./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_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_priority_queue_s_sift_down_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 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 22:31:19,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 22:31:19,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 22:31:19,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 22:31:19,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 22:31:19,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 22:31:19,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 22:31:19,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 22:31:19,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 22:31:19,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 22:31:19,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 22:31:19,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 22:31:19,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 22:31:19,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 22:31:19,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 22:31:19,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 22:31:19,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 22:31:19,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 22:31:19,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 22:31:19,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 22:31:19,712 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 22:31:19,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 22:31:19,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 22:31:19,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 22:31:19,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 22:31:19,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 22:31:19,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 22:31:19,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 22:31:19,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 22:31:19,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 22:31:19,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 22:31:19,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 22:31:19,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 22:31:19,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 22:31:19,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 22:31:19,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 22:31:19,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 22:31:19,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 22:31:19,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 22:31:19,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 22:31:19,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 22:31:19,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 22:31:19,725 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 22:31:19,740 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 22:31:19,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 22:31:19,742 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 22:31:19,743 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 22:31:19,743 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 22:31:19,743 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 22:31:19,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 22:31:19,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 22:31:19,744 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 22:31:19,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 22:31:19,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 22:31:19,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 22:31:19,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 22:31:19,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 22:31:19,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 22:31:19,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 22:31:19,746 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 22:31:19,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 22:31:19,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 22:31:19,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 22:31:19,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 22:31:19,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:31:19,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 22:31:19,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 22:31:19,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 22:31:19,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 22:31:19,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 22:31:19,748 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 22:31:19,748 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 22:31:19,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 22:31:19,749 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 [2022-07-22 22:31:19,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 22:31:19,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 22:31:19,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 22:31:19,968 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 22:31:19,969 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 22:31:19,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2022-07-22 22:31:20,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8db970b5/82383abcd21f42d4be8428126981cbb7/FLAGac507b5ee [2022-07-22 22:31:20,590 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 22:31:20,593 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2022-07-22 22:31:20,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8db970b5/82383abcd21f42d4be8428126981cbb7/FLAGac507b5ee [2022-07-22 22:31:20,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8db970b5/82383abcd21f42d4be8428126981cbb7 [2022-07-22 22:31:20,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 22:31:20,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 22:31:20,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 22:31:20,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 22:31:20,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 22:31:20,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:31:20" (1/1) ... [2022-07-22 22:31:20,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d87b695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:31:20, skipping insertion in model container [2022-07-22 22:31:20,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:31:20" (1/1) ... [2022-07-22 22:31:20,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 22:31:20,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:31:21,045 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_priority_queue_s_sift_down_harness.i[4504,4517] [2022-07-22 22:31:21,051 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_priority_queue_s_sift_down_harness.i[4564,4577] [2022-07-22 22:31:21,535 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,536 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,536 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,537 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,538 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,548 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,548 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,549 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,550 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,552 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,553 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,553 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,553 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,726 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-22 22:31:21,727 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-22 22:31:21,727 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-22 22:31:21,728 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-22 22:31:21,729 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-22 22:31:21,729 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-22 22:31:21,729 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-22 22:31:21,730 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-22 22:31:21,730 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-22 22:31:21,730 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-22 22:31:21,829 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-22 22:31:21,854 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,859 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,862 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,872 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,942 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,943 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,943 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,943 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,945 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,945 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,945 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,947 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,947 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,947 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,947 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,948 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,948 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,952 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,952 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,952 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,953 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,957 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,958 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,967 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,967 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,967 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:21,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:31:22,009 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 22:31:22,025 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_priority_queue_s_sift_down_harness.i[4504,4517] [2022-07-22 22:31:22,026 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_priority_queue_s_sift_down_harness.i[4564,4577] [2022-07-22 22:31:22,062 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,062 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,062 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,063 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,063 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,068 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,068 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,069 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,069 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,070 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,070 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,070 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,071 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,098 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-22 22:31:22,099 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-22 22:31:22,099 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-22 22:31:22,100 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-22 22:31:22,100 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-22 22:31:22,100 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-22 22:31:22,101 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-22 22:31:22,101 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-22 22:31:22,101 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-22 22:31:22,102 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-22 22:31:22,118 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-22 22:31:22,133 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,133 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,134 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,136 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,156 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,156 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,156 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,156 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,157 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,157 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,157 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,157 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,157 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,157 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,158 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,158 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,158 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,158 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,175 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,192 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,192 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,194 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,194 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,197 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,198 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,198 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:22,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:31:22,347 INFO L208 MainTranslator]: Completed translation [2022-07-22 22:31:22,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:31:22 WrapperNode [2022-07-22 22:31:22,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 22:31:22,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 22:31:22,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 22:31:22,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 22:31:22,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:31:22" (1/1) ... [2022-07-22 22:31:22,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:31:22" (1/1) ... [2022-07-22 22:31:22,486 INFO L137 Inliner]: procedures = 697, calls = 1905, calls flagged for inlining = 59, calls inlined = 14, statements flattened = 840 [2022-07-22 22:31:22,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 22:31:22,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 22:31:22,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 22:31:22,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 22:31:22,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:31:22" (1/1) ... [2022-07-22 22:31:22,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:31:22" (1/1) ... [2022-07-22 22:31:22,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:31:22" (1/1) ... [2022-07-22 22:31:22,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:31:22" (1/1) ... [2022-07-22 22:31:22,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:31:22" (1/1) ... [2022-07-22 22:31:22,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:31:22" (1/1) ... [2022-07-22 22:31:22,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:31:22" (1/1) ... [2022-07-22 22:31:22,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 22:31:22,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 22:31:22,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 22:31:22,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 22:31:22,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:31:22" (1/1) ... [2022-07-22 22:31:22,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:31:22,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:31:22,607 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 22:31:22,651 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 22:31:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-07-22 22:31:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-07-22 22:31:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-07-22 22:31:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-07-22 22:31:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 22:31:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-07-22 22:31:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-07-22 22:31:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-07-22 22:31:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-07-22 22:31:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-22 22:31:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-22 22:31:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 22:31:22,662 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-07-22 22:31:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-07-22 22:31:22,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-22 22:31:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-22 22:31:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 22:31:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 22:31:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 22:31:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-07-22 22:31:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-07-22 22:31:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 22:31:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 22:31:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-22 22:31:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-22 22:31:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2022-07-22 22:31:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2022-07-22 22:31:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-07-22 22:31:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-07-22 22:31:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-07-22 22:31:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-07-22 22:31:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-07-22 22:31:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-07-22 22:31:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-07-22 22:31:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-07-22 22:31:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-22 22:31:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-22 22:31:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-07-22 22:31:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-07-22 22:31:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 22:31:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 22:31:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_down [2022-07-22 22:31:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_down [2022-07-22 22:31:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 22:31:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-07-22 22:31:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-07-22 22:31:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-22 22:31:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-22 22:31:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-07-22 22:31:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-07-22 22:31:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 22:31:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-07-22 22:31:22,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-07-22 22:31:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-07-22 22:31:22,674 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-07-22 22:31:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-22 22:31:22,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-22 22:31:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 22:31:22,929 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 22:31:22,930 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 22:31:23,782 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 22:31:23,795 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 22:31:23,796 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-22 22:31:23,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:31:23 BoogieIcfgContainer [2022-07-22 22:31:23,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 22:31:23,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 22:31:23,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 22:31:23,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 22:31:23,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:31:20" (1/3) ... [2022-07-22 22:31:23,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21dc29c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:31:23, skipping insertion in model container [2022-07-22 22:31:23,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:31:22" (2/3) ... [2022-07-22 22:31:23,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21dc29c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:31:23, skipping insertion in model container [2022-07-22 22:31:23,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:31:23" (3/3) ... [2022-07-22 22:31:23,806 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_down_harness.i [2022-07-22 22:31:23,817 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 22:31:23,817 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 22:31:23,883 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 22:31:23,893 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@6c846c65, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@36410451 [2022-07-22 22:31:23,893 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 22:31:23,898 INFO L276 IsEmpty]: Start isEmpty. Operand has 326 states, 197 states have (on average 1.233502538071066) internal successors, (243), 198 states have internal predecessors, (243), 104 states have call successors, (104), 23 states have call predecessors, (104), 23 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2022-07-22 22:31:23,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-22 22:31:23,912 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:31:23,912 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 2, 2, 2, 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, 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 22:31:23,913 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:31:23,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:31:23,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1627804587, now seen corresponding path program 1 times [2022-07-22 22:31:23,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:31:23,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145858070] [2022-07-22 22:31:23,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:31:23,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:31:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:31:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 22:31:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 22:31:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 22:31:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-22 22:31:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 22:31:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 22:31:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-22 22:31:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 22:31:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-22 22:31:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 22:31:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 22:31:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-22 22:31:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 22:31:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 22:31:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 22:31:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-22 22:31:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-22 22:31:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-22 22:31:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-22 22:31:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-22 22:31:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-22 22:31:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-22 22:31:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-22 22:31:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-22 22:31:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-22 22:31:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:24,671 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-07-22 22:31:24,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:31:24,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145858070] [2022-07-22 22:31:24,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145858070] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:31:24,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:31:24,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 22:31:24,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376711934] [2022-07-22 22:31:24,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:31:24,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 22:31:24,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:31:24,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 22:31:24,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 22:31:24,706 INFO L87 Difference]: Start difference. First operand has 326 states, 197 states have (on average 1.233502538071066) internal successors, (243), 198 states have internal predecessors, (243), 104 states have call successors, (104), 23 states have call predecessors, (104), 23 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-22 22:31:25,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:31:25,636 INFO L93 Difference]: Finished difference Result 731 states and 1164 transitions. [2022-07-22 22:31:25,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 22:31:25,638 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 156 [2022-07-22 22:31:25,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:31:25,656 INFO L225 Difference]: With dead ends: 731 [2022-07-22 22:31:25,656 INFO L226 Difference]: Without dead ends: 423 [2022-07-22 22:31:25,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 22:31:25,666 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 127 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 22:31:25,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 647 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 22:31:25,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2022-07-22 22:31:25,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 321. [2022-07-22 22:31:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 193 states have (on average 1.2020725388601037) internal successors, (232), 194 states have internal predecessors, (232), 104 states have call successors, (104), 23 states have call predecessors, (104), 23 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2022-07-22 22:31:25,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 439 transitions. [2022-07-22 22:31:25,761 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 439 transitions. Word has length 156 [2022-07-22 22:31:25,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:31:25,762 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 439 transitions. [2022-07-22 22:31:25,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (27), 4 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-22 22:31:25,762 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 439 transitions. [2022-07-22 22:31:25,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-22 22:31:25,769 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:31:25,770 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 2, 2, 2, 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, 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 22:31:25,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 22:31:25,770 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:31:25,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:31:25,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1159929871, now seen corresponding path program 1 times [2022-07-22 22:31:25,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:31:25,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609416109] [2022-07-22 22:31:25,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:31:25,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:31:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:25,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:31:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:25,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 22:31:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:25,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 22:31:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:25,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 22:31:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:25,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-22 22:31:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:25,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 22:31:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:25,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 22:31:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:25,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-22 22:31:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:25,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 22:31:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-22 22:31:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 22:31:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 22:31:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-22 22:31:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 22:31:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 22:31:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 22:31:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-22 22:31:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-22 22:31:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-22 22:31:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-22 22:31:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-22 22:31:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-22 22:31:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-22 22:31:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-22 22:31:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-22 22:31:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-22 22:31:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,162 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2022-07-22 22:31:26,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:31:26,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609416109] [2022-07-22 22:31:26,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609416109] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 22:31:26,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243229141] [2022-07-22 22:31:26,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:31:26,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:31:26,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:31:26,164 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 22:31:26,165 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 22:31:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:26,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 2330 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 22:31:26,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:31:26,627 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-07-22 22:31:26,628 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:31:26,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243229141] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:31:26,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 22:31:26,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2022-07-22 22:31:26,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631150474] [2022-07-22 22:31:26,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:31:26,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 22:31:26,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:31:26,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 22:31:26,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-22 22:31:26,631 INFO L87 Difference]: Start difference. First operand 321 states and 439 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-22 22:31:26,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:31:26,798 INFO L93 Difference]: Finished difference Result 596 states and 820 transitions. [2022-07-22 22:31:26,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 22:31:26,799 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 156 [2022-07-22 22:31:26,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:31:26,801 INFO L225 Difference]: With dead ends: 596 [2022-07-22 22:31:26,801 INFO L226 Difference]: Without dead ends: 323 [2022-07-22 22:31:26,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 202 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 22:31:26,803 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 456 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 22:31:26,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 1495 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 22:31:26,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2022-07-22 22:31:26,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2022-07-22 22:31:26,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 194 states have (on average 1.2010309278350515) internal successors, (233), 196 states have internal predecessors, (233), 104 states have call successors, (104), 23 states have call predecessors, (104), 24 states have return successors, (107), 103 states have call predecessors, (107), 103 states have call successors, (107) [2022-07-22 22:31:26,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 444 transitions. [2022-07-22 22:31:26,817 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 444 transitions. Word has length 156 [2022-07-22 22:31:26,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:31:26,817 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 444 transitions. [2022-07-22 22:31:26,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-22 22:31:26,818 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 444 transitions. [2022-07-22 22:31:26,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-07-22 22:31:26,819 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:31:26,819 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 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 22:31:26,840 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 22:31:27,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:31:27,031 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:31:27,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:31:27,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1288218285, now seen corresponding path program 1 times [2022-07-22 22:31:27,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:31:27,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415813343] [2022-07-22 22:31:27,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:31:27,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:31:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:31:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 22:31:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 22:31:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 22:31:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-22 22:31:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 22:31:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 22:31:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-22 22:31:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 22:31:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-22 22:31:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 22:31:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 22:31:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-22 22:31:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 22:31:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 22:31:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 22:31:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:31:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-22 22:31:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-22 22:31:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-22 22:31:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-22 22:31:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-22 22:31:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-22 22:31:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-22 22:31:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-22 22:31:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-22 22:31:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-22 22:31:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-07-22 22:31:27,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:31:27,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415813343] [2022-07-22 22:31:27,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415813343] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 22:31:27,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463253729] [2022-07-22 22:31:27,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:31:27,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:31:27,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:31:27,399 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 22:31:27,400 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 22:31:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:27,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 2380 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 22:31:27,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:31:27,865 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-07-22 22:31:27,865 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:31:27,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463253729] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:31:27,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 22:31:27,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2022-07-22 22:31:27,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28341525] [2022-07-22 22:31:27,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:31:27,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 22:31:27,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:31:27,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 22:31:27,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2022-07-22 22:31:27,868 INFO L87 Difference]: Start difference. First operand 323 states and 444 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-22 22:31:28,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:31:28,175 INFO L93 Difference]: Finished difference Result 619 states and 867 transitions. [2022-07-22 22:31:28,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 22:31:28,175 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 164 [2022-07-22 22:31:28,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:31:28,178 INFO L225 Difference]: With dead ends: 619 [2022-07-22 22:31:28,178 INFO L226 Difference]: Without dead ends: 344 [2022-07-22 22:31:28,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2022-07-22 22:31:28,179 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 518 mSDsluCounter, 1779 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 2155 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 22:31:28,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 2155 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 22:31:28,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2022-07-22 22:31:28,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 342. [2022-07-22 22:31:28,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 210 states have (on average 1.2142857142857142) internal successors, (255), 212 states have internal predecessors, (255), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2022-07-22 22:31:28,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 481 transitions. [2022-07-22 22:31:28,193 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 481 transitions. Word has length 164 [2022-07-22 22:31:28,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:31:28,194 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 481 transitions. [2022-07-22 22:31:28,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-07-22 22:31:28,194 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 481 transitions. [2022-07-22 22:31:28,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-07-22 22:31:28,196 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:31:28,196 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:31:28,225 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 22:31:28,415 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,SelfDestructingSolverStorable2 [2022-07-22 22:31:28,416 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:31:28,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:31:28,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1645223367, now seen corresponding path program 1 times [2022-07-22 22:31:28,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:31:28,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421157818] [2022-07-22 22:31:28,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:31:28,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:31:28,473 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:31:28,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [836430881] [2022-07-22 22:31:28,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:31:28,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:31:28,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:31:28,483 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 22:31:28,484 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 22:31:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:28,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 2521 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 22:31:28,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:31:28,954 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-07-22 22:31:28,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:31:28,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:31:28,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421157818] [2022-07-22 22:31:28,955 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:31:28,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836430881] [2022-07-22 22:31:28,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836430881] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:31:28,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:31:28,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 22:31:28,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841237800] [2022-07-22 22:31:28,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:31:28,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 22:31:28,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:31:28,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 22:31:28,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 22:31:28,958 INFO L87 Difference]: Start difference. First operand 342 states and 481 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-22 22:31:29,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:31:29,192 INFO L93 Difference]: Finished difference Result 644 states and 916 transitions. [2022-07-22 22:31:29,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 22:31:29,192 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 179 [2022-07-22 22:31:29,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:31:29,196 INFO L225 Difference]: With dead ends: 644 [2022-07-22 22:31:29,196 INFO L226 Difference]: Without dead ends: 350 [2022-07-22 22:31:29,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-22 22:31:29,198 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 480 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 22:31:29,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 1829 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 22:31:29,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2022-07-22 22:31:29,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 342. [2022-07-22 22:31:29,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 210 states have (on average 1.2142857142857142) internal successors, (255), 212 states have internal predecessors, (255), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2022-07-22 22:31:29,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 481 transitions. [2022-07-22 22:31:29,223 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 481 transitions. Word has length 179 [2022-07-22 22:31:29,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:31:29,224 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 481 transitions. [2022-07-22 22:31:29,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-07-22 22:31:29,224 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 481 transitions. [2022-07-22 22:31:29,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-22 22:31:29,226 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:31:29,227 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:31:29,250 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 22:31:29,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:31:29,436 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:31:29,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:31:29,437 INFO L85 PathProgramCache]: Analyzing trace with hash 706739126, now seen corresponding path program 1 times [2022-07-22 22:31:29,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:31:29,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806853876] [2022-07-22 22:31:29,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:31:29,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:31:29,495 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:31:29,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1624055065] [2022-07-22 22:31:29,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:31:29,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:31:29,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:31:29,496 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 22:31:29,498 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 22:31:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:31:29,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 2593 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-22 22:31:29,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:31:29,954 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-07-22 22:31:29,954 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:31:29,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:31:29,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806853876] [2022-07-22 22:31:29,955 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:31:29,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624055065] [2022-07-22 22:31:29,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624055065] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:31:29,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:31:29,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-22 22:31:29,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121867323] [2022-07-22 22:31:29,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:31:29,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 22:31:29,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:31:29,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 22:31:29,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 22:31:29,973 INFO L87 Difference]: Start difference. First operand 342 states and 481 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2022-07-22 22:31:30,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:31:30,372 INFO L93 Difference]: Finished difference Result 654 states and 929 transitions. [2022-07-22 22:31:30,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 22:31:30,372 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 195 [2022-07-22 22:31:30,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:31:30,374 INFO L225 Difference]: With dead ends: 654 [2022-07-22 22:31:30,374 INFO L226 Difference]: Without dead ends: 360 [2022-07-22 22:31:30,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-07-22 22:31:30,376 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 551 mSDsluCounter, 2087 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 2456 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 22:31:30,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 2456 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 22:31:30,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2022-07-22 22:31:30,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 342. [2022-07-22 22:31:30,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 210 states have (on average 1.2142857142857142) internal successors, (255), 212 states have internal predecessors, (255), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2022-07-22 22:31:30,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 481 transitions. [2022-07-22 22:31:30,390 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 481 transitions. Word has length 195 [2022-07-22 22:31:30,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:31:30,392 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 481 transitions. [2022-07-22 22:31:30,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2022-07-22 22:31:30,392 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 481 transitions. [2022-07-22 22:31:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-07-22 22:31:30,394 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:31:30,394 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:31:30,433 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 22:31:30,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:31:30,616 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:31:30,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:31:30,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1820952612, now seen corresponding path program 2 times [2022-07-22 22:31:30,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:31:30,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260838664] [2022-07-22 22:31:30,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:31:30,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:31:30,667 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:31:30,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1639012067] [2022-07-22 22:31:30,668 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 22:31:30,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:31:30,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:31:30,669 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 22:31:30,670 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 22:31:31,128 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 22:31:31,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 22:31:31,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 2734 conjuncts, 245 conjunts are in the unsatisfiable core [2022-07-22 22:31:31,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:31:31,327 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-07-22 22:31:31,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:31:31,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:31:31,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:31:31,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:31:31,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:31:31,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:31:31,405 INFO L356 Elim1Store]: treesize reduction 12, result has 78.9 percent of original size [2022-07-22 22:31:31,405 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 60 [2022-07-22 22:31:33,039 INFO L356 Elim1Store]: treesize reduction 344, result has 50.1 percent of original size [2022-07-22 22:31:33,040 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 87 select indices, 87 select index equivalence classes, 3655 disjoint index pairs (out of 3741 index pairs), introduced 87 new quantified variables, introduced 86 case distinctions, treesize of input 436 treesize of output 606 [2022-07-22 22:31:46,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:31:46,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260838664] [2022-07-22 22:31:46,502 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:31:46,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639012067] [2022-07-22 22:31:46,502 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-07-22 22:31:46,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-22 22:31:46,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:31:46,716 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.OutOfMemoryError: Requested array size exceeds VM limit at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:682) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildBoundConstraint(DualJunctionTir.java:552) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateConjuncts(DualJunctionTir.java:227) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateOne(DualJunctionTir.java:176) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryExhaustivelyToEliminate(DualJunctionTir.java:141) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminate(DualJunctionTir.java:128) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:611) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:529) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:333) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:187) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:298) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:284) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:248) [2022-07-22 22:31:46,717 INFO L158 Benchmark]: Toolchain (without parser) took 25932.54ms. Allocated memory was 98.6MB in the beginning and 650.1MB in the end (delta: 551.6MB). Free memory was 73.0MB in the beginning and 223.7MB in the end (delta: -150.6MB). Peak memory consumption was 401.6MB. Max. memory is 16.1GB. [2022-07-22 22:31:46,718 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 98.6MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 22:31:46,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1562.83ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 72.8MB in the beginning and 46.0MB in the end (delta: 26.7MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2022-07-22 22:31:46,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.48ms. Allocated memory was 119.5MB in the beginning and 182.5MB in the end (delta: 62.9MB). Free memory was 46.0MB in the beginning and 130.5MB in the end (delta: -84.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 22:31:46,718 INFO L158 Benchmark]: Boogie Preprocessor took 91.10ms. Allocated memory is still 182.5MB. Free memory was 130.5MB in the beginning and 123.1MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 22:31:46,718 INFO L158 Benchmark]: RCFGBuilder took 1215.80ms. Allocated memory is still 182.5MB. Free memory was 123.1MB in the beginning and 118.5MB in the end (delta: 4.6MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2022-07-22 22:31:46,718 INFO L158 Benchmark]: TraceAbstraction took 22916.22ms. Allocated memory was 182.5MB in the beginning and 650.1MB in the end (delta: 467.7MB). Free memory was 118.5MB in the beginning and 223.7MB in the end (delta: -105.2MB). Peak memory consumption was 362.8MB. Max. memory is 16.1GB. [2022-07-22 22:31:46,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 98.6MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1562.83ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 72.8MB in the beginning and 46.0MB in the end (delta: 26.7MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 140.48ms. Allocated memory was 119.5MB in the beginning and 182.5MB in the end (delta: 62.9MB). Free memory was 46.0MB in the beginning and 130.5MB in the end (delta: -84.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.10ms. Allocated memory is still 182.5MB. Free memory was 130.5MB in the beginning and 123.1MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1215.80ms. Allocated memory is still 182.5MB. Free memory was 123.1MB in the beginning and 118.5MB in the end (delta: 4.6MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * TraceAbstraction took 22916.22ms. Allocated memory was 182.5MB in the beginning and 650.1MB in the end (delta: 467.7MB). Free memory was 118.5MB in the beginning and 223.7MB in the end (delta: -105.2MB). Peak memory consumption was 362.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: OutOfMemoryError: Requested array size exceeds VM limit de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: OutOfMemoryError: Requested array size exceeds VM limit: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:682) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-22 22:31:46,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 22:31:48,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 22:31:48,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 22:31:48,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 22:31:48,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 22:31:48,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 22:31:48,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 22:31:48,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 22:31:48,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 22:31:48,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 22:31:48,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 22:31:48,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 22:31:48,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 22:31:48,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 22:31:48,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 22:31:48,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 22:31:48,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 22:31:48,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 22:31:48,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 22:31:48,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 22:31:48,507 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 22:31:48,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 22:31:48,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 22:31:48,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 22:31:48,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 22:31:48,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 22:31:48,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 22:31:48,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 22:31:48,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 22:31:48,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 22:31:48,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 22:31:48,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 22:31:48,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 22:31:48,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 22:31:48,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 22:31:48,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 22:31:48,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 22:31:48,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 22:31:48,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 22:31:48,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 22:31:48,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 22:31:48,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 22:31:48,526 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-22 22:31:48,561 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 22:31:48,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 22:31:48,561 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 22:31:48,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 22:31:48,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 22:31:48,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 22:31:48,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 22:31:48,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 22:31:48,565 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 22:31:48,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 22:31:48,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 22:31:48,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 22:31:48,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 22:31:48,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 22:31:48,565 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 22:31:48,566 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 22:31:48,566 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 22:31:48,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 22:31:48,566 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 22:31:48,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 22:31:48,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 22:31:48,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 22:31:48,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 22:31:48,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:31:48,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 22:31:48,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 22:31:48,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 22:31:48,568 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 22:31:48,568 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 22:31:48,568 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 22:31:48,568 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 22:31:48,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 22:31:48,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 22:31:48,569 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 [2022-07-22 22:31:48,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 22:31:48,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 22:31:48,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 22:31:48,819 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 22:31:48,820 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 22:31:48,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2022-07-22 22:31:48,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0fe11e95/c0dd402ec8204cf1a7c6d46e6e2ee49c/FLAG306eafb9b [2022-07-22 22:31:49,442 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 22:31:49,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2022-07-22 22:31:49,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0fe11e95/c0dd402ec8204cf1a7c6d46e6e2ee49c/FLAG306eafb9b [2022-07-22 22:31:49,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0fe11e95/c0dd402ec8204cf1a7c6d46e6e2ee49c [2022-07-22 22:31:49,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 22:31:49,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 22:31:49,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 22:31:49,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 22:31:49,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 22:31:49,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:31:49" (1/1) ... [2022-07-22 22:31:49,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376f9095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:31:49, skipping insertion in model container [2022-07-22 22:31:49,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:31:49" (1/1) ... [2022-07-22 22:31:49,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 22:31:49,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:31:49,916 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_priority_queue_s_sift_down_harness.i[4504,4517] [2022-07-22 22:31:49,922 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_priority_queue_s_sift_down_harness.i[4564,4577] [2022-07-22 22:31:50,425 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:50,426 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:50,426 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:50,427 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:50,428 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:50,438 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:50,439 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:50,440 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:50,441 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:50,443 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:50,444 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:50,445 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:50,445 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:31:50,627 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-22 22:31:50,628 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-22 22:31:50,629 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-22 22:31:50,630 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-22 22:31:50,631 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-22 22:31:50,631 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-22 22:31:50,632 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-22 22:31:50,633 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-22 22:31:50,637 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-22 22:31:50,639 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-22 22:31:50,719 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-22 22:31:50,745 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ArithmeticException: BigInteger out of int range at java.base/java.math.BigInteger.intValueExact(BigInteger.java:4784) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1009) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:968) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2978) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2836) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2138) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-22 22:31:50,748 INFO L158 Benchmark]: Toolchain (without parser) took 1088.40ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 32.0MB in the beginning and 40.8MB in the end (delta: -8.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-07-22 22:31:50,749 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 22:31:50,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1086.65ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 31.8MB in the beginning and 40.8MB in the end (delta: -9.0MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-07-22 22:31:50,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1086.65ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 31.8MB in the beginning and 40.8MB in the end (delta: -9.0MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of int range de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ArithmeticException: BigInteger out of int range: java.base/java.math.BigInteger.intValueExact(BigInteger.java:4784) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ArithmeticException: BigInteger out of int range