536709da078ba2de36a9c4e8aeb3015f63 --- 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 05:21:40,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:21:40,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:21:40,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:21:40,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:21:40,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:21:40,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:21:40,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:21:40,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:21:40,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:21:40,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:21:40,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:21:40,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:21:40,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:21:40,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:21:40,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:21:40,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:21:40,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:21:40,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:21:40,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:21:40,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:21:40,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:21:40,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:21:40,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:21:40,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:21:40,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:21:40,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:21:40,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:21:40,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:21:40,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:21:40,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:21:40,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:21:40,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:21:40,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:21:40,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:21:40,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:21:40,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:21:40,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:21:40,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:21:40,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:21:40,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:21:40,728 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 05:21:40,751 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:21:40,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:21:40,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:21:40,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:21:40,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:21:40,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:21:40,753 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:21:40,753 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:21:40,754 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:21:40,754 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:21:40,754 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:21:40,754 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:21:40,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:21:40,755 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:21:40,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:21:40,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:21:40,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:21:40,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:21:40,756 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 05:21:40,756 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 05:21:40,756 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 05:21:40,756 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 05:21:40,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:21:40,756 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:21:40,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:21:40,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:21:40,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 05:21:40,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:21:40,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:21:40,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:21:40,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:21:40,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:21:40,758 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 05:21:40,758 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 05:21:40,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:21:40,758 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:21:40,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 05:21:40,759 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_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a60c73bd15d5b2296ee06660d2c74536709da078ba2de36a9c4e8aeb3015f63 [2022-12-14 05:21:41,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:21:41,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:21:41,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:21:41,033 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:21:41,033 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:21:41,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_02_bad.i [2022-12-14 05:21:43,606 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:21:43,892 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:21:43,893 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_02_bad.i [2022-12-14 05:21:43,912 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/data/aa32cd701/4a2d160b3eb94093928965f7eac07fbe/FLAGf8d470a72 [2022-12-14 05:21:44,164 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/data/aa32cd701/4a2d160b3eb94093928965f7eac07fbe [2022-12-14 05:21:44,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:21:44,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:21:44,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:21:44,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:21:44,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:21:44,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:21:44" (1/1) ... [2022-12-14 05:21:44,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33950a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:44, skipping insertion in model container [2022-12-14 05:21:44,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:21:44" (1/1) ... [2022-12-14 05:21:44,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:21:44,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:21:44,492 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:21:44,890 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:21:44,895 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:21:44,896 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:21:44,898 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:21:44,899 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:21:44,927 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:21:44,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:21:44,937 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:21:44,951 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:21:44,985 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:21:44,986 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:21:44,987 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:21:44,989 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:21:44,989 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:21:44,995 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:21:44,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:21:45,130 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:21:45,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:45 WrapperNode [2022-12-14 05:21:45,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:21:45,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:21:45,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:21:45,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:21:45,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:45" (1/1) ... [2022-12-14 05:21:45,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:45" (1/1) ... [2022-12-14 05:21:45,173 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-12-14 05:21:45,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:21:45,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:21:45,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:21:45,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:21:45,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:45" (1/1) ... [2022-12-14 05:21:45,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:45" (1/1) ... [2022-12-14 05:21:45,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:45" (1/1) ... [2022-12-14 05:21:45,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:45" (1/1) ... [2022-12-14 05:21:45,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:45" (1/1) ... [2022-12-14 05:21:45,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:45" (1/1) ... [2022-12-14 05:21:45,197 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:45" (1/1) ... [2022-12-14 05:21:45,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:45" (1/1) ... [2022-12-14 05:21:45,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:21:45,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:21:45,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:21:45,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:21:45,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:45" (1/1) ... [2022-12-14 05:21:45,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:21:45,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:21:45,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:21:45,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:21:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 05:21:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 05:21:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 05:21:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:21:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:21:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:21:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 05:21:45,376 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:21:45,378 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:21:45,474 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:21:45,479 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:21:45,480 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 05:21:45,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:21:45 BoogieIcfgContainer [2022-12-14 05:21:45,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:21:45,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:21:45,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:21:45,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:21:45,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:21:44" (1/3) ... [2022-12-14 05:21:45,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb2282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:21:45, skipping insertion in model container [2022-12-14 05:21:45,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:21:45" (2/3) ... [2022-12-14 05:21:45,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb2282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:21:45, skipping insertion in model container [2022-12-14 05:21:45,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:21:45" (3/3) ... [2022-12-14 05:21:45,490 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_02_bad.i [2022-12-14 05:21:45,507 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:21:45,507 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 05:21:45,540 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:21:45,545 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;@4a4f379b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:21:45,545 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 05:21:45,549 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 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 05:21:45,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 05:21:45,556 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:21:45,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:21:45,558 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:21:45,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:21:45,563 INFO L85 PathProgramCache]: Analyzing trace with hash 2051308032, now seen corresponding path program 1 times [2022-12-14 05:21:45,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:21:45,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1869837180] [2022-12-14 05:21:45,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:21:45,574 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 05:21:45,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:21:45,575 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/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 05:21:45,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/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 05:21:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:21:45,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 05:21:45,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:21:45,702 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 05:21:45,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:21:45,703 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:21:45,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1869837180] [2022-12-14 05:21:45,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1869837180] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:21:45,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:21:45,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:21:45,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643107391] [2022-12-14 05:21:45,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:21:45,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 05:21:45,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:21:45,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 05:21:45,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:21:45,732 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 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 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 05:21:45,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:21:45,749 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2022-12-14 05:21:45,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 05:21:45,751 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 10 [2022-12-14 05:21:45,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:21:45,755 INFO L225 Difference]: With dead ends: 36 [2022-12-14 05:21:45,756 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 05:21:45,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:21:45,760 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:21:45,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:21:45,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 05:21:45,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-14 05:21:45,782 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 05:21:45,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-14 05:21:45,784 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 10 [2022-12-14 05:21:45,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:21:45,785 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-14 05:21:45,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 05:21:45,785 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-14 05:21:45,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 05:21:45,785 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:21:45,786 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:21:45,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/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 05:21:45,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/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 05:21:45,987 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:21:45,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:21:45,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1714306296, now seen corresponding path program 1 times [2022-12-14 05:21:45,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:21:45,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1169396226] [2022-12-14 05:21:45,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:21:45,992 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 05:21:45,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:21:45,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/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 05:21:45,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/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 05:21:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:21:46,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:21:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:21:46,242 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 05:21:46,242 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:21:46,243 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 05:21:46,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 05:21:46,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/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 05:21:46,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/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 05:21:46,456 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 05:21:46,467 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:21:46,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:21:46 BoogieIcfgContainer [2022-12-14 05:21:46,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:21:46,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:21:46,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:21:46,534 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:21:46,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:21:45" (3/4) ... [2022-12-14 05:21:46,540 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 05:21:46,611 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 05:21:46,611 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:21:46,612 INFO L158 Benchmark]: Toolchain (without parser) took 2445.32ms. Allocated memory is still 104.9MB. Free memory was 79.3MB in the beginning and 62.2MB in the end (delta: 17.1MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-12-14 05:21:46,612 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 65.0MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:21:46,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 963.75ms. Allocated memory is still 104.9MB. Free memory was 79.0MB in the beginning and 76.1MB in the end (delta: 2.9MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2022-12-14 05:21:46,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.40ms. Allocated memory is still 104.9MB. Free memory was 76.1MB in the beginning and 73.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:21:46,613 INFO L158 Benchmark]: Boogie Preprocessor took 28.73ms. Allocated memory is still 104.9MB. Free memory was 73.1MB in the beginning and 71.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:21:46,614 INFO L158 Benchmark]: RCFGBuilder took 278.29ms. Allocated memory is still 104.9MB. Free memory was 71.0MB in the beginning and 57.8MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 05:21:46,614 INFO L158 Benchmark]: TraceAbstraction took 1048.31ms. Allocated memory is still 104.9MB. Free memory was 57.3MB in the beginning and 64.3MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:21:46,614 INFO L158 Benchmark]: Witness Printer took 77.56ms. Allocated memory is still 104.9MB. Free memory was 64.3MB in the beginning and 62.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:21:46,617 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 65.0MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 963.75ms. Allocated memory is still 104.9MB. Free memory was 79.0MB in the beginning and 76.1MB in the end (delta: 2.9MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.40ms. Allocated memory is still 104.9MB. Free memory was 76.1MB in the beginning and 73.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.73ms. Allocated memory is still 104.9MB. Free memory was 73.1MB in the beginning and 71.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 278.29ms. Allocated memory is still 104.9MB. Free memory was 71.0MB in the beginning and 57.8MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1048.31ms. Allocated memory is still 104.9MB. Free memory was 57.3MB in the beginning and 64.3MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.56ms. Allocated memory is still 104.9MB. Free memory was 64.3MB in the beginning and 62.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE190_Integer_Overflow__int_rand_add_02_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=1, rand()=1073741823, rand()=0, rand()=32768, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] data + 1 VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 41 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 05:21:46,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_145339e6-bff1-4c8e-b41f-4e77ee63ddd0/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)