./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 791161d1 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-?-791161d [2022-07-22 22:08:22,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 22:08:22,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 22:08:22,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 22:08:22,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 22:08:22,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 22:08:22,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 22:08:22,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 22:08:22,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 22:08:22,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 22:08:22,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 22:08:22,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 22:08:22,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 22:08:22,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 22:08:22,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 22:08:22,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 22:08:22,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 22:08:22,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 22:08:22,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 22:08:22,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 22:08:22,729 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 22:08:22,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 22:08:22,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 22:08:22,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 22:08:22,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 22:08:22,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 22:08:22,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 22:08:22,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 22:08:22,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 22:08:22,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 22:08:22,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 22:08:22,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 22:08:22,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 22:08:22,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 22:08:22,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 22:08:22,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 22:08:22,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 22:08:22,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 22:08:22,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 22:08:22,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 22:08:22,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 22:08:22,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 22:08:22,751 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 22:08:22,780 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 22:08:22,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 22:08:22,780 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 22:08:22,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 22:08:22,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 22:08:22,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 22:08:22,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 22:08:22,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 22:08:22,782 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 22:08:22,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 22:08:22,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 22:08:22,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 22:08:22,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 22:08:22,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 22:08:22,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 22:08:22,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 22:08:22,784 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 22:08:22,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 22:08:22,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 22:08:22,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 22:08:22,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 22:08:22,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:08:22,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 22:08:22,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 22:08:22,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 22:08:22,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 22:08:22,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 22:08:22,787 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 22:08:22,787 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 22:08:22,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 22:08:22,787 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9017cdb66795bbbd8b9f62f9b398fe29d04e97206adeead5d1f2400c2ca8a92c [2022-07-22 22:08:23,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 22:08:23,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 22:08:23,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 22:08:23,043 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 22:08:23,044 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 22:08:23,045 INFO L432 ainManager$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 [2022-07-22 22:08:23,114 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb9a885dc/927e3b373e2641f280f1d29f9da4a00a/FLAGf1bff238a [2022-07-22 22:08:23,696 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 22:08:23,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_shrink_to_fit_harness.i [2022-07-22 22:08:23,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb9a885dc/927e3b373e2641f280f1d29f9da4a00a/FLAGf1bff238a [2022-07-22 22:08:24,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb9a885dc/927e3b373e2641f280f1d29f9da4a00a [2022-07-22 22:08:24,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 22:08:24,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 22:08:24,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 22:08:24,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 22:08:24,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 22:08:24,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:08:24" (1/1) ... [2022-07-22 22:08:24,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2886bc35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:08:24, skipping insertion in model container [2022-07-22 22:08:24,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:08:24" (1/1) ... [2022-07-22 22:08:24,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 22:08:24,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:08:24,437 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] [2022-07-22 22:08:24,442 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] [2022-07-22 22:08:24,971 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-22 22:08:25,048 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,048 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,049 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,051 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,052 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,062 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,063 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,064 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,065 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,066 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,067 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,068 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,068 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,282 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-22 22:08:25,283 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-22 22:08:25,284 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-22 22:08:25,285 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-22 22:08:25,286 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-22 22:08:25,286 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-22 22:08:25,286 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-22 22:08:25,287 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-22 22:08:25,287 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-22 22:08:25,288 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-22 22:08:25,393 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,394 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,403 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,414 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:08:25,521 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 22:08:25,532 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] [2022-07-22 22:08:25,533 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] [2022-07-22 22:08:25,553 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-22 22:08:25,561 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,562 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,562 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,562 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,563 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,567 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,568 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,568 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,569 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,569 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,570 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,570 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,571 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,605 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-22 22:08:25,606 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-22 22:08:25,606 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-22 22:08:25,607 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-22 22:08:25,608 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-22 22:08:25,608 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-22 22:08:25,608 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-22 22:08:25,609 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-22 22:08:25,609 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-22 22:08:25,609 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-22 22:08:25,636 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,636 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,638 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,641 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:08:25,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:08:25,858 INFO L208 MainTranslator]: Completed translation [2022-07-22 22:08:25,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:08:25 WrapperNode [2022-07-22 22:08:25,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 22:08:25,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 22:08:25,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 22:08:25,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 22:08:25,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:08:25" (1/1) ... [2022-07-22 22:08:25,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:08:25" (1/1) ... [2022-07-22 22:08:26,010 INFO L137 Inliner]: procedures = 687, calls = 1671, calls flagged for inlining = 53, calls inlined = 11, statements flattened = 770 [2022-07-22 22:08:26,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 22:08:26,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 22:08:26,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 22:08:26,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 22:08:26,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:08:25" (1/1) ... [2022-07-22 22:08:26,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:08:25" (1/1) ... [2022-07-22 22:08:26,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:08:25" (1/1) ... [2022-07-22 22:08:26,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:08:25" (1/1) ... [2022-07-22 22:08:26,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:08:25" (1/1) ... [2022-07-22 22:08:26,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:08:25" (1/1) ... [2022-07-22 22:08:26,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:08:25" (1/1) ... [2022-07-22 22:08:26,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 22:08:26,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 22:08:26,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 22:08:26,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 22:08:26,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:08:25" (1/1) ... [2022-07-22 22:08:26,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:08:26,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:08:26,146 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) [2022-07-22 22:08:26,170 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 [2022-07-22 22:08:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure memmove_impl [2022-07-22 22:08:26,190 INFO L138 BoogieDeclarations]: Found implementation of procedure memmove_impl [2022-07-22 22:08:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 22:08:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-07-22 22:08:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-07-22 22:08:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-07-22 22:08:26,191 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-07-22 22:08:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-22 22:08:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-22 22:08:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-07-22 22:08:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-07-22 22:08:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 22:08:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-07-22 22:08:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-07-22 22:08:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-22 22:08:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-22 22:08:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 22:08:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 22:08:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 22:08:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-07-22 22:08:26,195 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-07-22 22:08:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_front_n [2022-07-22 22:08:26,195 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_front_n [2022-07-22 22:08:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 22:08:26,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 22:08:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-22 22:08:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-22 22:08:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-07-22 22:08:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-07-22 22:08:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-07-22 22:08:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-07-22 22:08:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-07-22 22:08:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-07-22 22:08:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-07-22 22:08:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-07-22 22:08:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-07-22 22:08:26,197 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-07-22 22:08:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-22 22:08:26,198 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-22 22:08:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-07-22 22:08:26,199 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-07-22 22:08:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-07-22 22:08:26,199 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-07-22 22:08:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 22:08:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 22:08:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 22:08:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-22 22:08:26,200 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-22 22:08:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-07-22 22:08:26,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-07-22 22:08:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 22:08:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure my_memmove [2022-07-22 22:08:26,201 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memmove [2022-07-22 22:08:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-07-22 22:08:26,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-07-22 22:08:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 22:08:26,514 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 22:08:26,516 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 22:08:27,335 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 22:08:27,349 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 22:08:27,350 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 22:08:27,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:08:27 BoogieIcfgContainer [2022-07-22 22:08:27,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 22:08:27,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 22:08:27,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 22:08:27,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 22:08:27,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:08:24" (1/3) ... [2022-07-22 22:08:27,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5deec80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:08:27, skipping insertion in model container [2022-07-22 22:08:27,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:08:25" (2/3) ... [2022-07-22 22:08:27,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5deec80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:08:27, skipping insertion in model container [2022-07-22 22:08:27,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:08:27" (3/3) ... [2022-07-22 22:08:27,363 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_shrink_to_fit_harness.i [2022-07-22 22:08:27,376 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 22:08:27,376 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 22:08:27,437 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 22:08:27,446 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@1b11d7f6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6c8626d8 [2022-07-22 22:08:27,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 22:08:27,450 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) [2022-07-22 22:08:27,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-22 22:08:27,460 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:08:27,461 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] [2022-07-22 22:08:27,461 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:08:27,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:08:27,466 INFO L85 PathProgramCache]: Analyzing trace with hash 671572415, now seen corresponding path program 1 times [2022-07-22 22:08:27,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:08:27,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957304685] [2022-07-22 22:08:27,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:08:27,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:08:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:08:28,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:08:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:08:28,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 22:08:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:08:28,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 22:08:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:08:28,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 22:08:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:08:28,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 22:08:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:08:28,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 22:08:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:08:28,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-22 22:08:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:08:28,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-22 22:08:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:08:28,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-22 22:08:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:08:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-22 22:08:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:08:28,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 22:08:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:08:28,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-22 22:08:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:08:28,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-22 22:08:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:08:28,269 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-22 22:08:28,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:08:28,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957304685] [2022-07-22 22:08:28,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957304685] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 22:08:28,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753745697] [2022-07-22 22:08:28,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:08:28,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:08:28,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:08:28,276 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) [2022-07-22 22:08:28,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 22:08:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:08:28,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 2071 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 22:08:28,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:08:28,823 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-22 22:08:28,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:08:28,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753745697] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:08:28,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 22:08:28,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2022-07-22 22:08:28,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867406156] [2022-07-22 22:08:28,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:08:28,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 22:08:28,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:08:28,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 22:08:28,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-22 22:08:28,867 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) [2022-07-22 22:08:29,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:08:29,225 INFO L93 Difference]: Finished difference Result 495 states and 721 transitions. [2022-07-22 22:08:29,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 22:08:29,227 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 [2022-07-22 22:08:29,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:08:29,247 INFO L225 Difference]: With dead ends: 495 [2022-07-22 22:08:29,248 INFO L226 Difference]: Without dead ends: 247 [2022-07-22 22:08:29,257 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 [2022-07-22 22:08:29,263 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 [2022-07-22 22:08:29,266 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] [2022-07-22 22:08:29,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-07-22 22:08:29,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2022-07-22 22:08:29,338 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) [2022-07-22 22:08:29,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 340 transitions. [2022-07-22 22:08:29,347 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 340 transitions. Word has length 82 [2022-07-22 22:08:29,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:08:29,348 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 340 transitions. [2022-07-22 22:08:29,348 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) [2022-07-22 22:08:29,349 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 340 transitions. [2022-07-22 22:08:29,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-22 22:08:29,361 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:08:29,361 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] [2022-07-22 22:08:29,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 22:08:29,583 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 [2022-07-22 22:08:29,584 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:08:29,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:08:29,584 INFO L85 PathProgramCache]: Analyzing trace with hash 82360988, now seen corresponding path program 1 times [2022-07-22 22:08:29,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:08:29,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606034437] [2022-07-22 22:08:29,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:08:29,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:08:29,651 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:08:29,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1851483271] [2022-07-22 22:08:29,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:08:29,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:08:29,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:08:29,654 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) [2022-07-22 22:08:29,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 22:08:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:08:30,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 2207 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 22:08:30,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:08:30,080 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-22 22:08:30,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:08:30,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:08:30,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606034437] [2022-07-22 22:08:30,081 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:08:30,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851483271] [2022-07-22 22:08:30,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851483271] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:08:30,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:08:30,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 22:08:30,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846630230] [2022-07-22 22:08:30,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:08:30,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 22:08:30,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:08:30,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 22:08:30,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 22:08:30,085 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) [2022-07-22 22:08:30,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:08:30,150 INFO L93 Difference]: Finished difference Result 473 states and 668 transitions. [2022-07-22 22:08:30,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 22:08:30,150 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 [2022-07-22 22:08:30,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:08:30,157 INFO L225 Difference]: With dead ends: 473 [2022-07-22 22:08:30,157 INFO L226 Difference]: Without dead ends: 252 [2022-07-22 22:08:30,158 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 [2022-07-22 22:08:30,159 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 [2022-07-22 22:08:30,160 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] [2022-07-22 22:08:30,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-07-22 22:08:30,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 249. [2022-07-22 22:08:30,192 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) [2022-07-22 22:08:30,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 342 transitions. [2022-07-22 22:08:30,194 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 342 transitions. Word has length 97 [2022-07-22 22:08:30,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:08:30,195 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 342 transitions. [2022-07-22 22:08:30,195 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) [2022-07-22 22:08:30,195 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 342 transitions. [2022-07-22 22:08:30,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-22 22:08:30,196 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:08:30,197 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] [2022-07-22 22:08:30,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 22:08:30,408 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 [2022-07-22 22:08:30,409 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:08:30,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:08:30,409 INFO L85 PathProgramCache]: Analyzing trace with hash -793658018, now seen corresponding path program 1 times [2022-07-22 22:08:30,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:08:30,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708908226] [2022-07-22 22:08:30,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:08:30,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:08:30,471 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:08:30,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [659759025] [2022-07-22 22:08:30,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:08:30,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:08:30,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:08:30,480 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) [2022-07-22 22:08:30,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 22:08:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:08:30,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 2212 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 22:08:30,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:08:30,939 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-22 22:08:30,939 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:08:30,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:08:30,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708908226] [2022-07-22 22:08:30,940 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:08:30,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659759025] [2022-07-22 22:08:30,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659759025] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:08:30,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:08:30,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 22:08:30,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010063575] [2022-07-22 22:08:30,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:08:30,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 22:08:30,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:08:30,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 22:08:30,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-22 22:08:30,942 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) [2022-07-22 22:08:31,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:08:31,412 INFO L93 Difference]: Finished difference Result 467 states and 640 transitions. [2022-07-22 22:08:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 22:08:31,412 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 [2022-07-22 22:08:31,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:08:31,415 INFO L225 Difference]: With dead ends: 467 [2022-07-22 22:08:31,415 INFO L226 Difference]: Without dead ends: 249 [2022-07-22 22:08:31,416 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 [2022-07-22 22:08:31,417 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 [2022-07-22 22:08:31,417 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] [2022-07-22 22:08:31,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-07-22 22:08:31,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-07-22 22:08:31,468 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) [2022-07-22 22:08:31,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 339 transitions. [2022-07-22 22:08:31,477 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 339 transitions. Word has length 97 [2022-07-22 22:08:31,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:08:31,478 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 339 transitions. [2022-07-22 22:08:31,478 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) [2022-07-22 22:08:31,478 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 339 transitions. [2022-07-22 22:08:31,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-22 22:08:31,479 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:08:31,480 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] [2022-07-22 22:08:31,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-22 22:08:31,680 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 [2022-07-22 22:08:31,681 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:08:31,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:08:31,681 INFO L85 PathProgramCache]: Analyzing trace with hash -599596947, now seen corresponding path program 2 times [2022-07-22 22:08:31,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:08:31,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363873929] [2022-07-22 22:08:31,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:08:31,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:08:31,749 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:08:31,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1941801175] [2022-07-22 22:08:31,750 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 22:08:31,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:08:31,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:08:31,751 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) [2022-07-22 22:08:31,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 22:08:32,152 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 22:08:32,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 22:08:32,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 2353 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-22 22:08:32,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:08:32,290 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-22 22:08:32,290 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:08:32,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:08:32,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363873929] [2022-07-22 22:08:32,290 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:08:32,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941801175] [2022-07-22 22:08:32,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941801175] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:08:32,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:08:32,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 22:08:32,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466037878] [2022-07-22 22:08:32,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:08:32,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 22:08:32,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:08:32,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 22:08:32,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-22 22:08:32,293 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) [2022-07-22 22:08:32,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:08:32,825 INFO L93 Difference]: Finished difference Result 464 states and 632 transitions. [2022-07-22 22:08:32,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 22:08:32,825 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 [2022-07-22 22:08:32,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:08:32,833 INFO L225 Difference]: With dead ends: 464 [2022-07-22 22:08:32,833 INFO L226 Difference]: Without dead ends: 249 [2022-07-22 22:08:32,834 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 [2022-07-22 22:08:32,835 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 364 mSDsluCounter, 1584 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2022-07-22 22:08:32,835 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] [2022-07-22 22:08:32,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-07-22 22:08:32,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-07-22 22:08:32,853 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) [2022-07-22 22:08:32,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 337 transitions. [2022-07-22 22:08:32,856 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 337 transitions. Word has length 112 [2022-07-22 22:08:32,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:08:32,857 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 337 transitions. [2022-07-22 22:08:32,857 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) [2022-07-22 22:08:32,857 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 337 transitions. [2022-07-22 22:08:32,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-07-22 22:08:32,858 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:08:32,859 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] [2022-07-22 22:08:32,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-22 22:08:33,076 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 [2022-07-22 22:08:33,077 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:08:33,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:08:33,077 INFO L85 PathProgramCache]: Analyzing trace with hash 167340177, now seen corresponding path program 1 times [2022-07-22 22:08:33,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:08:33,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784786757] [2022-07-22 22:08:33,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:08:33,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:08:33,139 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:08:33,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1709244927] [2022-07-22 22:08:33,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:08:33,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:08:33,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:08:33,141 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) [2022-07-22 22:08:33,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-22 22:08:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:08:33,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 2635 conjuncts, 283 conjunts are in the unsatisfiable core [2022-07-22 22:08:33,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:08:33,909 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 [2022-07-22 22:08:34,173 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 [2022-07-22 22:08:34,211 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 [2022-07-22 22:08:34,562 INFO L356 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2022-07-22 22:08:34,563 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 [2022-07-22 22:09:00,956 INFO L356 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2022-07-22 22:09:00,957 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 [2022-07-22 22:09:00,966 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 [2022-07-22 22:09:31,813 WARN L233 SmtUtils]: Spent 12.65s on a formula simplification. DAG size of input: 55 DAG size of output: 52 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-22 22:09:32,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 22:09:32,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:32,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:32,028 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 228 [2022-07-22 22:09:32,135 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 22:09:32,135 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 233 treesize of output 273 [2022-07-22 22:09:42,539 INFO L356 Elim1Store]: treesize reduction 75, result has 19.4 percent of original size [2022-07-22 22:09:42,540 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 78 treesize of output 86 [2022-07-22 22:09:42,578 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-07-22 22:09:42,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:42,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:42,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:42,656 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-07-22 22:09:43,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:43,202 INFO L356 Elim1Store]: treesize reduction 46, result has 37.0 percent of original size [2022-07-22 22:09:43,202 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 225 treesize of output 236 [2022-07-22 22:09:43,216 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-07-22 22:09:43,239 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-07-22 22:09:43,247 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-07-22 22:09:43,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:43,280 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 90 [2022-07-22 22:09:43,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:43,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:43,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:43,637 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 108 [2022-07-22 22:09:44,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:44,163 INFO L356 Elim1Store]: treesize reduction 61, result has 16.4 percent of original size [2022-07-22 22:09:44,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 279 treesize of output 279 [2022-07-22 22:09:44,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2022-07-22 22:09:44,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:44,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:44,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:44,217 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 113 [2022-07-22 22:09:44,451 INFO L356 Elim1Store]: treesize reduction 45, result has 28.6 percent of original size [2022-07-22 22:09:44,451 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 78 treesize of output 86 [2022-07-22 22:09:44,620 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-07-22 22:09:44,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:44,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:44,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:44,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-07-22 22:09:45,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:45,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:45,444 INFO L356 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2022-07-22 22:09:45,445 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 118 treesize of output 124 [2022-07-22 22:09:45,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-07-22 22:09:45,482 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-07-22 22:09:45,668 INFO L356 Elim1Store]: treesize reduction 73, result has 27.0 percent of original size [2022-07-22 22:09:45,669 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 1221 treesize of output 1196 [2022-07-22 22:09:45,706 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-07-22 22:09:45,722 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-07-22 22:09:45,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:45,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:45,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:45,858 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 946 treesize of output 846 [2022-07-22 22:09:48,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:48,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:48,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:48,645 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 74 [2022-07-22 22:09:49,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:49,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:49,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:09:49,326 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 113 [2022-07-22 22:09:49,575 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-07-22 22:09:49,576 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 63 treesize of output 66 [2022-07-22 22:09:49,644 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-07-22 22:10:09,272 WARN L233 SmtUtils]: Spent 8.82s on a formula simplification. DAG size of input: 217 DAG size of output: 163 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-22 22:11:54,711 WARN L233 SmtUtils]: Spent 7.50s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)