./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_01_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/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_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/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_f33e9290-58a6-4973-9576-9ed046337232/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 0b87a1144954735e8d5f7fea36523e980e45a8fd7814aeaa2caef4b3ccfd9b2b --- 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 08:03:53,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:03:53,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:03:53,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:03:53,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:03:53,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:03:53,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:03:53,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:03:53,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:03:53,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:03:53,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:03:53,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:03:53,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:03:53,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:03:53,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:03:53,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:03:53,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:03:53,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:03:53,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:03:53,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:03:53,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:03:53,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:03:53,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:03:53,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:03:53,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:03:53,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:03:53,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:03:53,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:03:53,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:03:53,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:03:53,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:03:53,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:03:53,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:03:53,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:03:53,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:03:53,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:03:53,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:03:53,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:03:53,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:03:53,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:03:53,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:03:53,521 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 08:03:53,542 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:03:53,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:03:53,543 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:03:53,543 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:03:53,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:03:53,544 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:03:53,544 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:03:53,544 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:03:53,545 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:03:53,545 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:03:53,545 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:03:53,545 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:03:53,545 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:03:53,545 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:03:53,546 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:03:53,546 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:03:53,546 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:03:53,546 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:03:53,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:03:53,547 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:03:53,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:03:53,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:03:53,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:03:53,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:03:53,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:03:53,548 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 08:03:53,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:03:53,549 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:03:53,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:03:53,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:03:53,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:03:53,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:03:53,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:03:53,550 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:03:53,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:03:53,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:03:53,550 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:03:53,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:03:53,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:03:53,551 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:03:53,551 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_f33e9290-58a6-4973-9576-9ed046337232/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b87a1144954735e8d5f7fea36523e980e45a8fd7814aeaa2caef4b3ccfd9b2b [2022-12-14 08:03:53,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:03:53,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:03:53,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:03:53,746 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:03:53,747 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:03:53,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_01_bad.i [2022-12-14 08:03:56,280 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:03:56,520 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:03:56,521 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_01_bad.i [2022-12-14 08:03:56,534 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/data/951a31e59/06d4f381593944bfab231fce25e75eda/FLAG8a37aa1f5 [2022-12-14 08:03:56,858 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/data/951a31e59/06d4f381593944bfab231fce25e75eda [2022-12-14 08:03:56,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:03:56,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:03:56,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:03:56,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:03:56,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:03:56,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:03:56" (1/1) ... [2022-12-14 08:03:56,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb60ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:56, skipping insertion in model container [2022-12-14 08:03:56,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:03:56" (1/1) ... [2022-12-14 08:03:56,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:03:56,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:03:57,201 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:03:57,535 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:03:57,539 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:03:57,540 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:03:57,542 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:03:57,543 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:03:57,561 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:03:57,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:03:57,569 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:03:57,582 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:03:57,613 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:03:57,614 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:03:57,615 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:03:57,616 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:03:57,617 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:03:57,620 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:03:57,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:03:57,724 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:03:57,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:57 WrapperNode [2022-12-14 08:03:57,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:03:57,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:03:57,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:03:57,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:03:57,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:57" (1/1) ... [2022-12-14 08:03:57,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:57" (1/1) ... [2022-12-14 08:03:57,763 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2022-12-14 08:03:57,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:03:57,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:03:57,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:03:57,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:03:57,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:57" (1/1) ... [2022-12-14 08:03:57,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:57" (1/1) ... [2022-12-14 08:03:57,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:57" (1/1) ... [2022-12-14 08:03:57,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:57" (1/1) ... [2022-12-14 08:03:57,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:57" (1/1) ... [2022-12-14 08:03:57,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:57" (1/1) ... [2022-12-14 08:03:57,779 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:57" (1/1) ... [2022-12-14 08:03:57,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:57" (1/1) ... [2022-12-14 08:03:57,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:03:57,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:03:57,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:03:57,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:03:57,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:57" (1/1) ... [2022-12-14 08:03:57,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:03:57,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:03:57,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:03:57,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:03:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 08:03:57,842 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 08:03:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:03:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:03:57,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:03:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 08:03:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:03:57,939 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:03:57,940 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:03:58,052 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:03:58,110 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:03:58,110 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 08:03:58,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:03:58 BoogieIcfgContainer [2022-12-14 08:03:58,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:03:58,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:03:58,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:03:58,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:03:58,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:03:56" (1/3) ... [2022-12-14 08:03:58,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5e1377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:03:58, skipping insertion in model container [2022-12-14 08:03:58,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:03:57" (2/3) ... [2022-12-14 08:03:58,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5e1377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:03:58, skipping insertion in model container [2022-12-14 08:03:58,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:03:58" (3/3) ... [2022-12-14 08:03:58,118 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_01_bad.i [2022-12-14 08:03:58,135 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:03:58,135 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 08:03:58,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:03:58,174 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;@3f5137b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:03:58,174 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 08:03:58,177 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 08:03:58,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 08:03:58,182 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:03:58,183 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 08:03:58,183 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 08:03:58,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:03:58,187 INFO L85 PathProgramCache]: Analyzing trace with hash 2064490869, now seen corresponding path program 1 times [2022-12-14 08:03:58,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:03:58,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931892411] [2022-12-14 08:03:58,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:03:58,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:03:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:03:58,448 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 08:03:58,449 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:03:58,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931892411] [2022-12-14 08:03:58,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931892411] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:03:58,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:03:58,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:03:58,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877418783] [2022-12-14 08:03:58,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:03:58,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:03:58,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:03:58,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:03:58,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:03:58,478 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:03:58,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:03:58,509 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-12-14 08:03:58,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:03:58,511 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 08:03:58,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:03:58,515 INFO L225 Difference]: With dead ends: 12 [2022-12-14 08:03:58,515 INFO L226 Difference]: Without dead ends: 8 [2022-12-14 08:03:58,517 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 08:03:58,520 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:03:58,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 7 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:03:58,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-12-14 08:03:58,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-12-14 08:03:58,543 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 08:03:58,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-12-14 08:03:58,544 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-12-14 08:03:58,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:03:58,544 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-12-14 08:03:58,544 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 08:03:58,544 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-12-14 08:03:58,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 08:03:58,545 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:03:58,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:03:58,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:03:58,545 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 08:03:58,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:03:58,546 INFO L85 PathProgramCache]: Analyzing trace with hash -425292448, now seen corresponding path program 1 times [2022-12-14 08:03:58,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:03:58,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588772403] [2022-12-14 08:03:58,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:03:58,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:03:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:03:58,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:03:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:03:58,619 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 08:03:58,619 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:03:58,621 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 08:03:58,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 08:03:58,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:03:58,625 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 08:03:58,628 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:03:58,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:03:58 BoogieIcfgContainer [2022-12-14 08:03:58,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:03:58,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:03:58,644 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:03:58,644 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:03:58,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:03:58" (3/4) ... [2022-12-14 08:03:58,646 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 08:03:58,646 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:03:58,647 INFO L158 Benchmark]: Toolchain (without parser) took 1784.92ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 73.9MB in the beginning and 78.7MB in the end (delta: -4.8MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2022-12-14 08:03:58,647 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:03:58,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 861.44ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 73.9MB in the beginning and 98.3MB in the end (delta: -24.4MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2022-12-14 08:03:58,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.50ms. Allocated memory is still 157.3MB. Free memory was 97.6MB in the beginning and 94.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:03:58,648 INFO L158 Benchmark]: Boogie Preprocessor took 17.92ms. Allocated memory is still 157.3MB. Free memory was 94.8MB in the beginning and 93.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:03:58,649 INFO L158 Benchmark]: RCFGBuilder took 329.35ms. Allocated memory is still 157.3MB. Free memory was 93.4MB in the beginning and 75.3MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 08:03:58,649 INFO L158 Benchmark]: TraceAbstraction took 529.73ms. Allocated memory is still 157.3MB. Free memory was 74.5MB in the beginning and 78.7MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:03:58,649 INFO L158 Benchmark]: Witness Printer took 3.04ms. Allocated memory is still 157.3MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:03:58,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 861.44ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 73.9MB in the beginning and 98.3MB in the end (delta: -24.4MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.50ms. Allocated memory is still 157.3MB. Free memory was 97.6MB in the beginning and 94.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.92ms. Allocated memory is still 157.3MB. Free memory was 94.8MB in the beginning and 93.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 329.35ms. Allocated memory is still 157.3MB. Free memory was 93.4MB in the beginning and 75.3MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 529.73ms. Allocated memory is still 157.3MB. Free memory was 74.5MB in the beginning and 78.7MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.04ms. Allocated memory is still 157.3MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1552, overapproximation of bitwiseAnd at line 1552. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1561] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, argv={2147483650:2147483649}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_rand_add_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s 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 08:03:58,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/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_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/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_f33e9290-58a6-4973-9576-9ed046337232/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 0b87a1144954735e8d5f7fea36523e980e45a8fd7814aeaa2caef4b3ccfd9b2b --- 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 08:04:00,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:04:00,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:04:00,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:04:00,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:04:00,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:04:00,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:04:00,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:04:00,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:04:00,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:04:00,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:04:00,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:04:00,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:04:00,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:04:00,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:04:00,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:04:00,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:04:00,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:04:00,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:04:00,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:04:00,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:04:00,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:04:00,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:04:00,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:04:00,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:04:00,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:04:00,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:04:00,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:04:00,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:04:00,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:04:00,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:04:00,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:04:00,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:04:00,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:04:00,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:04:00,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:04:00,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:04:00,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:04:00,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:04:00,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:04:00,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:04:00,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 08:04:00,282 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:04:00,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:04:00,283 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:04:00,283 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:04:00,284 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:04:00,284 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:04:00,284 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:04:00,284 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:04:00,284 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:04:00,284 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:04:00,284 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:04:00,285 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:04:00,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:04:00,286 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:04:00,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:04:00,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:04:00,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:04:00,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:04:00,286 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 08:04:00,286 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 08:04:00,286 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 08:04:00,286 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 08:04:00,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:04:00,287 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:04:00,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:04:00,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:04:00,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 08:04:00,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:04:00,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:04:00,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:04:00,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:04:00,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:04:00,288 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 08:04:00,288 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 08:04:00,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:04:00,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:04:00,289 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 08:04:00,289 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_f33e9290-58a6-4973-9576-9ed046337232/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b87a1144954735e8d5f7fea36523e980e45a8fd7814aeaa2caef4b3ccfd9b2b [2022-12-14 08:04:00,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:04:00,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:04:00,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:04:00,516 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:04:00,517 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:04:00,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_01_bad.i [2022-12-14 08:04:03,052 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:04:03,279 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:04:03,279 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_01_bad.i [2022-12-14 08:04:03,293 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/data/064ae34f6/1fd3d0ca50f64346b18682002c918867/FLAG9ebf182e3 [2022-12-14 08:04:03,303 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/data/064ae34f6/1fd3d0ca50f64346b18682002c918867 [2022-12-14 08:04:03,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:04:03,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:04:03,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:04:03,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:04:03,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:04:03,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:04:03" (1/1) ... [2022-12-14 08:04:03,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5205d475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:03, skipping insertion in model container [2022-12-14 08:04:03,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:04:03" (1/1) ... [2022-12-14 08:04:03,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:04:03,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:04:03,599 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:04:03,921 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:04:03,924 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:04:03,925 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:04:03,927 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:04:03,927 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:04:03,943 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:04:03,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:04:03,954 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:04:03,967 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:04:04,000 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 08:04:04,001 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:04:04,002 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 08:04:04,003 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:04:04,003 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 08:04:04,007 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 08:04:04,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:04:04,106 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:04:04,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:04 WrapperNode [2022-12-14 08:04:04,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:04:04,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:04:04,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:04:04,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:04:04,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:04" (1/1) ... [2022-12-14 08:04:04,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:04" (1/1) ... [2022-12-14 08:04:04,143 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2022-12-14 08:04:04,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:04:04,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:04:04,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:04:04,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:04:04,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:04" (1/1) ... [2022-12-14 08:04:04,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:04" (1/1) ... [2022-12-14 08:04:04,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:04" (1/1) ... [2022-12-14 08:04:04,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:04" (1/1) ... [2022-12-14 08:04:04,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:04" (1/1) ... [2022-12-14 08:04:04,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:04" (1/1) ... [2022-12-14 08:04:04,163 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:04" (1/1) ... [2022-12-14 08:04:04,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:04" (1/1) ... [2022-12-14 08:04:04,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:04:04,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:04:04,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:04:04,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:04:04,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:04" (1/1) ... [2022-12-14 08:04:04,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:04:04,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:04:04,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:04:04,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:04:04,221 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 08:04:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 08:04:04,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 08:04:04,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:04:04,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:04:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:04:04,221 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 08:04:04,339 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:04:04,341 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:04:04,452 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:04:04,456 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:04:04,456 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 08:04:04,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:04:04 BoogieIcfgContainer [2022-12-14 08:04:04,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:04:04,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:04:04,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:04:04,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:04:04,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:04:03" (1/3) ... [2022-12-14 08:04:04,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6422105e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:04:04, skipping insertion in model container [2022-12-14 08:04:04,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:04:04" (2/3) ... [2022-12-14 08:04:04,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6422105e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:04:04, skipping insertion in model container [2022-12-14 08:04:04,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:04:04" (3/3) ... [2022-12-14 08:04:04,464 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_01_bad.i [2022-12-14 08:04:04,478 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:04:04,478 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 08:04:04,511 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:04:04,516 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;@204ebbea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:04:04,516 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 08:04:04,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 08:04:04,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 08:04:04,524 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:04:04,525 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:04:04,525 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 08:04:04,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:04:04,529 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-12-14 08:04:04,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:04:04,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [282598260] [2022-12-14 08:04:04,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:04:04,541 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 08:04:04,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:04:04,542 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/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 08:04:04,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/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 08:04:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:04:04,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 08:04:04,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:04:04,680 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 08:04:04,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:04:04,681 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:04:04,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [282598260] [2022-12-14 08:04:04,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [282598260] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:04:04,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:04:04,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:04:04,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392009109] [2022-12-14 08:04:04,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:04:04,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 08:04:04,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:04:04,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 08:04:04,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 08:04:04,714 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:04:04,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:04:04,726 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-12-14 08:04:04,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 08:04:04,728 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-14 08:04:04,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:04:04,732 INFO L225 Difference]: With dead ends: 21 [2022-12-14 08:04:04,732 INFO L226 Difference]: Without dead ends: 13 [2022-12-14 08:04:04,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 08:04:04,737 INFO L413 NwaCegarLoop]: 22 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, 22 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 08:04:04,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:04:04,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-14 08:04:04,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-14 08:04:04,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:04:04,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-14 08:04:04,764 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-14 08:04:04,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:04:04,765 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-14 08:04:04,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 08:04:04,765 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-14 08:04:04,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 08:04:04,766 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:04:04,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:04:04,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/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 08:04:04,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/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 08:04:04,968 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 08:04:04,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:04:04,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1595656915, now seen corresponding path program 1 times [2022-12-14 08:04:04,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:04:04,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [439243706] [2022-12-14 08:04:04,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:04:04,973 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 08:04:04,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:04:04,976 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/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 08:04:04,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/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 08:04:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:04:05,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:04:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:04:05,193 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 08:04:05,193 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:04:05,194 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 08:04:05,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 08:04:05,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/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 08:04:05,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/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 08:04:05,409 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 08:04:05,423 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:04:05,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:04:05 BoogieIcfgContainer [2022-12-14 08:04:05,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:04:05,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:04:05,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:04:05,492 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:04:05,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:04:04" (3/4) ... [2022-12-14 08:04:05,495 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 08:04:05,530 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 08:04:05,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:04:05,530 INFO L158 Benchmark]: Toolchain (without parser) took 2223.83ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 58.2MB in the beginning and 54.4MB in the end (delta: 3.8MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-12-14 08:04:05,531 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:04:05,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 799.34ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 58.0MB in the beginning and 76.3MB in the end (delta: -18.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2022-12-14 08:04:05,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.86ms. Allocated memory is still 102.8MB. Free memory was 75.7MB in the beginning and 73.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:04:05,531 INFO L158 Benchmark]: Boogie Preprocessor took 22.23ms. Allocated memory is still 102.8MB. 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 08:04:05,532 INFO L158 Benchmark]: RCFGBuilder took 291.16ms. Allocated memory is still 102.8MB. Free memory was 71.0MB in the beginning and 57.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 08:04:05,532 INFO L158 Benchmark]: TraceAbstraction took 1031.39ms. Allocated memory is still 102.8MB. Free memory was 57.4MB in the beginning and 56.5MB in the end (delta: 905.6kB). Peak memory consumption was 108.3kB. Max. memory is 16.1GB. [2022-12-14 08:04:05,532 INFO L158 Benchmark]: Witness Printer took 37.80ms. Allocated memory is still 102.8MB. Free memory was 56.5MB in the beginning and 54.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:04:05,534 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 58.7MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 799.34ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 58.0MB in the beginning and 76.3MB in the end (delta: -18.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.86ms. Allocated memory is still 102.8MB. Free memory was 75.7MB in the beginning and 73.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.23ms. Allocated memory is still 102.8MB. 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 291.16ms. Allocated memory is still 102.8MB. Free memory was 71.0MB in the beginning and 57.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1031.39ms. Allocated memory is still 102.8MB. Free memory was 57.4MB in the beginning and 56.5MB in the end (delta: 905.6kB). Peak memory consumption was 108.3kB. Max. memory is 16.1GB. * Witness Printer took 37.80ms. Allocated memory is still 102.8MB. Free memory was 56.5MB in the beginning and 54.4MB 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: 1554]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_rand_add_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=0, rand()=2, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] 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: 1554]: 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, 21 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, 22 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, 22 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 51 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 08:04:05,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f33e9290-58a6-4973-9576-9ed046337232/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)