./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_16_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/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_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/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_a04c5c8e-704d-433e-a1b5-df975c6a5968/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 7cdceb7396c3a89b755421c296b38866f0135a211167f31c96e9daa2edd0a309 --- 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 12:57:09,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:57:09,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:57:09,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:57:09,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:57:09,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:57:09,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:57:09,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:57:09,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:57:09,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:57:09,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:57:09,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:57:09,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:57:09,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:57:09,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:57:09,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:57:09,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:57:09,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:57:09,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:57:09,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:57:09,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:57:09,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:57:09,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:57:09,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:57:09,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:57:09,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:57:09,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:57:09,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:57:09,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:57:09,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:57:09,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:57:09,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:57:09,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:57:09,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:57:09,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:57:09,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:57:09,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:57:09,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:57:09,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:57:09,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:57:09,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:57:09,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 12:57:09,373 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:57:09,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:57:09,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:57:09,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:57:09,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:57:09,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:57:09,375 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:57:09,375 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:57:09,375 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:57:09,375 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:57:09,376 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:57:09,376 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:57:09,376 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:57:09,376 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:57:09,376 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:57:09,376 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:57:09,377 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:57:09,377 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:57:09,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:57:09,378 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:57:09,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:57:09,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:57:09,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:57:09,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:57:09,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:57:09,378 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 12:57:09,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:57:09,379 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:57:09,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:57:09,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:57:09,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:57:09,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:57:09,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:57:09,380 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:57:09,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:57:09,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:57:09,380 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:57:09,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:57:09,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:57:09,381 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:57:09,381 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_a04c5c8e-704d-433e-a1b5-df975c6a5968/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cdceb7396c3a89b755421c296b38866f0135a211167f31c96e9daa2edd0a309 [2022-12-14 12:57:09,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:57:09,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:57:09,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:57:09,560 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:57:09,560 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:57:09,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_16_bad.i [2022-12-14 12:57:12,112 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:57:12,333 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:57:12,333 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_16_bad.i [2022-12-14 12:57:12,350 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/data/8d5b01c4a/4195169282fa499595b1d17562114812/FLAG91fd014cd [2022-12-14 12:57:12,360 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/data/8d5b01c4a/4195169282fa499595b1d17562114812 [2022-12-14 12:57:12,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:57:12,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:57:12,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:57:12,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:57:12,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:57:12,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:57:12" (1/1) ... [2022-12-14 12:57:12,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338e4e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:12, skipping insertion in model container [2022-12-14 12:57:12,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:57:12" (1/1) ... [2022-12-14 12:57:12,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:57:12,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:57:12,692 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:57:13,065 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:57:13,069 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:57:13,071 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:57:13,072 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:57:13,073 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:57:13,435 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:57:13,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:57:13,443 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:57:13,458 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:57:13,500 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:57:13,501 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:57:13,503 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:57:13,505 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:57:13,505 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:57:13,536 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:57:13,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:57:13,798 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:57:13,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:13 WrapperNode [2022-12-14 12:57:13,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:57:13,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:57:13,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:57:13,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:57:13,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:13" (1/1) ... [2022-12-14 12:57:13,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:13" (1/1) ... [2022-12-14 12:57:13,843 INFO L138 Inliner]: procedures = 937, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2022-12-14 12:57:13,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:57:13,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:57:13,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:57:13,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:57:13,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:13" (1/1) ... [2022-12-14 12:57:13,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:13" (1/1) ... [2022-12-14 12:57:13,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:13" (1/1) ... [2022-12-14 12:57:13,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:13" (1/1) ... [2022-12-14 12:57:13,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:13" (1/1) ... [2022-12-14 12:57:13,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:13" (1/1) ... [2022-12-14 12:57:13,860 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:13" (1/1) ... [2022-12-14 12:57:13,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:13" (1/1) ... [2022-12-14 12:57:13,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:57:13,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:57:13,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:57:13,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:57:13,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:13" (1/1) ... [2022-12-14 12:57:13,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:57:13,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:57:13,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:57:13,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:57:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:57:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:57:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:57:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 12:57:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 12:57:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 12:57:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:57:14,031 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:57:14,033 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:57:14,171 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:57:14,248 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:57:14,248 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 12:57:14,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:57:14 BoogieIcfgContainer [2022-12-14 12:57:14,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:57:14,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:57:14,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:57:14,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:57:14,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:57:12" (1/3) ... [2022-12-14 12:57:14,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b58c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:57:14, skipping insertion in model container [2022-12-14 12:57:14,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:13" (2/3) ... [2022-12-14 12:57:14,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b58c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:57:14, skipping insertion in model container [2022-12-14 12:57:14,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:57:14" (3/3) ... [2022-12-14 12:57:14,263 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_16_bad.i [2022-12-14 12:57:14,277 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:57:14,277 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 12:57:14,310 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:57:14,315 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;@42f0ea68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:57:14,315 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 12:57:14,318 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 12:57:14,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 12:57:14,324 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:14,324 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:57:14,324 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:57:14,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:14,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1686943735, now seen corresponding path program 1 times [2022-12-14 12:57:14,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:14,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475100884] [2022-12-14 12:57:14,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:14,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:14,507 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 12:57:14,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:57:14,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475100884] [2022-12-14 12:57:14,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475100884] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:14,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:14,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 12:57:14,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822344059] [2022-12-14 12:57:14,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:14,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 12:57:14,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:57:14,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 12:57:14,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:57:14,536 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 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 12:57:14,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:14,567 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2022-12-14 12:57:14,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 12:57:14,570 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2022-12-14 12:57:14,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:14,576 INFO L225 Difference]: With dead ends: 20 [2022-12-14 12:57:14,577 INFO L226 Difference]: Without dead ends: 9 [2022-12-14 12:57:14,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 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 12:57:14,582 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:57:14,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:57:14,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-12-14 12:57:14,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-14 12:57:14,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:57:14,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-12-14 12:57:14,615 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-12-14 12:57:14,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:14,616 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-12-14 12:57:14,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 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 12:57:14,616 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-12-14 12:57:14,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 12:57:14,616 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:14,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:57:14,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:57:14,617 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:57:14,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:14,618 INFO L85 PathProgramCache]: Analyzing trace with hash 755648306, now seen corresponding path program 1 times [2022-12-14 12:57:14,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:57:14,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074546016] [2022-12-14 12:57:14,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:14,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:57:14,649 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:57:14,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1589189474] [2022-12-14 12:57:14,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:14,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:57:14,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:57:14,651 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:57:14,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:57:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:57:14,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 12:57:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:57:14,776 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 12:57:14,777 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 12:57:14,778 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 12:57:14,780 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 12:57:14,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:57:14,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:57:14,992 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 12:57:15,001 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:57:15,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:57:15 BoogieIcfgContainer [2022-12-14 12:57:15,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:57:15,058 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:57:15,058 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:57:15,059 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:57:15,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:57:14" (3/4) ... [2022-12-14 12:57:15,069 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 12:57:15,069 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:57:15,071 INFO L158 Benchmark]: Toolchain (without parser) took 2706.07ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 84.3MB in the beginning and 86.0MB in the end (delta: -1.7MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-12-14 12:57:15,072 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:57:15,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1433.89ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 84.3MB in the beginning and 79.7MB in the end (delta: 4.5MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2022-12-14 12:57:15,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.83ms. Allocated memory is still 161.5MB. Free memory was 79.7MB in the beginning and 75.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 12:57:15,076 INFO L158 Benchmark]: Boogie Preprocessor took 18.67ms. Allocated memory is still 161.5MB. Free memory was 75.6MB in the beginning and 74.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:57:15,077 INFO L158 Benchmark]: RCFGBuilder took 387.70ms. Allocated memory is still 161.5MB. Free memory was 74.5MB in the beginning and 53.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 12:57:15,078 INFO L158 Benchmark]: TraceAbstraction took 804.07ms. Allocated memory is still 161.5MB. Free memory was 53.5MB in the beginning and 86.0MB in the end (delta: -32.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:57:15,079 INFO L158 Benchmark]: Witness Printer took 11.06ms. Allocated memory is still 161.5MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:57:15,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1433.89ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 84.3MB in the beginning and 79.7MB in the end (delta: 4.5MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.83ms. Allocated memory is still 161.5MB. Free memory was 79.7MB in the beginning and 75.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.67ms. Allocated memory is still 161.5MB. Free memory was 75.6MB in the beginning and 74.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 387.70ms. Allocated memory is still 161.5MB. Free memory was 74.5MB in the beginning and 53.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 804.07ms. Allocated memory is still 161.5MB. Free memory was 53.5MB in the beginning and 86.0MB in the end (delta: -32.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 11.06ms. Allocated memory is still 161.5MB. Free memory is still 86.0MB. 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: 1844]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1838, overapproximation of bitwiseAnd at line 1838. 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); [L1853] 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) [L1853] RET printLine("Calling bad()...") VAL [\old(argc)=13, argc=13, argv={14:12}, argv={14:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1854] CALL CWE190_Integer_Overflow__int_rand_square_16_bad() [L1834] int data; [L1835] data = 0 [L1836] COND TRUE 1 [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1838] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1841] COND TRUE 1 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1844] data * data VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1844]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 8 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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 12:57:15,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/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_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/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_a04c5c8e-704d-433e-a1b5-df975c6a5968/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 7cdceb7396c3a89b755421c296b38866f0135a211167f31c96e9daa2edd0a309 --- 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 12:57:16,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:57:16,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:57:16,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:57:16,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:57:16,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:57:16,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:57:16,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:57:16,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:57:16,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:57:16,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:57:16,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:57:16,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:57:16,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:57:16,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:57:16,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:57:16,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:57:16,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:57:16,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:57:16,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:57:16,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:57:16,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:57:16,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:57:16,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:57:16,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:57:16,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:57:16,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:57:16,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:57:16,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:57:16,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:57:16,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:57:16,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:57:16,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:57:16,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:57:16,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:57:16,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:57:16,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:57:16,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:57:16,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:57:16,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:57:16,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:57:16,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 12:57:16,915 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:57:16,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:57:16,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:57:16,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:57:16,916 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:57:16,917 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:57:16,917 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:57:16,917 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:57:16,917 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:57:16,917 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:57:16,917 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:57:16,918 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:57:16,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:57:16,918 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:57:16,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:57:16,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:57:16,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:57:16,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:57:16,919 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 12:57:16,919 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 12:57:16,919 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 12:57:16,920 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 12:57:16,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:57:16,920 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:57:16,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:57:16,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:57:16,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 12:57:16,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:57:16,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:57:16,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:57:16,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:57:16,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:57:16,921 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 12:57:16,922 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 12:57:16,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:57:16,922 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:57:16,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 12:57:16,922 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_a04c5c8e-704d-433e-a1b5-df975c6a5968/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cdceb7396c3a89b755421c296b38866f0135a211167f31c96e9daa2edd0a309 [2022-12-14 12:57:17,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:57:17,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:57:17,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:57:17,167 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:57:17,167 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:57:17,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_16_bad.i [2022-12-14 12:57:19,803 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:57:20,087 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:57:20,088 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_16_bad.i [2022-12-14 12:57:20,108 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/data/026939990/a71d45a20d09440484bc5515f18bbaac/FLAG4a0ab67b6 [2022-12-14 12:57:20,121 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/data/026939990/a71d45a20d09440484bc5515f18bbaac [2022-12-14 12:57:20,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:57:20,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:57:20,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:57:20,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:57:20,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:57:20,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:57:20" (1/1) ... [2022-12-14 12:57:20,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14096dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:20, skipping insertion in model container [2022-12-14 12:57:20,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:57:20" (1/1) ... [2022-12-14 12:57:20,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:57:20,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:57:20,478 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:57:20,884 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:57:20,889 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:57:20,890 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:57:20,892 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:57:20,893 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:57:21,216 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:57:21,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:57:21,226 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:57:21,238 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 12:57:21,268 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 12:57:21,269 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:57:21,270 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 12:57:21,271 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:57:21,272 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 12:57:21,280 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 12:57:21,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:57:21,506 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:57:21,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:21 WrapperNode [2022-12-14 12:57:21,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:57:21,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:57:21,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:57:21,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:57:21,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:21" (1/1) ... [2022-12-14 12:57:21,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:21" (1/1) ... [2022-12-14 12:57:21,555 INFO L138 Inliner]: procedures = 942, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2022-12-14 12:57:21,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:57:21,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:57:21,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:57:21,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:57:21,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:21" (1/1) ... [2022-12-14 12:57:21,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:21" (1/1) ... [2022-12-14 12:57:21,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:21" (1/1) ... [2022-12-14 12:57:21,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:21" (1/1) ... [2022-12-14 12:57:21,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:21" (1/1) ... [2022-12-14 12:57:21,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:21" (1/1) ... [2022-12-14 12:57:21,579 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:21" (1/1) ... [2022-12-14 12:57:21,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:21" (1/1) ... [2022-12-14 12:57:21,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:57:21,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:57:21,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:57:21,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:57:21,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:21" (1/1) ... [2022-12-14 12:57:21,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:57:21,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:57:21,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:57:21,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:57:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:57:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:57:21,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:57:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 12:57:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 12:57:21,642 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 12:57:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 12:57:21,772 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:57:21,774 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:57:22,174 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:57:22,178 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:57:22,178 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 12:57:22,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:57:22 BoogieIcfgContainer [2022-12-14 12:57:22,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:57:22,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:57:22,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:57:22,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:57:22,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:57:20" (1/3) ... [2022-12-14 12:57:22,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a0fbfe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:57:22, skipping insertion in model container [2022-12-14 12:57:22,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:57:21" (2/3) ... [2022-12-14 12:57:22,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a0fbfe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:57:22, skipping insertion in model container [2022-12-14 12:57:22,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:57:22" (3/3) ... [2022-12-14 12:57:22,186 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_16_bad.i [2022-12-14 12:57:22,199 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:57:22,199 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 12:57:22,231 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:57:22,235 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;@1b9120d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:57:22,236 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 12:57:22,239 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 12:57:22,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 12:57:22,244 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:22,245 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:57:22,245 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:57:22,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:22,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1037499696, now seen corresponding path program 1 times [2022-12-14 12:57:22,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:57:22,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043778133] [2022-12-14 12:57:22,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:22,259 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 12:57:22,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:57:22,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/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 12:57:22,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/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 12:57:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:57:22,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 12:57:22,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:57:22,397 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 12:57:22,397 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:57:22,397 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 12:57:22,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1043778133] [2022-12-14 12:57:22,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1043778133] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:57:22,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:57:22,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:57:22,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767292234] [2022-12-14 12:57:22,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:57:22,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 12:57:22,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 12:57:22,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 12:57:22,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:57:22,424 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:57:22,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:57:22,437 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2022-12-14 12:57:22,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 12:57:22,438 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-14 12:57:22,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:57:22,442 INFO L225 Difference]: With dead ends: 39 [2022-12-14 12:57:22,442 INFO L226 Difference]: Without dead ends: 16 [2022-12-14 12:57:22,444 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 12:57:22,446 INFO L413 NwaCegarLoop]: 25 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, 25 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 12:57:22,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:57:22,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-12-14 12:57:22,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-12-14 12:57:22,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 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 12:57:22,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-12-14 12:57:22,469 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2022-12-14 12:57:22,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:57:22,469 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-12-14 12:57:22,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 12:57:22,470 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-12-14 12:57:22,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 12:57:22,470 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:57:22,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:57:22,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/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 12:57:22,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/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 12:57:22,672 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 12:57:22,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:57:22,675 INFO L85 PathProgramCache]: Analyzing trace with hash -603405290, now seen corresponding path program 1 times [2022-12-14 12:57:22,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:57:22,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [86428446] [2022-12-14 12:57:22,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:57:22,678 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 12:57:22,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:57:22,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/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 12:57:22,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/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 12:57:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:57:22,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 12:57:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:57:22,860 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 12:57:22,860 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 12:57:22,862 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 12:57:22,863 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 12:57:22,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/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 12:57:23,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/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 12:57:23,075 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 12:57:23,086 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:57:23,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:57:23 BoogieIcfgContainer [2022-12-14 12:57:23,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:57:23,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:57:23,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:57:23,122 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:57:23,123 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:57:22" (3/4) ... [2022-12-14 12:57:23,124 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 12:57:23,151 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 12:57:23,151 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:57:23,151 INFO L158 Benchmark]: Toolchain (without parser) took 3027.56ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 60.0MB in the beginning and 67.7MB in the end (delta: -7.8MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-12-14 12:57:23,152 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 50.3MB. Free memory was 28.8MB in the beginning and 28.8MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:57:23,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1382.16ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 59.8MB in the beginning and 36.3MB in the end (delta: 23.4MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2022-12-14 12:57:23,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.79ms. Allocated memory is still 104.9MB. Free memory was 36.3MB in the beginning and 73.1MB in the end (delta: -36.8MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2022-12-14 12:57:23,153 INFO L158 Benchmark]: Boogie Preprocessor took 28.63ms. Allocated memory is still 104.9MB. Free memory was 73.1MB in the beginning and 71.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:57:23,153 INFO L158 Benchmark]: RCFGBuilder took 594.78ms. Allocated memory is still 104.9MB. Free memory was 71.0MB in the beginning and 57.6MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 12:57:23,153 INFO L158 Benchmark]: TraceAbstraction took 940.34ms. Allocated memory is still 104.9MB. Free memory was 56.4MB in the beginning and 69.9MB in the end (delta: -13.5MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-12-14 12:57:23,154 INFO L158 Benchmark]: Witness Printer took 28.72ms. Allocated memory is still 104.9MB. Free memory was 69.9MB in the beginning and 67.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:57:23,156 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 50.3MB. Free memory was 28.8MB in the beginning and 28.8MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1382.16ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 59.8MB in the beginning and 36.3MB in the end (delta: 23.4MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.79ms. Allocated memory is still 104.9MB. Free memory was 36.3MB in the beginning and 73.1MB in the end (delta: -36.8MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.63ms. Allocated memory is still 104.9MB. Free memory was 73.1MB in the beginning and 71.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 594.78ms. Allocated memory is still 104.9MB. Free memory was 71.0MB in the beginning and 57.6MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 940.34ms. Allocated memory is still 104.9MB. Free memory was 56.4MB in the beginning and 69.9MB in the end (delta: -13.5MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * Witness Printer took 28.72ms. Allocated memory is still 104.9MB. Free memory was 69.9MB in the beginning and 67.7MB in the end (delta: 2.2MB). 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: 1844]: 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] [L1853] 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) [L1853] 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] [L1854] CALL CWE190_Integer_Overflow__int_rand_square_16_bad() [L1834] int data; [L1835] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1836] COND TRUE 1 [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1838] 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()=65536, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1838] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1841] COND TRUE 1 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1844] data * data VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1844]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 25 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, 25 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 12:57:23,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04c5c8e-704d-433e-a1b5-df975c6a5968/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)