./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 21:50:27,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 21:50:27,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 21:50:27,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 21:50:27,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 21:50:27,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 21:50:27,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 21:50:27,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 21:50:27,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 21:50:27,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 21:50:27,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 21:50:27,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 21:50:27,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 21:50:27,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 21:50:27,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 21:50:27,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 21:50:27,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 21:50:27,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 21:50:27,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 21:50:27,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 21:50:27,551 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 21:50:27,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 21:50:27,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 21:50:27,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 21:50:27,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 21:50:27,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 21:50:27,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 21:50:27,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 21:50:27,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 21:50:27,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 21:50:27,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 21:50:27,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 21:50:27,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 21:50:27,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 21:50:27,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 21:50:27,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 21:50:27,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 21:50:27,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 21:50:27,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 21:50:27,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 21:50:27,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 21:50:27,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 21:50:27,569 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 21:50:27,584 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 21:50:27,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 21:50:27,585 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 21:50:27,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 21:50:27,586 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 21:50:27,586 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 21:50:27,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 21:50:27,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 21:50:27,587 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 21:50:27,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 21:50:27,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 21:50:27,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 21:50:27,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 21:50:27,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 21:50:27,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 21:50:27,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 21:50:27,589 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 21:50:27,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 21:50:27,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 21:50:27,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 21:50:27,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 21:50:27,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 21:50:27,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 21:50:27,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 21:50:27,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 21:50:27,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 21:50:27,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 21:50:27,591 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 21:50:27,592 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 21:50:27,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 21:50:27,592 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2022-07-19 21:50:27,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 21:50:27,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 21:50:27,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 21:50:27,799 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 21:50:27,799 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 21:50:27,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-07-19 21:50:27,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c01034664/8daff73dc01d4bdbbf8a582f23d52b7d/FLAGf4bf269d4 [2022-07-19 21:50:28,390 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 21:50:28,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-07-19 21:50:28,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c01034664/8daff73dc01d4bdbbf8a582f23d52b7d/FLAGf4bf269d4 [2022-07-19 21:50:28,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c01034664/8daff73dc01d4bdbbf8a582f23d52b7d [2022-07-19 21:50:28,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 21:50:28,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 21:50:28,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 21:50:28,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 21:50:28,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 21:50:28,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:50:28" (1/1) ... [2022-07-19 21:50:28,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700a6329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:28, skipping insertion in model container [2022-07-19 21:50:28,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:50:28" (1/1) ... [2022-07-19 21:50:28,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 21:50:28,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 21:50:28,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-07-19 21:50:28,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-07-19 21:50:29,254 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-19 21:50:29,308 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,308 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,308 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,309 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,310 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,316 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,317 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,317 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,318 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,319 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,319 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,320 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,320 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,511 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-19 21:50:29,513 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-19 21:50:29,513 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-19 21:50:29,517 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-19 21:50:29,518 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-19 21:50:29,519 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-19 21:50:29,521 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-19 21:50:29,522 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-19 21:50:29,523 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-19 21:50:29,524 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-19 21:50:29,596 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,600 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 21:50:29,617 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 21:50:29,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-07-19 21:50:29,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-07-19 21:50:29,667 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-19 21:50:29,695 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,695 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,696 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,696 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,696 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,700 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,700 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,701 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,701 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,702 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,702 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,703 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,703 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,737 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-19 21:50:29,739 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-19 21:50:29,739 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-19 21:50:29,740 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-19 21:50:29,740 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-19 21:50:29,741 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-19 21:50:29,741 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-19 21:50:29,741 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-19 21:50:29,742 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-19 21:50:29,742 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-19 21:50:29,769 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,777 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:50:29,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 21:50:29,927 INFO L208 MainTranslator]: Completed translation [2022-07-19 21:50:29,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:29 WrapperNode [2022-07-19 21:50:29,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 21:50:29,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 21:50:29,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 21:50:29,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 21:50:29,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:29" (1/1) ... [2022-07-19 21:50:29,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:29" (1/1) ... [2022-07-19 21:50:30,041 INFO L137 Inliner]: procedures = 681, calls = 1246, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 158 [2022-07-19 21:50:30,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 21:50:30,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 21:50:30,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 21:50:30,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 21:50:30,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:29" (1/1) ... [2022-07-19 21:50:30,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:29" (1/1) ... [2022-07-19 21:50:30,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:29" (1/1) ... [2022-07-19 21:50:30,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:29" (1/1) ... [2022-07-19 21:50:30,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:29" (1/1) ... [2022-07-19 21:50:30,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:29" (1/1) ... [2022-07-19 21:50:30,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:29" (1/1) ... [2022-07-19 21:50:30,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 21:50:30,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 21:50:30,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 21:50:30,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 21:50:30,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:29" (1/1) ... [2022-07-19 21:50:30,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 21:50:30,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 21:50:30,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 21:50:30,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 21:50:30,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 21:50:30,182 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-07-19 21:50:30,183 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-07-19 21:50:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 21:50:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-07-19 21:50:30,184 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-07-19 21:50:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-19 21:50:30,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-19 21:50:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 21:50:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 21:50:30,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 21:50:30,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 21:50:30,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 21:50:30,186 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-19 21:50:30,186 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-19 21:50:30,186 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-07-19 21:50:30,186 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-07-19 21:50:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-07-19 21:50:30,187 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-07-19 21:50:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 21:50:30,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 21:50:30,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 21:50:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 21:50:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 21:50:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-07-19 21:50:30,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-07-19 21:50:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-07-19 21:50:30,189 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-07-19 21:50:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 21:50:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 21:50:30,329 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 21:50:30,330 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 21:50:30,617 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 21:50:30,622 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 21:50:30,622 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 21:50:30,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:50:30 BoogieIcfgContainer [2022-07-19 21:50:30,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 21:50:30,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 21:50:30,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 21:50:30,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 21:50:30,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:50:28" (1/3) ... [2022-07-19 21:50:30,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb27272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:50:30, skipping insertion in model container [2022-07-19 21:50:30,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:50:29" (2/3) ... [2022-07-19 21:50:30,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb27272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:50:30, skipping insertion in model container [2022-07-19 21:50:30,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:50:30" (3/3) ... [2022-07-19 21:50:30,636 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2022-07-19 21:50:30,645 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 21:50:30,646 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 21:50:30,703 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 21:50:30,707 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=PETRI_NET, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2ee8a610, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3f7d78ff [2022-07-19 21:50:30,708 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 21:50:30,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 64 states have (on average 1.171875) internal successors, (75), 65 states have internal predecessors, (75), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-07-19 21:50:30,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-19 21:50:30,720 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 21:50:30,721 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 21:50:30,722 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 21:50:30,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:50:30,728 INFO L85 PathProgramCache]: Analyzing trace with hash -946297550, now seen corresponding path program 1 times [2022-07-19 21:50:30,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:50:30,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454654148] [2022-07-19 21:50:30,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:50:30,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:50:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:31,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 21:50:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:31,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 21:50:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:31,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 21:50:31,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:50:31,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454654148] [2022-07-19 21:50:31,102 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-07-19 21:50:31,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110845892] [2022-07-19 21:50:31,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:50:31,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:50:31,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 21:50:31,144 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 21:50:31,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 21:50:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:31,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-19 21:50:31,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 21:50:31,388 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-07-19 21:50:31,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 21:50:31,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110845892] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:50:31,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:50:31,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 21:50:31,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057838994] [2022-07-19 21:50:31,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:50:31,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 21:50:31,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:50:31,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 21:50:31,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 21:50:31,443 INFO L87 Difference]: Start difference. First operand has 105 states, 64 states have (on average 1.171875) internal successors, (75), 65 states have internal predecessors, (75), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 21:50:31,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 21:50:31,465 INFO L93 Difference]: Finished difference Result 207 states and 288 transitions. [2022-07-19 21:50:31,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 21:50:31,467 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 89 [2022-07-19 21:50:31,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 21:50:31,473 INFO L225 Difference]: With dead ends: 207 [2022-07-19 21:50:31,473 INFO L226 Difference]: Without dead ends: 97 [2022-07-19 21:50:31,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 21:50:31,478 INFO L413 NwaCegarLoop]: 133 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, 133 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 [2022-07-19 21:50:31,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 21:50:31,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-07-19 21:50:31,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-07-19 21:50:31,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 58 states have (on average 1.1379310344827587) internal successors, (66), 59 states have internal predecessors, (66), 30 states have call successors, (30), 9 states have call predecessors, (30), 8 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-07-19 21:50:31,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 124 transitions. [2022-07-19 21:50:31,508 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 124 transitions. Word has length 89 [2022-07-19 21:50:31,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 21:50:31,509 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 124 transitions. [2022-07-19 21:50:31,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 21:50:31,509 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2022-07-19 21:50:31,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-19 21:50:31,511 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 21:50:31,512 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 21:50:31,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 21:50:31,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-07-19 21:50:31,732 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 21:50:31,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:50:31,732 INFO L85 PathProgramCache]: Analyzing trace with hash -2112535568, now seen corresponding path program 1 times [2022-07-19 21:50:31,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:50:31,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608807608] [2022-07-19 21:50:31,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:50:31,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:50:31,771 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 21:50:31,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [678031099] [2022-07-19 21:50:31,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:50:31,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:50:31,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 21:50:31,785 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 21:50:31,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 21:50:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:32,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-19 21:50:32,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 21:50:32,088 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-19 21:50:32,089 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 21:50:32,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:50:32,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608807608] [2022-07-19 21:50:32,089 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-19 21:50:32,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678031099] [2022-07-19 21:50:32,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678031099] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:50:32,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:50:32,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 21:50:32,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528143880] [2022-07-19 21:50:32,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:50:32,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 21:50:32,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:50:32,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 21:50:32,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 21:50:32,092 INFO L87 Difference]: Start difference. First operand 97 states and 124 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-19 21:50:32,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 21:50:32,300 INFO L93 Difference]: Finished difference Result 166 states and 207 transitions. [2022-07-19 21:50:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 21:50:32,301 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 89 [2022-07-19 21:50:32,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 21:50:32,302 INFO L225 Difference]: With dead ends: 166 [2022-07-19 21:50:32,302 INFO L226 Difference]: Without dead ends: 97 [2022-07-19 21:50:32,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-07-19 21:50:32,304 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 143 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 21:50:32,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 352 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 21:50:32,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-07-19 21:50:32,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-07-19 21:50:32,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 58 states have (on average 1.1206896551724137) internal successors, (65), 59 states have internal predecessors, (65), 30 states have call successors, (30), 9 states have call predecessors, (30), 8 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-07-19 21:50:32,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 123 transitions. [2022-07-19 21:50:32,343 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 123 transitions. Word has length 89 [2022-07-19 21:50:32,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 21:50:32,344 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 123 transitions. [2022-07-19 21:50:32,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-19 21:50:32,344 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 123 transitions. [2022-07-19 21:50:32,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-07-19 21:50:32,346 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 21:50:32,346 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 21:50:32,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 21:50:32,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-07-19 21:50:32,560 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 21:50:32,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:50:32,560 INFO L85 PathProgramCache]: Analyzing trace with hash 778634374, now seen corresponding path program 1 times [2022-07-19 21:50:32,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:50:32,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733916449] [2022-07-19 21:50:32,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:50:32,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:50:32,584 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 21:50:32,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [877900030] [2022-07-19 21:50:32,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:50:32,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:50:32,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 21:50:32,586 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 21:50:32,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 21:50:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:32,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 48 conjunts are in the unsatisfiable core [2022-07-19 21:50:32,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 21:50:32,851 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-19 21:50:34,924 WARN L855 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_393 Int)) (= (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_393)) |c_#memory_$Pointer$.base|)) is different from true [2022-07-19 21:50:43,914 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-07-19 21:50:43,914 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 21:50:43,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:50:43,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733916449] [2022-07-19 21:50:43,915 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-19 21:50:43,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877900030] [2022-07-19 21:50:43,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877900030] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:50:43,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:50:43,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-07-19 21:50:43,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520183641] [2022-07-19 21:50:43,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:50:43,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-19 21:50:43,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:50:43,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-19 21:50:43,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=202, Unknown=3, NotChecked=28, Total=272 [2022-07-19 21:50:43,917 INFO L87 Difference]: Start difference. First operand 97 states and 123 transitions. Second operand has 17 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-07-19 21:50:44,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 21:50:44,542 INFO L93 Difference]: Finished difference Result 278 states and 380 transitions. [2022-07-19 21:50:44,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-19 21:50:44,543 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) Word has length 104 [2022-07-19 21:50:44,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 21:50:44,546 INFO L225 Difference]: With dead ends: 278 [2022-07-19 21:50:44,546 INFO L226 Difference]: Without dead ends: 211 [2022-07-19 21:50:44,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=60, Invalid=321, Unknown=3, NotChecked=36, Total=420 [2022-07-19 21:50:44,547 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 138 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 1650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 625 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-19 21:50:44,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 841 Invalid, 1650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 852 Invalid, 0 Unknown, 625 Unchecked, 0.5s Time] [2022-07-19 21:50:44,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2022-07-19 21:50:44,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 107. [2022-07-19 21:50:44,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 66 states have (on average 1.1363636363636365) internal successors, (75), 68 states have internal predecessors, (75), 30 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 29 states have call predecessors, (32), 28 states have call successors, (32) [2022-07-19 21:50:44,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 137 transitions. [2022-07-19 21:50:44,573 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 137 transitions. Word has length 104 [2022-07-19 21:50:44,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 21:50:44,574 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 137 transitions. [2022-07-19 21:50:44,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-07-19 21:50:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 137 transitions. [2022-07-19 21:50:44,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-07-19 21:50:44,576 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 21:50:44,576 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 21:50:44,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-19 21:50:44,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:50:44,777 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 21:50:44,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:50:44,777 INFO L85 PathProgramCache]: Analyzing trace with hash 385607364, now seen corresponding path program 1 times [2022-07-19 21:50:44,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:50:44,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139783757] [2022-07-19 21:50:44,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:50:44,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:50:44,797 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 21:50:44,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1243232286] [2022-07-19 21:50:44,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:50:44,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:50:44,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 21:50:44,820 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 21:50:44,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-19 21:50:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:45,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 21:50:45,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 21:50:45,033 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-07-19 21:50:45,033 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 21:50:45,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:50:45,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139783757] [2022-07-19 21:50:45,033 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-19 21:50:45,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243232286] [2022-07-19 21:50:45,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243232286] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:50:45,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:50:45,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 21:50:45,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404960059] [2022-07-19 21:50:45,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:50:45,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 21:50:45,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:50:45,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 21:50:45,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 21:50:45,036 INFO L87 Difference]: Start difference. First operand 107 states and 137 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-19 21:50:45,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 21:50:45,059 INFO L93 Difference]: Finished difference Result 189 states and 237 transitions. [2022-07-19 21:50:45,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 21:50:45,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 104 [2022-07-19 21:50:45,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 21:50:45,062 INFO L225 Difference]: With dead ends: 189 [2022-07-19 21:50:45,062 INFO L226 Difference]: Without dead ends: 112 [2022-07-19 21:50:45,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 21:50:45,065 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 7 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 21:50:45,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 361 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 21:50:45,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-07-19 21:50:45,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2022-07-19 21:50:45,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 70 states have internal predecessors, (77), 30 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 29 states have call predecessors, (32), 28 states have call successors, (32) [2022-07-19 21:50:45,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 139 transitions. [2022-07-19 21:50:45,091 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 139 transitions. Word has length 104 [2022-07-19 21:50:45,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 21:50:45,092 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 139 transitions. [2022-07-19 21:50:45,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-19 21:50:45,092 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 139 transitions. [2022-07-19 21:50:45,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-19 21:50:45,096 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 21:50:45,096 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 21:50:45,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-19 21:50:45,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:50:45,314 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 21:50:45,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:50:45,314 INFO L85 PathProgramCache]: Analyzing trace with hash -814904288, now seen corresponding path program 1 times [2022-07-19 21:50:45,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:50:45,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496779877] [2022-07-19 21:50:45,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:50:45,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:50:45,370 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 21:50:45,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [123211019] [2022-07-19 21:50:45,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:50:45,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:50:45,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 21:50:45,379 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 21:50:45,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-19 21:50:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:50:45,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 150 conjunts are in the unsatisfiable core [2022-07-19 21:50:45,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 21:50:45,619 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-07-19 21:50:45,620 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-07-19 21:50:45,714 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-19 21:50:45,801 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-07-19 21:50:45,802 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-07-19 21:50:45,912 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-19 21:50:45,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 21:50:45,955 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-07-19 21:50:45,982 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-07-19 21:50:45,983 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-07-19 21:50:46,288 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-07-19 21:50:46,288 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-07-19 21:50:46,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 21:50:46,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 21:50:46,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 21:50:46,333 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-07-19 21:50:57,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 21:50:57,131 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 69 [2022-07-19 21:50:57,559 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 35 proven. 96 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-19 21:50:57,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 21:51:00,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:51:00,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496779877] [2022-07-19 21:51:00,632 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-19 21:51:00,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123211019] [2022-07-19 21:51:00,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123211019] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 21:51:00,632 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-19 21:51:00,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2022-07-19 21:51:00,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714972024] [2022-07-19 21:51:00,633 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-19 21:51:00,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-07-19 21:51:00,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:51:00,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-07-19 21:51:00,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1437, Unknown=4, NotChecked=0, Total=1560 [2022-07-19 21:51:00,634 INFO L87 Difference]: Start difference. First operand 109 states and 139 transitions. Second operand has 36 states, 31 states have (on average 1.8064516129032258) internal successors, (56), 31 states have internal predecessors, (56), 10 states have call successors, (17), 7 states have call predecessors, (17), 10 states have return successors, (16), 11 states have call predecessors, (16), 9 states have call successors, (16) [2022-07-19 21:51:03,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 21:51:03,799 INFO L93 Difference]: Finished difference Result 185 states and 231 transitions. [2022-07-19 21:51:03,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-07-19 21:51:03,800 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 31 states have (on average 1.8064516129032258) internal successors, (56), 31 states have internal predecessors, (56), 10 states have call successors, (17), 7 states have call predecessors, (17), 10 states have return successors, (16), 11 states have call predecessors, (16), 9 states have call successors, (16) Word has length 106 [2022-07-19 21:51:03,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 21:51:03,801 INFO L225 Difference]: With dead ends: 185 [2022-07-19 21:51:03,801 INFO L226 Difference]: Without dead ends: 180 [2022-07-19 21:51:03,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 64 SyntacticMatches, 12 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=194, Invalid=2558, Unknown=4, NotChecked=0, Total=2756 [2022-07-19 21:51:03,803 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 68 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 2251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1603 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-19 21:51:03,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 1116 Invalid, 2251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 612 Invalid, 0 Unknown, 1603 Unchecked, 0.5s Time] [2022-07-19 21:51:03,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-07-19 21:51:03,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 169. [2022-07-19 21:51:03,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 107 states have (on average 1.1214953271028036) internal successors, (120), 110 states have internal predecessors, (120), 43 states have call successors, (43), 16 states have call predecessors, (43), 18 states have return successors, (49), 42 states have call predecessors, (49), 41 states have call successors, (49) [2022-07-19 21:51:03,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 212 transitions. [2022-07-19 21:51:03,829 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 212 transitions. Word has length 106 [2022-07-19 21:51:03,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 21:51:03,830 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 212 transitions. [2022-07-19 21:51:03,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 31 states have (on average 1.8064516129032258) internal successors, (56), 31 states have internal predecessors, (56), 10 states have call successors, (17), 7 states have call predecessors, (17), 10 states have return successors, (16), 11 states have call predecessors, (16), 9 states have call successors, (16) [2022-07-19 21:51:03,831 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 212 transitions. [2022-07-19 21:51:03,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-19 21:51:03,832 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 21:51:03,833 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 21:51:03,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-19 21:51:04,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:51:04,033 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 21:51:04,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:51:04,034 INFO L85 PathProgramCache]: Analyzing trace with hash -134845918, now seen corresponding path program 1 times [2022-07-19 21:51:04,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:51:04,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315004233] [2022-07-19 21:51:04,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:51:04,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:51:04,063 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 21:51:04,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1125464584] [2022-07-19 21:51:04,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:51:04,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:51:04,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 21:51:04,075 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 21:51:04,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-19 21:51:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:51:04,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-19 21:51:04,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 21:51:04,315 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-07-19 21:51:04,315 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 21:51:04,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:51:04,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315004233] [2022-07-19 21:51:04,316 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-19 21:51:04,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125464584] [2022-07-19 21:51:04,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125464584] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:51:04,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:51:04,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 21:51:04,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664535022] [2022-07-19 21:51:04,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:51:04,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 21:51:04,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:51:04,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 21:51:04,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 21:51:04,318 INFO L87 Difference]: Start difference. First operand 169 states and 212 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-19 21:51:04,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 21:51:04,472 INFO L93 Difference]: Finished difference Result 256 states and 319 transitions. [2022-07-19 21:51:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 21:51:04,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 106 [2022-07-19 21:51:04,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 21:51:04,488 INFO L225 Difference]: With dead ends: 256 [2022-07-19 21:51:04,489 INFO L226 Difference]: Without dead ends: 173 [2022-07-19 21:51:04,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-19 21:51:04,489 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 16 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 21:51:04,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 425 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 21:51:04,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-07-19 21:51:04,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 166. [2022-07-19 21:51:04,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 105 states have (on average 1.1142857142857143) internal successors, (117), 107 states have internal predecessors, (117), 43 states have call successors, (43), 16 states have call predecessors, (43), 17 states have return successors, (48), 42 states have call predecessors, (48), 41 states have call successors, (48) [2022-07-19 21:51:04,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 208 transitions. [2022-07-19 21:51:04,501 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 208 transitions. Word has length 106 [2022-07-19 21:51:04,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 21:51:04,501 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 208 transitions. [2022-07-19 21:51:04,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-19 21:51:04,501 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2022-07-19 21:51:04,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-19 21:51:04,502 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 21:51:04,502 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 21:51:04,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-19 21:51:04,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:51:04,721 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 21:51:04,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:51:04,722 INFO L85 PathProgramCache]: Analyzing trace with hash -556738850, now seen corresponding path program 1 times [2022-07-19 21:51:04,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:51:04,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898416484] [2022-07-19 21:51:04,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:51:04,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:51:04,742 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 21:51:04,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [476667812] [2022-07-19 21:51:04,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:51:04,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:51:04,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 21:51:04,743 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 21:51:04,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-19 21:51:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:51:04,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-19 21:51:04,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 21:51:04,966 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-07-19 21:51:04,966 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 21:51:04,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:51:04,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898416484] [2022-07-19 21:51:04,966 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-19 21:51:04,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476667812] [2022-07-19 21:51:04,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476667812] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:51:04,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:51:04,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 21:51:04,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787832497] [2022-07-19 21:51:04,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:51:04,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 21:51:04,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:51:04,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 21:51:04,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 21:51:04,968 INFO L87 Difference]: Start difference. First operand 166 states and 208 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-19 21:51:05,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 21:51:05,064 INFO L93 Difference]: Finished difference Result 250 states and 311 transitions. [2022-07-19 21:51:05,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 21:51:05,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 106 [2022-07-19 21:51:05,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 21:51:05,065 INFO L225 Difference]: With dead ends: 250 [2022-07-19 21:51:05,065 INFO L226 Difference]: Without dead ends: 170 [2022-07-19 21:51:05,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 21:51:05,066 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 7 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 21:51:05,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 445 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 21:51:05,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-07-19 21:51:05,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 166. [2022-07-19 21:51:05,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 105 states have (on average 1.1047619047619048) internal successors, (116), 107 states have internal predecessors, (116), 43 states have call successors, (43), 16 states have call predecessors, (43), 17 states have return successors, (48), 42 states have call predecessors, (48), 41 states have call successors, (48) [2022-07-19 21:51:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 207 transitions. [2022-07-19 21:51:05,075 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 207 transitions. Word has length 106 [2022-07-19 21:51:05,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 21:51:05,076 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 207 transitions. [2022-07-19 21:51:05,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-19 21:51:05,076 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 207 transitions. [2022-07-19 21:51:05,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-19 21:51:05,077 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 21:51:05,077 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 21:51:05,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-19 21:51:05,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:51:05,295 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 21:51:05,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:51:05,296 INFO L85 PathProgramCache]: Analyzing trace with hash 123319520, now seen corresponding path program 1 times [2022-07-19 21:51:05,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:51:05,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159371581] [2022-07-19 21:51:05,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:51:05,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:51:05,318 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 21:51:05,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [665143741] [2022-07-19 21:51:05,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:51:05,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:51:05,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 21:51:05,332 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 21:51:05,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-19 21:51:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:51:05,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 138 conjunts are in the unsatisfiable core [2022-07-19 21:51:05,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 21:51:05,627 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-19 21:51:08,195 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-07-19 21:51:08,642 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-19 21:51:09,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 21:51:09,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 21:51:09,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 21:51:09,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 21:51:09,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 21:51:09,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 21:51:09,131 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 51 [2022-07-19 21:51:11,316 WARN L855 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_1138 Int)) (= (store |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_1138)) |c_#memory_int|)) is different from true [2022-07-19 21:51:19,204 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 29 proven. 97 refuted. 0 times theorem prover too weak. 39 trivial. 6 not checked. [2022-07-19 21:51:19,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 21:51:21,333 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1146 Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_13| Int)) (= 0 (mod (select (select (store |c_#memory_int| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_13| (store (select |c_#memory_int| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_13|) 0 v_ArrVal_1146)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 8)) 18446744073709551616))) is different from false [2022-07-19 21:51:21,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:51:21,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159371581] [2022-07-19 21:51:21,334 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-19 21:51:21,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665143741] [2022-07-19 21:51:21,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665143741] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 21:51:21,335 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-19 21:51:21,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2022-07-19 21:51:21,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695187726] [2022-07-19 21:51:21,335 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-19 21:51:21,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-07-19 21:51:21,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:51:21,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-07-19 21:51:21,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=483, Unknown=5, NotChecked=90, Total=650 [2022-07-19 21:51:21,336 INFO L87 Difference]: Start difference. First operand 166 states and 207 transitions. Second operand has 25 states, 23 states have (on average 2.347826086956522) internal successors, (54), 22 states have internal predecessors, (54), 10 states have call successors, (18), 6 states have call predecessors, (18), 9 states have return successors, (17), 11 states have call predecessors, (17), 9 states have call successors, (17) [2022-07-19 21:51:33,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 21:51:33,039 INFO L93 Difference]: Finished difference Result 405 states and 524 transitions. [2022-07-19 21:51:33,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-19 21:51:33,040 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 2.347826086956522) internal successors, (54), 22 states have internal predecessors, (54), 10 states have call successors, (18), 6 states have call predecessors, (18), 9 states have return successors, (17), 11 states have call predecessors, (17), 9 states have call successors, (17) Word has length 106 [2022-07-19 21:51:33,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 21:51:33,044 INFO L225 Difference]: With dead ends: 405 [2022-07-19 21:51:33,044 INFO L226 Difference]: Without dead ends: 325 [2022-07-19 21:51:33,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 21.5s TimeCoverageRelationStatistics Valid=178, Invalid=1229, Unknown=7, NotChecked=146, Total=1560 [2022-07-19 21:51:33,060 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 216 mSDsluCounter, 1351 mSDsCounter, 0 mSdLazyCounter, 2255 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 1527 SdHoareTripleChecker+Invalid, 3773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 2255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1303 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-19 21:51:33,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 1527 Invalid, 3773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 2255 Invalid, 0 Unknown, 1303 Unchecked, 5.1s Time] [2022-07-19 21:51:33,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2022-07-19 21:51:33,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 253. [2022-07-19 21:51:33,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 164 states have (on average 1.0975609756097562) internal successors, (180), 168 states have internal predecessors, (180), 61 states have call successors, (61), 25 states have call predecessors, (61), 27 states have return successors, (70), 59 states have call predecessors, (70), 57 states have call successors, (70) [2022-07-19 21:51:33,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 311 transitions. [2022-07-19 21:51:33,102 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 311 transitions. Word has length 106 [2022-07-19 21:51:33,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 21:51:33,102 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 311 transitions. [2022-07-19 21:51:33,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 2.347826086956522) internal successors, (54), 22 states have internal predecessors, (54), 10 states have call successors, (18), 6 states have call predecessors, (18), 9 states have return successors, (17), 11 states have call predecessors, (17), 9 states have call successors, (17) [2022-07-19 21:51:33,103 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 311 transitions. [2022-07-19 21:51:33,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-19 21:51:33,104 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 21:51:33,104 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 21:51:33,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-07-19 21:51:33,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-07-19 21:51:33,320 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 21:51:33,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:51:33,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1997817290, now seen corresponding path program 1 times [2022-07-19 21:51:33,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:51:33,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270772185] [2022-07-19 21:51:33,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:51:33,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:51:33,343 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 21:51:33,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1871978493] [2022-07-19 21:51:33,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:51:33,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:51:33,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 21:51:33,345 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 21:51:33,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-19 21:51:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:51:33,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 36 conjunts are in the unsatisfiable core [2022-07-19 21:51:33,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 21:51:33,628 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 45 proven. 18 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-19 21:51:33,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 21:51:33,937 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-07-19 21:51:33,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:51:33,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270772185] [2022-07-19 21:51:33,937 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-19 21:51:33,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871978493] [2022-07-19 21:51:33,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871978493] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 21:51:33,937 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-19 21:51:33,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2022-07-19 21:51:33,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450853654] [2022-07-19 21:51:33,938 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-19 21:51:33,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-19 21:51:33,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:51:33,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-19 21:51:33,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-07-19 21:51:33,939 INFO L87 Difference]: Start difference. First operand 253 states and 311 transitions. Second operand has 19 states, 17 states have (on average 4.176470588235294) internal successors, (71), 14 states have internal predecessors, (71), 5 states have call successors, (22), 3 states have call predecessors, (22), 7 states have return successors, (23), 7 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-19 21:51:34,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 21:51:34,206 INFO L93 Difference]: Finished difference Result 294 states and 349 transitions. [2022-07-19 21:51:34,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 21:51:34,207 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 4.176470588235294) internal successors, (71), 14 states have internal predecessors, (71), 5 states have call successors, (22), 3 states have call predecessors, (22), 7 states have return successors, (23), 7 states have call predecessors, (23), 4 states have call successors, (23) Word has length 112 [2022-07-19 21:51:34,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 21:51:34,208 INFO L225 Difference]: With dead ends: 294 [2022-07-19 21:51:34,208 INFO L226 Difference]: Without dead ends: 202 [2022-07-19 21:51:34,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2022-07-19 21:51:34,209 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 10 mSDsluCounter, 1584 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1697 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 21:51:34,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1697 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 21:51:34,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2022-07-19 21:51:34,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 200. [2022-07-19 21:51:34,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 130 states have (on average 1.0923076923076922) internal successors, (142), 134 states have internal predecessors, (142), 45 states have call successors, (45), 21 states have call predecessors, (45), 24 states have return successors, (50), 44 states have call predecessors, (50), 43 states have call successors, (50) [2022-07-19 21:51:34,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 237 transitions. [2022-07-19 21:51:34,218 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 237 transitions. Word has length 112 [2022-07-19 21:51:34,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 21:51:34,218 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 237 transitions. [2022-07-19 21:51:34,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 4.176470588235294) internal successors, (71), 14 states have internal predecessors, (71), 5 states have call successors, (22), 3 states have call predecessors, (22), 7 states have return successors, (23), 7 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-19 21:51:34,218 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 237 transitions. [2022-07-19 21:51:34,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-19 21:51:34,219 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 21:51:34,219 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 21:51:34,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-19 21:51:34,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:51:34,439 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 21:51:34,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:51:34,439 INFO L85 PathProgramCache]: Analyzing trace with hash -407885584, now seen corresponding path program 1 times [2022-07-19 21:51:34,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:51:34,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869547248] [2022-07-19 21:51:34,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:51:34,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:51:34,470 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 21:51:34,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [566866844] [2022-07-19 21:51:34,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:51:34,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:51:34,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 21:51:34,473 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 21:51:34,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-19 21:51:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 21:51:34,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 36 conjunts are in the unsatisfiable core [2022-07-19 21:51:34,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 21:51:34,771 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-19 21:51:34,870 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-07-19 21:51:34,870 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 21:51:34,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 21:51:34,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869547248] [2022-07-19 21:51:34,871 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-19 21:51:34,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566866844] [2022-07-19 21:51:34,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566866844] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 21:51:34,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 21:51:34,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-19 21:51:34,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764238230] [2022-07-19 21:51:34,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 21:51:34,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-19 21:51:34,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 21:51:34,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-19 21:51:34,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-07-19 21:51:34,872 INFO L87 Difference]: Start difference. First operand 200 states and 237 transitions. Second operand has 13 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 7 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2022-07-19 21:51:35,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 21:51:35,580 INFO L93 Difference]: Finished difference Result 315 states and 382 transitions. [2022-07-19 21:51:35,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-19 21:51:35,581 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 7 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) Word has length 110 [2022-07-19 21:51:35,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 21:51:35,582 INFO L225 Difference]: With dead ends: 315 [2022-07-19 21:51:35,582 INFO L226 Difference]: Without dead ends: 227 [2022-07-19 21:51:35,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2022-07-19 21:51:35,583 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 116 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 21:51:35,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 576 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 21:51:35,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-07-19 21:51:35,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 200. [2022-07-19 21:51:35,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 130 states have (on average 1.0923076923076922) internal successors, (142), 134 states have internal predecessors, (142), 45 states have call successors, (45), 21 states have call predecessors, (45), 24 states have return successors, (50), 44 states have call predecessors, (50), 43 states have call successors, (50) [2022-07-19 21:51:35,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 237 transitions. [2022-07-19 21:51:35,596 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 237 transitions. Word has length 110 [2022-07-19 21:51:35,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 21:51:35,596 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 237 transitions. [2022-07-19 21:51:35,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 7 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2022-07-19 21:51:35,597 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 237 transitions. [2022-07-19 21:51:35,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-19 21:51:35,601 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 21:51:35,602 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 21:51:35,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-19 21:51:35,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-19 21:51:35,816 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 21:51:35,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 21:51:35,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1400716810, now seen corresponding path program 2 times [2022-07-19 21:51:35,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 21:51:35,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231067902] [2022-07-19 21:51:35,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 21:51:35,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 21:51:35,838 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-19 21:51:35,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1602573412] [2022-07-19 21:51:35,838 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-19 21:51:35,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 21:51:35,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 21:51:35,840 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 21:51:35,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-19 21:51:36,289 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-19 21:51:36,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-07-19 21:51:36,290 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 21:51:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 21:51:36,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-19 21:51:36,632 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 21:51:36,632 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 21:51:36,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-19 21:51:36,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-19 21:51:36,844 INFO L356 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 21:51:36,847 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 21:51:36,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:51:36 BoogieIcfgContainer [2022-07-19 21:51:36,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 21:51:36,913 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 21:51:36,913 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 21:51:36,913 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 21:51:36,914 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:50:30" (3/4) ... [2022-07-19 21:51:36,916 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-19 21:51:36,916 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 21:51:36,916 INFO L158 Benchmark]: Toolchain (without parser) took 68330.52ms. Allocated memory was 111.1MB in the beginning and 249.6MB in the end (delta: 138.4MB). Free memory was 73.5MB in the beginning and 129.7MB in the end (delta: -56.2MB). Peak memory consumption was 83.1MB. Max. memory is 16.1GB. [2022-07-19 21:51:36,916 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory was 66.2MB in the beginning and 66.2MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 21:51:36,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1340.44ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 73.1MB in the beginning and 62.9MB in the end (delta: 10.3MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2022-07-19 21:51:36,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.15ms. Allocated memory is still 134.2MB. Free memory was 62.9MB in the beginning and 56.6MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 21:51:36,917 INFO L158 Benchmark]: Boogie Preprocessor took 66.07ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 56.6MB in the beginning and 154.0MB in the end (delta: -97.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-07-19 21:51:36,917 INFO L158 Benchmark]: RCFGBuilder took 515.07ms. Allocated memory is still 195.0MB. Free memory was 154.0MB in the beginning and 127.8MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-19 21:51:36,918 INFO L158 Benchmark]: TraceAbstraction took 66287.79ms. Allocated memory was 195.0MB in the beginning and 249.6MB in the end (delta: 54.5MB). Free memory was 127.8MB in the beginning and 129.7MB in the end (delta: -1.9MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2022-07-19 21:51:36,918 INFO L158 Benchmark]: Witness Printer took 2.76ms. Allocated memory is still 249.6MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 21:51:36,919 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory was 66.2MB in the beginning and 66.2MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1340.44ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 73.1MB in the beginning and 62.9MB in the end (delta: 10.3MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.15ms. Allocated memory is still 134.2MB. Free memory was 62.9MB in the beginning and 56.6MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.07ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 56.6MB in the beginning and 154.0MB in the end (delta: -97.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * RCFGBuilder took 515.07ms. Allocated memory is still 195.0MB. Free memory was 154.0MB in the beginning and 127.8MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 66287.79ms. Allocated memory was 195.0MB in the beginning and 249.6MB in the end (delta: 54.5MB). Free memory was 127.8MB in the beginning and 129.7MB in the end (delta: -1.9MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * Witness Printer took 2.76ms. Allocated memory is still 249.6MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of __builtin_umull_overflow at line 255. Possible FailurePath: [L2762-L2767] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7359] static __thread int tl_last_error = 0; VAL [s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7617] CALL aws_array_list_init_static_harness() [L7586] struct aws_array_list list = {0, __VERIFIER_nondet_ulong(), __VERIFIER_nondet_ulong(), __VERIFIER_nondet_ulong(), 0}; [L7589] size_t item_size; [L7590] size_t initial_item_allocation; [L7591] size_t len; VAL [len={10:0}, list={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7594] CALL assume_abort_if_not(initial_item_allocation > 0 && initial_item_allocation <= 9223372036854775808U) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7594] RET assume_abort_if_not(initial_item_allocation > 0 && initial_item_allocation <= 9223372036854775808U) VAL [initial_item_allocation=9223372036854775808, len={10:0}, list={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7595] CALL assume_abort_if_not(item_size > 0 && item_size <= 2) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7595] RET assume_abort_if_not(item_size > 0 && item_size <= 2) VAL [initial_item_allocation=9223372036854775808, item_size=2, len={10:0}, list={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7596] CALL, EXPR aws_mul_size_checked(initial_item_allocation, item_size, &len) VAL [\old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2496] CALL __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=0, a=9223372036854775808, b=2, r={10:0}, r={10:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, r={10:0}, r={10:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L7596] RET, EXPR aws_mul_size_checked(initial_item_allocation, item_size, &len) VAL [aws_mul_size_checked(initial_item_allocation, item_size, &len)=0, initial_item_allocation=9223372036854775808, item_size=2, len={10:0}, list={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7596] CALL assume_abort_if_not(!aws_mul_size_checked(initial_item_allocation, item_size, &len)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7596] RET assume_abort_if_not(!aws_mul_size_checked(initial_item_allocation, item_size, &len)) VAL [aws_mul_size_checked(initial_item_allocation, item_size, &len)=0, initial_item_allocation=9223372036854775808, item_size=2, len={10:0}, list={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7599] EXPR \read(len) VAL [\read(len)=18446744073709551616, initial_item_allocation=9223372036854775808, item_size=2, len={10:0}, list={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7599] CALL, EXPR bounded_malloc(len) VAL [\old(size)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2779-L2781] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2779-L2781] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=0, s_can_fail_allocator_static={5:0}, size=0, tl_last_error=0] [L2782] return malloc(size); [L7599] RET, EXPR bounded_malloc(len) VAL [\read(len)=18446744073709551616, bounded_malloc(len)={-1:0}, initial_item_allocation=9223372036854775808, item_size=2, len={10:0}, list={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7599] uint8_t *raw_array = bounded_malloc(len); [L7600] struct store_byte_from_buffer old_byte; [L7601] EXPR \read(len) [L7601] CALL save_byte_from_array(raw_array, len, &old_byte) [L7183] COND FALSE !(size > 0 && array && storage) VAL [\old(size)=0, array={-1:0}, array={-1:0}, s_can_fail_allocator_static={5:0}, size=0, storage={8:0}, storage={8:0}, tl_last_error=0] [L7601] RET save_byte_from_array(raw_array, len, &old_byte) [L7603] CALL aws_array_list_init_static(&list, raw_array, initial_item_allocation, item_size) [L3237-L3239] CALL assume_abort_if_not((list != ((void *)0) )) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3237-L3239] RET assume_abort_if_not((list != ((void *)0) )) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={12:0}, list={12:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3240-L3242] CALL assume_abort_if_not((raw_array != ((void *)0) )) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3240-L3242] RET assume_abort_if_not((raw_array != ((void *)0) )) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={12:0}, list={12:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3243] CALL assume_abort_if_not((item_count > 0)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3243] RET assume_abort_if_not((item_count > 0)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={12:0}, list={12:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3244] CALL assume_abort_if_not((item_size > 0)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3244] RET assume_abort_if_not((item_size > 0)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={12:0}, list={12:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3246-L3247] list->alloc = ((void *)0) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={12:0}, list={12:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3250] CALL, EXPR aws_mul_size_checked(item_count, item_size, &list->current_size) VAL [\old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2496] CALL __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=0, a=9223372036854775808, b=2, r={12:8}, r={12:8}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, r={12:8}, r={12:8}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3250] RET, EXPR aws_mul_size_checked(item_count, item_size, &list->current_size) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, aws_mul_size_checked(item_count, item_size, &list->current_size)=0, item_count=9223372036854775808, item_size=2, list={12:0}, list={12:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3250] int no_overflow = !aws_mul_size_checked(item_count, item_size, &list->current_size); [L3251] CALL assume_abort_if_not((no_overflow)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3251] RET assume_abort_if_not((no_overflow)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={12:0}, list={12:0}, no_overflow=1, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3253] list->item_size = item_size [L3254] list->length = 0 [L3255] list->data = raw_array VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={12:0}, list={12:0}, no_overflow=1, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3256] CALL, EXPR aws_array_list_is_valid(list) VAL [\old(tl_last_error)=0, list={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3263] COND FALSE !(!list) [L3268] size_t required_size = 0; [L3272] EXPR list->length [L3272] EXPR list->item_size VAL [\old(tl_last_error)=0, list={12:0}, list={12:0}, list->item_size=2, list->length=0, required_size={13:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3272] CALL, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, r={13:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2496] CALL __CPROVER_overflow_mult(a, b) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, \result=-1, a=0, b=2, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=-1, a=0, b=2, r={13:0}, r={13:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] COND TRUE __CPROVER_overflow_mult(a, b) [L2497] CALL, EXPR aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED) VAL [\old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L1996] CALL aws_raise_error_private(err) [L7366] tl_last_error = err VAL [\old(err)=4, \old(tl_last_error)=0, err=4, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L1996] RET aws_raise_error_private(err) [L1998] return (-1); VAL [\old(err)=4, \old(tl_last_error)=0, \result=-1, err=4, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L2497] RET, EXPR aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, a=0, aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED)=-1, b=2, r={13:0}, r={13:0}, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L2497] return aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED); [L2588] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3272] RET, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) VAL [\old(tl_last_error)=0, aws_mul_size_checked(list->length, list->item_size, &required_size)=-1, list={12:0}, list={12:0}, list->item_size=2, list->length=0, required_size={13:0}, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3270-L3272] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L3275] EXPR list->current_size [L3275] EXPR \read(required_size) [L3274-L3275] _Bool current_size_is_valid = (list->current_size >= required_size); [L3279] EXPR list->current_size [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) [L3279] EXPR list->data [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) VAL [\old(tl_last_error)=0, current_size_is_valid=1, list={12:0}, list={12:0}, list->current_size=18446744073709551616, list->current_size == 0 && list->data == ((void *)0)=0, list->data={-1:0}, required_size={13:0}, required_size_is_valid=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L3281] EXPR list->current_size [L3281] EXPR (((list->current_size)) == 0) || ((list->data)) VAL [(((list->current_size)) == 0) || ((list->data))=1, (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))=0, \old(tl_last_error)=0, current_size_is_valid=1, list={12:0}, list={12:0}, list->current_size=18446744073709551616, list->current_size=18446744073709551616, list->current_size == 0 && list->data == ((void *)0)=0, list->data={-1:0}, required_size={13:0}, required_size_is_valid=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) VAL [(((list->current_size)) == 0) || ((list->data))=1, (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))=1, \old(tl_last_error)=0, current_size_is_valid=1, list={12:0}, list={12:0}, list->current_size=18446744073709551616, list->current_size=18446744073709551616, list->current_size == 0 && list->data == ((void *)0)=0, list->data={-1:0}, required_size={13:0}, required_size_is_valid=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3277-L3281] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L3284] EXPR list->item_size [L3283-L3284] _Bool item_size_is_valid = (list->item_size != 0); [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L3268] size_t required_size = 0; [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; VAL [\old(tl_last_error)=0, \result=0, current_size_is_valid=1, data_is_valid=1, item_size_is_valid=1, list={12:0}, list={12:0}, required_size_is_valid=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3256] RET, EXPR aws_array_list_is_valid(list) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, aws_array_list_is_valid(list)=0, item_count=9223372036854775808, item_size=2, list={12:0}, list={12:0}, no_overflow=1, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3256] CALL __VERIFIER_assert((aws_array_list_is_valid(list))) VAL [\old(cond)=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L223] reach_error() VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 66.2s, OverallIterations: 11, TraceHistogramMax: 9, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 17.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 769 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 721 mSDsluCounter, 7473 SdHoareTripleChecker+Invalid, 6.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3531 IncrementalHoareTripleChecker+Unchecked, 6147 mSDsCounter, 623 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5256 IncrementalHoareTripleChecker+Invalid, 9410 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 623 mSolverCounterUnsat, 1326 mSDtfsCounter, 5256 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1207 GetRequests, 1024 SyntacticMatches, 15 SemanticMatches, 168 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 46.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253occurred in iteration=8, InterpolantAutomatonStates: 140, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 230 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 42.9s InterpolantComputationTime, 1233 NumberOfCodeBlocks, 1233 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1133 ConstructedInterpolants, 88 QuantifiedInterpolants, 4547 SizeOfPredicates, 153 NumberOfNonLiveVariables, 6896 ConjunctsInSsa, 435 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 1625/1845 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 [2022-07-19 21:51:37,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 21:51:38,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 21:51:38,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 21:51:38,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 21:51:38,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 21:51:38,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 21:51:38,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 21:51:38,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 21:51:38,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 21:51:38,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 21:51:38,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 21:51:38,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 21:51:38,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 21:51:38,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 21:51:38,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 21:51:38,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 21:51:38,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 21:51:38,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 21:51:38,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 21:51:38,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 21:51:38,708 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 21:51:38,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 21:51:38,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 21:51:38,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 21:51:38,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 21:51:38,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 21:51:38,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 21:51:38,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 21:51:38,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 21:51:38,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 21:51:38,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 21:51:38,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 21:51:38,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 21:51:38,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 21:51:38,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 21:51:38,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 21:51:38,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 21:51:38,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 21:51:38,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 21:51:38,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 21:51:38,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 21:51:38,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 21:51:38,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-19 21:51:38,751 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 21:51:38,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 21:51:38,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 21:51:38,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 21:51:38,754 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 21:51:38,754 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 21:51:38,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 21:51:38,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 21:51:38,762 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 21:51:38,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 21:51:38,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 21:51:38,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 21:51:38,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 21:51:38,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 21:51:38,763 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 21:51:38,763 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 21:51:38,763 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 21:51:38,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 21:51:38,763 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 21:51:38,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 21:51:38,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 21:51:38,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 21:51:38,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 21:51:38,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 21:51:38,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 21:51:38,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 21:51:38,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 21:51:38,765 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 21:51:38,765 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 21:51:38,765 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 21:51:38,765 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 21:51:38,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 21:51:38,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 21:51:38,766 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2022-07-19 21:51:38,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 21:51:39,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 21:51:39,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 21:51:39,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 21:51:39,030 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 21:51:39,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-07-19 21:51:39,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ff29f41/ff370a3090ae4039a63be10a6c2ba739/FLAG78a15887c [2022-07-19 21:51:39,606 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 21:51:39,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-07-19 21:51:39,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ff29f41/ff370a3090ae4039a63be10a6c2ba739/FLAG78a15887c [2022-07-19 21:51:39,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ff29f41/ff370a3090ae4039a63be10a6c2ba739 [2022-07-19 21:51:39,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 21:51:39,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 21:51:39,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 21:51:39,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 21:51:39,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 21:51:39,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:51:39" (1/1) ... [2022-07-19 21:51:39,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73590090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:51:39, skipping insertion in model container [2022-07-19 21:51:39,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:51:39" (1/1) ... [2022-07-19 21:51:39,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 21:51:39,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 21:51:40,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-07-19 21:51:40,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-07-19 21:51:40,584 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-19 21:51:40,626 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:51:40,626 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:51:40,626 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:51:40,627 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:51:40,627 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:51:40,634 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:51:40,635 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:51:40,635 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:51:40,636 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:51:40,637 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:51:40,637 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:51:40,638 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:51:40,638 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-19 21:51:40,801 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-19 21:51:40,829 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-19 21:51:40,830 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-19 21:51:40,833 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-19 21:51:40,836 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-19 21:51:40,838 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-19 21:51:40,838 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-19 21:51:40,840 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-19 21:51:40,842 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-19 21:51:40,842 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-19 21:51:40,914 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ArithmeticException: BigInteger out of int range at java.base/java.math.BigInteger.intValueExact(BigInteger.java:4784) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1009) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:968) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2978) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2836) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2138) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-19 21:51:40,936 INFO L158 Benchmark]: Toolchain (without parser) took 1073.11ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 28.2MB in the beginning and 52.6MB in the end (delta: -24.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-19 21:51:40,938 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 21:51:40,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1071.05ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 28.0MB in the beginning and 52.6MB in the end (delta: -24.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-19 21:51:40,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1071.05ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 28.0MB in the beginning and 52.6MB in the end (delta: -24.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of int range de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ArithmeticException: BigInteger out of int range: java.base/java.math.BigInteger.intValueExact(BigInteger.java:4784) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ArithmeticException: BigInteger out of int range