./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_shrink_to_fit_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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_shrink_to_fit_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 9017cdb66795bbbd8b9f62f9b398fe29d04e97206adeead5d1f2400c2ca8a92c --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 09:26:51,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 09:26:51,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 09:26:51,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 09:26:51,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 09:26:51,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 09:26:51,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 09:26:51,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 09:26:51,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 09:26:51,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 09:26:51,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 09:26:51,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 09:26:51,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 09:26:51,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 09:26:51,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 09:26:51,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 09:26:51,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 09:26:51,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 09:26:51,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 09:26:51,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 09:26:51,521 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 09:26:51,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 09:26:51,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 09:26:51,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 09:26:51,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 09:26:51,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 09:26:51,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 09:26:51,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 09:26:51,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 09:26:51,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 09:26:51,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 09:26:51,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 09:26:51,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 09:26:51,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 09:26:51,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 09:26:51,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 09:26:51,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 09:26:51,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 09:26:51,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 09:26:51,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 09:26:51,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 09:26:51,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 09:26:51,547 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 09:26:51,577 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 09:26:51,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 09:26:51,578 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 09:26:51,578 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 09:26:51,579 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 09:26:51,579 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 09:26:51,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 09:26:51,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 09:26:51,580 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 09:26:51,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 09:26:51,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 09:26:51,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 09:26:51,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 09:26:51,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 09:26:51,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 09:26:51,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 09:26:51,582 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 09:26:51,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 09:26:51,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 09:26:51,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 09:26:51,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 09:26:51,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:26:51,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 09:26:51,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 09:26:51,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 09:26:51,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 09:26:51,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 09:26:51,584 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 09:26:51,585 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 09:26:51,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 09:26:51,585 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9017cdb66795bbbd8b9f62f9b398fe29d04e97206adeead5d1f2400c2ca8a92c [2022-07-21 09:26:51,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 09:26:51,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 09:26:51,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 09:26:51,941 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 09:26:51,941 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 09:26:51,943 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_shrink_to_fit_harness.i [2022-07-21 09:26:52,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61317275a/0eea0ef579584709840faf1a7a35c775/FLAGc657aa171 [2022-07-21 09:26:52,564 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 09:26:52,565 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_shrink_to_fit_harness.i [2022-07-21 09:26:52,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61317275a/0eea0ef579584709840faf1a7a35c775/FLAGc657aa171 [2022-07-21 09:26:52,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61317275a/0eea0ef579584709840faf1a7a35c775 [2022-07-21 09:26:52,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 09:26:52,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 09:26:52,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 09:26:52,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 09:26:52,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 09:26:52,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:26:52" (1/1) ... [2022-07-21 09:26:52,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30311c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:26:52, skipping insertion in model container [2022-07-21 09:26:52,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:26:52" (1/1) ... [2022-07-21 09:26:52,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 09:26:52,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 09:26:53,140 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_shrink_to_fit_harness.i[4502,4515] [2022-07-21 09:26:53,148 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_shrink_to_fit_harness.i[4562,4575] [2022-07-21 09:26:53,736 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-21 09:26:53,798 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:53,800 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:53,800 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:53,801 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:53,803 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:53,815 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:53,815 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:53,816 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:53,817 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:53,824 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:53,824 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:53,825 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:53,825 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,029 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-21 09:26:54,030 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-21 09:26:54,031 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-21 09:26:54,032 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-21 09:26:54,033 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-21 09:26:54,047 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-21 09:26:54,047 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-21 09:26:54,048 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-21 09:26:54,050 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-21 09:26:54,051 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-21 09:26:54,146 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,146 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,155 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,159 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:26:54,231 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 09:26:54,253 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_shrink_to_fit_harness.i[4502,4515] [2022-07-21 09:26:54,253 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_shrink_to_fit_harness.i[4562,4575] [2022-07-21 09:26:54,299 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-21 09:26:54,315 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,316 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,316 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,316 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,317 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,322 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,323 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,324 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,324 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,325 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,325 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,326 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,326 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,394 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-21 09:26:54,395 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-21 09:26:54,395 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-21 09:26:54,396 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-21 09:26:54,397 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-21 09:26:54,397 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-21 09:26:54,397 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-21 09:26:54,398 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-21 09:26:54,398 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-21 09:26:54,398 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-21 09:26:54,417 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,417 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,419 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,422 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:26:54,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:26:54,631 INFO L208 MainTranslator]: Completed translation [2022-07-21 09:26:54,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:26:54 WrapperNode [2022-07-21 09:26:54,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 09:26:54,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 09:26:54,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 09:26:54,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 09:26:54,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:26:54" (1/1) ... [2022-07-21 09:26:54,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:26:54" (1/1) ... [2022-07-21 09:26:54,807 INFO L137 Inliner]: procedures = 687, calls = 1671, calls flagged for inlining = 53, calls inlined = 11, statements flattened = 770 [2022-07-21 09:26:54,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 09:26:54,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 09:26:54,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 09:26:54,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 09:26:54,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:26:54" (1/1) ... [2022-07-21 09:26:54,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:26:54" (1/1) ... [2022-07-21 09:26:54,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:26:54" (1/1) ... [2022-07-21 09:26:54,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:26:54" (1/1) ... [2022-07-21 09:26:54,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:26:54" (1/1) ... [2022-07-21 09:26:54,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:26:54" (1/1) ... [2022-07-21 09:26:54,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:26:54" (1/1) ... [2022-07-21 09:26:54,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 09:26:54,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 09:26:54,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 09:26:54,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 09:26:54,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:26:54" (1/1) ... [2022-07-21 09:26:54,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:26:54,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:26:54,952 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) [2022-07-21 09:26:54,979 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 [2022-07-21 09:26:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure memmove_impl [2022-07-21 09:26:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure memmove_impl [2022-07-21 09:26:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 09:26:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-07-21 09:26:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-07-21 09:26:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-07-21 09:26:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-07-21 09:26:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-21 09:26:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-21 09:26:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-07-21 09:26:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-07-21 09:26:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 09:26:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-07-21 09:26:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-07-21 09:26:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-21 09:26:54,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-21 09:26:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 09:26:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 09:26:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 09:26:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-07-21 09:26:55,000 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-07-21 09:26:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_front_n [2022-07-21 09:26:55,001 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_front_n [2022-07-21 09:26:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 09:26:55,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 09:26:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-21 09:26:55,001 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-21 09:26:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-07-21 09:26:55,002 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-07-21 09:26:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-07-21 09:26:55,002 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-07-21 09:26:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-07-21 09:26:55,002 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-07-21 09:26:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-07-21 09:26:55,003 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-07-21 09:26:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-07-21 09:26:55,003 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-07-21 09:26:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 09:26:55,003 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 09:26:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-07-21 09:26:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-07-21 09:26:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-07-21 09:26:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-07-21 09:26:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 09:26:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 09:26:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 09:26:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-21 09:26:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-21 09:26:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-07-21 09:26:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-07-21 09:26:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 09:26:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure my_memmove [2022-07-21 09:26:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memmove [2022-07-21 09:26:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-07-21 09:26:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-07-21 09:26:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 09:26:55,323 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 09:26:55,324 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 09:26:56,264 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 09:26:56,275 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 09:26:56,279 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 09:26:56,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:26:56 BoogieIcfgContainer [2022-07-21 09:26:56,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 09:26:56,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 09:26:56,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 09:26:56,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 09:26:56,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 09:26:52" (1/3) ... [2022-07-21 09:26:56,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@497cabf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:26:56, skipping insertion in model container [2022-07-21 09:26:56,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:26:54" (2/3) ... [2022-07-21 09:26:56,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@497cabf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:26:56, skipping insertion in model container [2022-07-21 09:26:56,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:26:56" (3/3) ... [2022-07-21 09:26:56,295 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_shrink_to_fit_harness.i [2022-07-21 09:26:56,314 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 09:26:56,314 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 09:26:56,385 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 09:26:56,390 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@4b515335, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@314960e5 [2022-07-21 09:26:56,390 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 09:26:56,397 INFO L276 IsEmpty]: Start isEmpty. Operand has 250 states, 151 states have (on average 1.218543046357616) internal successors, (184), 152 states have internal predecessors, (184), 75 states have call successors, (75), 22 states have call predecessors, (75), 22 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-07-21 09:26:56,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-21 09:26:56,410 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:26:56,411 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:26:56,411 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:26:56,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:26:56,418 INFO L85 PathProgramCache]: Analyzing trace with hash 671572415, now seen corresponding path program 1 times [2022-07-21 09:26:56,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:26:56,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419019114] [2022-07-21 09:26:56,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:26:56,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:26:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:26:57,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:26:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:26:57,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 09:26:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:26:57,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 09:26:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:26:57,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 09:26:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:26:57,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 09:26:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:26:57,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 09:26:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:26:57,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 09:26:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:26:57,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-21 09:26:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:26:57,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 09:26:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:26:57,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-21 09:26:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:26:57,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 09:26:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:26:57,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 09:26:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:26:57,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-21 09:26:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:26:57,300 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-21 09:26:57,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:26:57,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419019114] [2022-07-21 09:26:57,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419019114] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 09:26:57,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244832727] [2022-07-21 09:26:57,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:26:57,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:26:57,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:26:57,309 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) [2022-07-21 09:26:57,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 09:26:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:26:57,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 2071 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 09:26:57,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:26:57,866 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-21 09:26:57,866 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:26:57,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244832727] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:26:57,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 09:26:57,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2022-07-21 09:26:57,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444432992] [2022-07-21 09:26:57,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:26:57,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 09:26:57,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:26:57,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 09:26:57,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-21 09:26:57,896 INFO L87 Difference]: Start difference. First operand has 250 states, 151 states have (on average 1.218543046357616) internal successors, (184), 152 states have internal predecessors, (184), 75 states have call successors, (75), 22 states have call predecessors, (75), 22 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-21 09:26:58,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:26:58,243 INFO L93 Difference]: Finished difference Result 495 states and 721 transitions. [2022-07-21 09:26:58,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 09:26:58,246 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 82 [2022-07-21 09:26:58,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:26:58,256 INFO L225 Difference]: With dead ends: 495 [2022-07-21 09:26:58,256 INFO L226 Difference]: Without dead ends: 247 [2022-07-21 09:26:58,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-07-21 09:26:58,265 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 350 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 09:26:58,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 1005 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 09:26:58,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-07-21 09:26:58,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2022-07-21 09:26:58,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 148 states have (on average 1.2094594594594594) internal successors, (179), 150 states have internal predecessors, (179), 75 states have call successors, (75), 22 states have call predecessors, (75), 23 states have return successors, (86), 74 states have call predecessors, (86), 74 states have call successors, (86) [2022-07-21 09:26:58,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 340 transitions. [2022-07-21 09:26:58,347 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 340 transitions. Word has length 82 [2022-07-21 09:26:58,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:26:58,348 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 340 transitions. [2022-07-21 09:26:58,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-21 09:26:58,348 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 340 transitions. [2022-07-21 09:26:58,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-21 09:26:58,357 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:26:58,357 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:26:58,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-21 09:26:58,571 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 [2022-07-21 09:26:58,572 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:26:58,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:26:58,572 INFO L85 PathProgramCache]: Analyzing trace with hash 82360988, now seen corresponding path program 1 times [2022-07-21 09:26:58,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:26:58,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408263448] [2022-07-21 09:26:58,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:26:58,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:26:58,643 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:26:58,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [167379618] [2022-07-21 09:26:58,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:26:58,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:26:58,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:26:58,645 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) [2022-07-21 09:26:58,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 09:26:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:26:59,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 2207 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 09:26:59,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:26:59,124 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-21 09:26:59,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:26:59,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:26:59,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408263448] [2022-07-21 09:26:59,128 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:26:59,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167379618] [2022-07-21 09:26:59,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167379618] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:26:59,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:26:59,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 09:26:59,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130832736] [2022-07-21 09:26:59,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:26:59,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 09:26:59,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:26:59,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 09:26:59,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 09:26:59,130 INFO L87 Difference]: Start difference. First operand 247 states and 340 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 09:26:59,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:26:59,174 INFO L93 Difference]: Finished difference Result 473 states and 668 transitions. [2022-07-21 09:26:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 09:26:59,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 97 [2022-07-21 09:26:59,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:26:59,177 INFO L225 Difference]: With dead ends: 473 [2022-07-21 09:26:59,178 INFO L226 Difference]: Without dead ends: 252 [2022-07-21 09:26:59,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 09:26:59,180 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 10 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 09:26:59,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 968 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 09:26:59,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-07-21 09:26:59,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 249. [2022-07-21 09:26:59,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 150 states have (on average 1.2066666666666668) internal successors, (181), 152 states have internal predecessors, (181), 75 states have call successors, (75), 22 states have call predecessors, (75), 23 states have return successors, (86), 74 states have call predecessors, (86), 74 states have call successors, (86) [2022-07-21 09:26:59,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 342 transitions. [2022-07-21 09:26:59,201 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 342 transitions. Word has length 97 [2022-07-21 09:26:59,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:26:59,201 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 342 transitions. [2022-07-21 09:26:59,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 09:26:59,202 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 342 transitions. [2022-07-21 09:26:59,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-21 09:26:59,203 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:26:59,203 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:26:59,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 09:26:59,425 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 [2022-07-21 09:26:59,425 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:26:59,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:26:59,426 INFO L85 PathProgramCache]: Analyzing trace with hash -793658018, now seen corresponding path program 1 times [2022-07-21 09:26:59,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:26:59,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932605960] [2022-07-21 09:26:59,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:26:59,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:26:59,504 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:26:59,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2074824126] [2022-07-21 09:26:59,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:26:59,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:26:59,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:26:59,506 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) [2022-07-21 09:26:59,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 09:26:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:26:59,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 2212 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 09:26:59,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:27:00,012 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-21 09:27:00,012 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:27:00,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:27:00,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932605960] [2022-07-21 09:27:00,013 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:27:00,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074824126] [2022-07-21 09:27:00,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074824126] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:27:00,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:27:00,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 09:27:00,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081532065] [2022-07-21 09:27:00,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:27:00,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 09:27:00,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:27:00,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 09:27:00,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-21 09:27:00,016 INFO L87 Difference]: Start difference. First operand 249 states and 342 transitions. Second operand has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-21 09:27:00,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:27:00,462 INFO L93 Difference]: Finished difference Result 467 states and 640 transitions. [2022-07-21 09:27:00,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 09:27:00,463 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 97 [2022-07-21 09:27:00,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:27:00,465 INFO L225 Difference]: With dead ends: 467 [2022-07-21 09:27:00,465 INFO L226 Difference]: Without dead ends: 249 [2022-07-21 09:27:00,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-07-21 09:27:00,467 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 362 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 1406 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 09:27:00,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 1406 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 09:27:00,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-07-21 09:27:00,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-07-21 09:27:00,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 150 states have (on average 1.2066666666666668) internal successors, (181), 152 states have internal predecessors, (181), 75 states have call successors, (75), 22 states have call predecessors, (75), 23 states have return successors, (83), 74 states have call predecessors, (83), 74 states have call successors, (83) [2022-07-21 09:27:00,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 339 transitions. [2022-07-21 09:27:00,503 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 339 transitions. Word has length 97 [2022-07-21 09:27:00,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:27:00,504 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 339 transitions. [2022-07-21 09:27:00,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-21 09:27:00,505 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 339 transitions. [2022-07-21 09:27:00,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-21 09:27:00,510 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:27:00,511 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2022-07-21 09:27:00,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 09:27:00,723 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 [2022-07-21 09:27:00,724 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:27:00,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:27:00,724 INFO L85 PathProgramCache]: Analyzing trace with hash -599596947, now seen corresponding path program 2 times [2022-07-21 09:27:00,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:27:00,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759188839] [2022-07-21 09:27:00,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:27:00,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:27:00,788 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:27:00,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1560345801] [2022-07-21 09:27:00,789 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 09:27:00,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:27:00,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:27:00,790 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) [2022-07-21 09:27:00,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 09:27:01,248 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 09:27:01,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 09:27:01,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 2353 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 09:27:01,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:27:01,352 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-21 09:27:01,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:27:01,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:27:01,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759188839] [2022-07-21 09:27:01,353 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:27:01,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560345801] [2022-07-21 09:27:01,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560345801] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:27:01,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:27:01,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 09:27:01,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433971578] [2022-07-21 09:27:01,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:27:01,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 09:27:01,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:27:01,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 09:27:01,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-21 09:27:01,356 INFO L87 Difference]: Start difference. First operand 249 states and 339 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-21 09:27:01,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:27:01,863 INFO L93 Difference]: Finished difference Result 464 states and 632 transitions. [2022-07-21 09:27:01,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 09:27:01,863 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) Word has length 112 [2022-07-21 09:27:01,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:27:01,868 INFO L225 Difference]: With dead ends: 464 [2022-07-21 09:27:01,869 INFO L226 Difference]: Without dead ends: 249 [2022-07-21 09:27:01,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-07-21 09:27:01,876 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 364 mSDsluCounter, 1584 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 1836 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 09:27:01,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 1836 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 09:27:01,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-07-21 09:27:01,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-07-21 09:27:01,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 150 states have (on average 1.2066666666666668) internal successors, (181), 152 states have internal predecessors, (181), 75 states have call successors, (75), 22 states have call predecessors, (75), 23 states have return successors, (81), 74 states have call predecessors, (81), 74 states have call successors, (81) [2022-07-21 09:27:01,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 337 transitions. [2022-07-21 09:27:01,915 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 337 transitions. Word has length 112 [2022-07-21 09:27:01,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:27:01,916 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 337 transitions. [2022-07-21 09:27:01,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 5 states have call successors, (18), 4 states have call predecessors, (18), 2 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-21 09:27:01,916 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 337 transitions. [2022-07-21 09:27:01,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-07-21 09:27:01,917 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:27:01,917 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:27:01,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-21 09:27:02,120 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 [2022-07-21 09:27:02,120 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:27:02,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:27:02,121 INFO L85 PathProgramCache]: Analyzing trace with hash 167340177, now seen corresponding path program 1 times [2022-07-21 09:27:02,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:27:02,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040473184] [2022-07-21 09:27:02,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:27:02,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:27:02,182 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:27:02,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [532846175] [2022-07-21 09:27:02,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:27:02,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:27:02,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:27:02,184 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) [2022-07-21 09:27:02,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-21 09:27:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:27:02,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 2635 conjuncts, 283 conjunts are in the unsatisfiable core [2022-07-21 09:27:02,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:27:02,944 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-07-21 09:27:03,194 WARN L855 $PredicateComparison]: unable to prove that (and (exists ((|v___CPROVER_overflow_mult_~#c~1.base_20| Int) (v_ArrVal_319 Int)) (and (= (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_20|) 0) (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_20| v_ArrVal_319)))) (exists ((v_ArrVal_320 (Array Int Int))) (= (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_320) |c_#memory_int|))) is different from true [2022-07-21 09:27:03,231 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 6 treesize of output 5 [2022-07-21 09:27:03,592 INFO L356 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2022-07-21 09:27:03,592 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 53 [2022-07-21 09:27:26,494 INFO L356 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2022-07-21 09:27:26,495 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 53 [2022-07-21 09:27:26,505 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2022-07-21 09:27:43,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-21 09:27:43,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 09:27:43,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 09:27:43,756 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2022-07-21 09:27:43,774 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-21 09:27:43,775 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-07-21 09:28:17,071 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-21 09:28:17,072 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 136 treesize of output 80 [2022-07-21 09:28:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 44 proven. 107 refuted. 0 times theorem prover too weak. 14 trivial. 9 not checked. [2022-07-21 09:28:17,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 09:28:35,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:28:35,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040473184] [2022-07-21 09:28:35,299 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:28:35,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532846175] [2022-07-21 09:28:35,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532846175] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 09:28:35,300 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-21 09:28:35,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2022-07-21 09:28:35,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13110311] [2022-07-21 09:28:35,300 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-21 09:28:35,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-07-21 09:28:35,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:28:35,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-07-21 09:28:35,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=3330, Unknown=25, NotChecked=116, Total=3660 [2022-07-21 09:28:35,303 INFO L87 Difference]: Start difference. First operand 249 states and 337 transitions. Second operand has 57 states, 47 states have (on average 1.9361702127659575) internal successors, (91), 44 states have internal predecessors, (91), 17 states have call successors, (23), 10 states have call predecessors, (23), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2022-07-21 09:29:11,119 WARN L233 SmtUtils]: Spent 9.75s on a formula simplification. DAG size of input: 86 DAG size of output: 78 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-21 09:29:24,088 WARN L233 SmtUtils]: Spent 8.37s on a formula simplification. DAG size of input: 80 DAG size of output: 72 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-21 09:29:41,647 WARN L233 SmtUtils]: Spent 13.01s on a formula simplification. DAG size of input: 81 DAG size of output: 73 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-21 09:30:01,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:30:01,164 INFO L93 Difference]: Finished difference Result 332 states and 456 transitions. [2022-07-21 09:30:01,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-07-21 09:30:01,165 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 47 states have (on average 1.9361702127659575) internal successors, (91), 44 states have internal predecessors, (91), 17 states have call successors, (23), 10 states have call predecessors, (23), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) Word has length 142 [2022-07-21 09:30:01,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:30:01,168 INFO L225 Difference]: With dead ends: 332 [2022-07-21 09:30:01,169 INFO L226 Difference]: Without dead ends: 328 [2022-07-21 09:30:01,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 80 SyntacticMatches, 9 SemanticMatches, 83 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2049 ImplicationChecksByTransitivity, 138.9s TimeCoverageRelationStatistics Valid=388, Invalid=6541, Unknown=47, NotChecked=164, Total=7140 [2022-07-21 09:30:01,172 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 281 mSDsluCounter, 4262 mSDsCounter, 0 mSdLazyCounter, 3443 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 4561 SdHoareTripleChecker+Invalid, 9637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 3443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5896 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-21 09:30:01,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 4561 Invalid, 9637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 3443 Invalid, 0 Unknown, 5896 Unchecked, 3.5s Time] [2022-07-21 09:30:01,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-07-21 09:30:01,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 306. [2022-07-21 09:30:01,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 186 states have (on average 1.1935483870967742) internal successors, (222), 191 states have internal predecessors, (222), 88 states have call successors, (88), 29 states have call predecessors, (88), 31 states have return successors, (116), 85 states have call predecessors, (116), 87 states have call successors, (116) [2022-07-21 09:30:01,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 426 transitions. [2022-07-21 09:30:01,197 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 426 transitions. Word has length 142 [2022-07-21 09:30:01,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:30:01,198 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 426 transitions. [2022-07-21 09:30:01,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 47 states have (on average 1.9361702127659575) internal successors, (91), 44 states have internal predecessors, (91), 17 states have call successors, (23), 10 states have call predecessors, (23), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2022-07-21 09:30:01,198 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 426 transitions. [2022-07-21 09:30:01,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-07-21 09:30:01,200 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:30:01,200 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1] [2022-07-21 09:30:01,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-21 09:30:01,411 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 [2022-07-21 09:30:01,412 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:30:01,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:30:01,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1049013545, now seen corresponding path program 1 times [2022-07-21 09:30:01,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:30:01,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128384032] [2022-07-21 09:30:01,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:30:01,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:30:01,496 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:30:01,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1441037680] [2022-07-21 09:30:01,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:30:01,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:30:01,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:30:01,500 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) [2022-07-21 09:30:01,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-21 09:30:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:30:01,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 2639 conjuncts, 31 conjunts are in the unsatisfiable core [2022-07-21 09:30:01,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:30:02,084 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-07-21 09:30:02,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:30:02,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:30:02,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128384032] [2022-07-21 09:30:02,085 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:30:02,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441037680] [2022-07-21 09:30:02,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441037680] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:30:02,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:30:02,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-21 09:30:02,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992925284] [2022-07-21 09:30:02,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:30:02,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 09:30:02,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:30:02,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 09:30:02,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-21 09:30:02,087 INFO L87 Difference]: Start difference. First operand 306 states and 426 transitions. Second operand has 13 states, 11 states have (on average 6.363636363636363) internal successors, (70), 10 states have internal predecessors, (70), 4 states have call successors, (21), 2 states have call predecessors, (21), 6 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2022-07-21 09:30:02,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:30:02,511 INFO L93 Difference]: Finished difference Result 554 states and 789 transitions. [2022-07-21 09:30:02,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 09:30:02,512 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.363636363636363) internal successors, (70), 10 states have internal predecessors, (70), 4 states have call successors, (21), 2 states have call predecessors, (21), 6 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) Word has length 148 [2022-07-21 09:30:02,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:30:02,514 INFO L225 Difference]: With dead ends: 554 [2022-07-21 09:30:02,515 INFO L226 Difference]: Without dead ends: 318 [2022-07-21 09:30:02,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2022-07-21 09:30:02,518 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 12 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3877 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 09:30:02,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3877 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 09:30:02,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2022-07-21 09:30:02,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 313. [2022-07-21 09:30:02,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 192 states have (on average 1.1927083333333333) internal successors, (229), 198 states have internal predecessors, (229), 88 states have call successors, (88), 29 states have call predecessors, (88), 32 states have return successors, (132), 85 states have call predecessors, (132), 87 states have call successors, (132) [2022-07-21 09:30:02,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 449 transitions. [2022-07-21 09:30:02,553 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 449 transitions. Word has length 148 [2022-07-21 09:30:02,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:30:02,554 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 449 transitions. [2022-07-21 09:30:02,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.363636363636363) internal successors, (70), 10 states have internal predecessors, (70), 4 states have call successors, (21), 2 states have call predecessors, (21), 6 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2022-07-21 09:30:02,555 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 449 transitions. [2022-07-21 09:30:02,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-07-21 09:30:02,579 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:30:02,579 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1] [2022-07-21 09:30:02,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-21 09:30:02,803 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 [2022-07-21 09:30:02,804 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:30:02,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:30:02,804 INFO L85 PathProgramCache]: Analyzing trace with hash -2068834295, now seen corresponding path program 1 times [2022-07-21 09:30:02,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:30:02,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930296535] [2022-07-21 09:30:02,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:30:02,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:30:02,885 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:30:02,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [667178108] [2022-07-21 09:30:02,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:30:02,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:30:02,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:30:02,887 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) [2022-07-21 09:30:02,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-21 09:30:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:30:03,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 2635 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 09:30:03,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:30:03,367 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-07-21 09:30:03,368 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:30:03,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:30:03,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930296535] [2022-07-21 09:30:03,368 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:30:03,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667178108] [2022-07-21 09:30:03,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667178108] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:30:03,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:30:03,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 09:30:03,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609805855] [2022-07-21 09:30:03,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:30:03,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 09:30:03,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:30:03,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 09:30:03,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 09:30:03,371 INFO L87 Difference]: Start difference. First operand 313 states and 449 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-21 09:30:03,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:30:03,660 INFO L93 Difference]: Finished difference Result 573 states and 890 transitions. [2022-07-21 09:30:03,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 09:30:03,661 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 144 [2022-07-21 09:30:03,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:30:03,663 INFO L225 Difference]: With dead ends: 573 [2022-07-21 09:30:03,663 INFO L226 Difference]: Without dead ends: 323 [2022-07-21 09:30:03,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 09:30:03,665 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 7 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1243 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 09:30:03,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1243 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 09:30:03,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2022-07-21 09:30:03,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 315. [2022-07-21 09:30:03,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 194 states have (on average 1.190721649484536) internal successors, (231), 200 states have internal predecessors, (231), 88 states have call successors, (88), 29 states have call predecessors, (88), 32 states have return successors, (132), 85 states have call predecessors, (132), 87 states have call successors, (132) [2022-07-21 09:30:03,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 451 transitions. [2022-07-21 09:30:03,689 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 451 transitions. Word has length 144 [2022-07-21 09:30:03,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:30:03,689 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 451 transitions. [2022-07-21 09:30:03,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-21 09:30:03,689 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 451 transitions. [2022-07-21 09:30:03,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-07-21 09:30:03,691 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:30:03,691 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:30:03,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-21 09:30:03,907 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 [2022-07-21 09:30:03,907 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:30:03,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:30:03,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1546219332, now seen corresponding path program 1 times [2022-07-21 09:30:03,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:30:03,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362442805] [2022-07-21 09:30:03,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:30:03,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:30:03,969 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:30:03,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1047703863] [2022-07-21 09:30:03,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:30:03,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:30:03,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:30:03,971 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) [2022-07-21 09:30:03,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-21 09:30:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:30:04,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 2678 conjuncts, 31 conjunts are in the unsatisfiable core [2022-07-21 09:30:04,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:30:04,591 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-07-21 09:30:04,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:30:04,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:30:04,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362442805] [2022-07-21 09:30:04,592 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:30:04,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047703863] [2022-07-21 09:30:04,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047703863] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:30:04,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:30:04,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-21 09:30:04,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878792125] [2022-07-21 09:30:04,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:30:04,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 09:30:04,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:30:04,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 09:30:04,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-21 09:30:04,593 INFO L87 Difference]: Start difference. First operand 315 states and 451 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 9 states have internal predecessors, (77), 3 states have call successors, (22), 2 states have call predecessors, (22), 6 states have return successors, (20), 5 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-21 09:30:04,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:30:04,926 INFO L93 Difference]: Finished difference Result 562 states and 803 transitions. [2022-07-21 09:30:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 09:30:04,927 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 9 states have internal predecessors, (77), 3 states have call successors, (22), 2 states have call predecessors, (22), 6 states have return successors, (20), 5 states have call predecessors, (20), 3 states have call successors, (20) Word has length 154 [2022-07-21 09:30:04,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:30:04,929 INFO L225 Difference]: With dead ends: 562 [2022-07-21 09:30:04,929 INFO L226 Difference]: Without dead ends: 315 [2022-07-21 09:30:04,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-07-21 09:30:04,931 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 11 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3541 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 09:30:04,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 3541 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 09:30:04,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-07-21 09:30:04,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2022-07-21 09:30:04,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 194 states have (on average 1.190721649484536) internal successors, (231), 200 states have internal predecessors, (231), 88 states have call successors, (88), 29 states have call predecessors, (88), 32 states have return successors, (130), 85 states have call predecessors, (130), 87 states have call successors, (130) [2022-07-21 09:30:04,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 449 transitions. [2022-07-21 09:30:04,951 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 449 transitions. Word has length 154 [2022-07-21 09:30:04,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:30:04,951 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 449 transitions. [2022-07-21 09:30:04,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 9 states have internal predecessors, (77), 3 states have call successors, (22), 2 states have call predecessors, (22), 6 states have return successors, (20), 5 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-21 09:30:04,951 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 449 transitions. [2022-07-21 09:30:04,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-07-21 09:30:04,953 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:30:04,953 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 09:30:04,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-21 09:30:05,179 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 [2022-07-21 09:30:05,180 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:30:05,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:30:05,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1668257282, now seen corresponding path program 1 times [2022-07-21 09:30:05,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:30:05,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030668880] [2022-07-21 09:30:05,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:30:05,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:30:05,251 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:30:05,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1628072004] [2022-07-21 09:30:05,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:30:05,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:30:05,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:30:05,263 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) [2022-07-21 09:30:05,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-21 09:30:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:30:05,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 2674 conjuncts, 48 conjunts are in the unsatisfiable core [2022-07-21 09:30:05,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:30:05,828 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 [2022-07-21 09:30:05,909 INFO L356 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-07-21 09:30:05,910 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 22 treesize of output 21 [2022-07-21 09:30:08,028 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_841 Int) (|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int)) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$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_841)))) is different from true [2022-07-21 09:30:26,090 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-07-21 09:30:26,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:30:26,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:30:26,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030668880] [2022-07-21 09:30:26,091 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:30:26,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628072004] [2022-07-21 09:30:26,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628072004] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:30:26,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:30:26,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-07-21 09:30:26,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258956415] [2022-07-21 09:30:26,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:30:26,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-21 09:30:26,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:30:26,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-21 09:30:26,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=255, Unknown=7, NotChecked=32, Total=342 [2022-07-21 09:30:26,094 INFO L87 Difference]: Start difference. First operand 315 states and 449 transitions. Second operand has 19 states, 17 states have (on average 3.588235294117647) internal successors, (61), 16 states have internal predecessors, (61), 8 states have call successors, (21), 4 states have call predecessors, (21), 7 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2022-07-21 09:30:27,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:30:27,431 INFO L93 Difference]: Finished difference Result 645 states and 944 transitions. [2022-07-21 09:30:27,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-21 09:30:27,432 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 3.588235294117647) internal successors, (61), 16 states have internal predecessors, (61), 8 states have call successors, (21), 4 states have call predecessors, (21), 7 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) Word has length 148 [2022-07-21 09:30:27,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:30:27,435 INFO L225 Difference]: With dead ends: 645 [2022-07-21 09:30:27,435 INFO L226 Difference]: Without dead ends: 393 [2022-07-21 09:30:27,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 129 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 20.2s TimeCoverageRelationStatistics Valid=66, Invalid=393, Unknown=7, NotChecked=40, Total=506 [2022-07-21 09:30:27,437 INFO L413 NwaCegarLoop]: 366 mSDtfsCounter, 194 mSDsluCounter, 1589 mSDsCounter, 0 mSdLazyCounter, 1384 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 1955 SdHoareTripleChecker+Invalid, 3161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1678 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 09:30:27,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 1955 Invalid, 3161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1384 Invalid, 0 Unknown, 1678 Unchecked, 1.2s Time] [2022-07-21 09:30:27,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2022-07-21 09:30:27,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 318. [2022-07-21 09:30:27,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 196 states have (on average 1.1887755102040816) internal successors, (233), 202 states have internal predecessors, (233), 88 states have call successors, (88), 30 states have call predecessors, (88), 33 states have return successors, (129), 85 states have call predecessors, (129), 87 states have call successors, (129) [2022-07-21 09:30:27,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 450 transitions. [2022-07-21 09:30:27,458 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 450 transitions. Word has length 148 [2022-07-21 09:30:27,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:30:27,458 INFO L495 AbstractCegarLoop]: Abstraction has 318 states and 450 transitions. [2022-07-21 09:30:27,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 3.588235294117647) internal successors, (61), 16 states have internal predecessors, (61), 8 states have call successors, (21), 4 states have call predecessors, (21), 7 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2022-07-21 09:30:27,459 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 450 transitions. [2022-07-21 09:30:27,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-07-21 09:30:27,460 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:30:27,461 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1] [2022-07-21 09:30:27,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-21 09:30:27,675 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 [2022-07-21 09:30:27,675 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:30:27,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:30:27,676 INFO L85 PathProgramCache]: Analyzing trace with hash 366669271, now seen corresponding path program 1 times [2022-07-21 09:30:27,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:30:27,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608873203] [2022-07-21 09:30:27,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:30:27,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:30:27,740 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:30:27,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [494560560] [2022-07-21 09:30:27,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:30:27,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:30:27,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:30:27,742 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) [2022-07-21 09:30:27,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-21 09:30:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:30:28,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 2640 conjuncts, 103 conjunts are in the unsatisfiable core [2022-07-21 09:30:28,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:30:30,687 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_970 Int) (|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_969 Int)) (and (= (store |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_970)) |c_#memory_$Pointer$.offset|) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$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_969))))) is different from true [2022-07-21 09:30:46,332 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 133 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-21 09:30:46,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 09:30:50,596 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_983 Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25| Int)) (= (select (select (store |c_#memory_$Pointer$.offset| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25| (store (select |c_#memory_$Pointer$.offset| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25|) 0 v_ArrVal_983)) |c_aws_array_list_pop_front_n_~list#1.base|) (+ 32 |c_aws_array_list_pop_front_n_~list#1.offset|)) 0)) (forall ((v_ArrVal_984 Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25| Int)) (= (select (select (store |c_#memory_$Pointer$.base| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25| (store (select |c_#memory_$Pointer$.base| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25|) 0 v_ArrVal_984)) |c_aws_array_list_pop_front_n_~list#1.base|) (+ 32 |c_aws_array_list_pop_front_n_~list#1.offset|)) 0))) is different from false [2022-07-21 09:30:50,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:30:50,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608873203] [2022-07-21 09:30:50,599 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:30:50,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494560560] [2022-07-21 09:30:50,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494560560] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 09:30:50,599 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-21 09:30:50,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2022-07-21 09:30:50,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297565284] [2022-07-21 09:30:50,599 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-21 09:30:50,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-07-21 09:30:50,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:30:50,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-07-21 09:30:50,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=793, Unknown=5, NotChecked=114, Total=992 [2022-07-21 09:30:50,601 INFO L87 Difference]: Start difference. First operand 318 states and 450 transitions. Second operand has 23 states, 20 states have (on average 3.85) internal successors, (77), 20 states have internal predecessors, (77), 9 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (19), 8 states have call predecessors, (19), 9 states have call successors, (19) [2022-07-21 09:31:12,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:31:12,306 INFO L93 Difference]: Finished difference Result 674 states and 1017 transitions. [2022-07-21 09:31:12,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-07-21 09:31:12,306 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 20 states have (on average 3.85) internal successors, (77), 20 states have internal predecessors, (77), 9 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (19), 8 states have call predecessors, (19), 9 states have call successors, (19) Word has length 144 [2022-07-21 09:31:12,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:31:12,311 INFO L225 Difference]: With dead ends: 674 [2022-07-21 09:31:12,312 INFO L226 Difference]: Without dead ends: 416 [2022-07-21 09:31:12,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 40.0s TimeCoverageRelationStatistics Valid=211, Invalid=1853, Unknown=14, NotChecked=178, Total=2256 [2022-07-21 09:31:12,314 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 180 mSDsluCounter, 2333 mSDsCounter, 0 mSdLazyCounter, 3384 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 2644 SdHoareTripleChecker+Invalid, 5519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2027 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 09:31:12,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 2644 Invalid, 5519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 3384 Invalid, 0 Unknown, 2027 Unchecked, 2.8s Time] [2022-07-21 09:31:12,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2022-07-21 09:31:12,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 341. [2022-07-21 09:31:12,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 211 states have (on average 1.1753554502369667) internal successors, (248), 219 states have internal predecessors, (248), 92 states have call successors, (92), 34 states have call predecessors, (92), 37 states have return successors, (165), 87 states have call predecessors, (165), 91 states have call successors, (165) [2022-07-21 09:31:12,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 505 transitions. [2022-07-21 09:31:12,338 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 505 transitions. Word has length 144 [2022-07-21 09:31:12,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:31:12,339 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 505 transitions. [2022-07-21 09:31:12,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 20 states have (on average 3.85) internal successors, (77), 20 states have internal predecessors, (77), 9 states have call successors, (22), 5 states have call predecessors, (22), 7 states have return successors, (19), 8 states have call predecessors, (19), 9 states have call successors, (19) [2022-07-21 09:31:12,339 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 505 transitions. [2022-07-21 09:31:12,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-07-21 09:31:12,341 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:31:12,341 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1] [2022-07-21 09:31:12,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-21 09:31:12,567 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 [2022-07-21 09:31:12,567 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:31:12,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:31:12,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1382127499, now seen corresponding path program 2 times [2022-07-21 09:31:12,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:31:12,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928793775] [2022-07-21 09:31:12,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:31:12,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:31:12,621 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:31:12,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [125864472] [2022-07-21 09:31:12,622 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 09:31:12,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:31:12,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:31:12,623 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) [2022-07-21 09:31:12,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-21 09:31:13,577 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 09:31:13,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 09:31:13,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 2640 conjuncts, 112 conjunts are in the unsatisfiable core [2022-07-21 09:31:13,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:31:14,651 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1109 (Array Int Int)) (|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_1112 Int) (v_ArrVal_1113 Int)) (and (= (store |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| v_ArrVal_1109) |c_#memory_int|) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_1112))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$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_1113))))) is different from true