./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_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 d8b9169d0d63d8238da177db4999afabb0efa6e97e1e7cd257e8474f76788f17 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 09:48:42,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 09:48:42,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 09:48:42,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 09:48:42,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 09:48:42,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 09:48:42,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 09:48:42,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 09:48:42,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 09:48:42,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 09:48:42,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 09:48:42,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 09:48:42,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 09:48:42,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 09:48:42,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 09:48:42,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 09:48:42,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 09:48:42,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 09:48:42,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 09:48:42,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 09:48:42,698 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 09:48:42,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 09:48:42,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 09:48:42,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 09:48:42,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 09:48:42,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 09:48:42,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 09:48:42,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 09:48:42,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 09:48:42,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 09:48:42,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 09:48:42,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 09:48:42,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 09:48:42,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 09:48:42,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 09:48:42,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 09:48:42,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 09:48:42,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 09:48:42,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 09:48:42,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 09:48:42,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 09:48:42,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 09:48:42,730 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 09:48:42,762 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 09:48:42,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 09:48:42,763 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 09:48:42,763 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 09:48:42,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 09:48:42,764 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 09:48:42,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 09:48:42,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 09:48:42,766 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 09:48:42,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 09:48:42,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 09:48:42,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 09:48:42,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 09:48:42,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 09:48:42,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 09:48:42,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 09:48:42,768 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 09:48:42,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 09:48:42,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 09:48:42,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 09:48:42,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 09:48:42,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:48:42,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 09:48:42,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 09:48:42,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 09:48:42,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 09:48:42,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 09:48:42,770 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 09:48:42,770 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 09:48:42,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 09:48:42,771 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8b9169d0d63d8238da177db4999afabb0efa6e97e1e7cd257e8474f76788f17 [2022-07-21 09:48:43,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 09:48:43,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 09:48:43,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 09:48:43,108 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 09:48:43,108 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 09:48:43,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2022-07-21 09:48:43,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb210464f/1aad3e3eccce4838939db279947f3aa9/FLAG2b6e091a3 [2022-07-21 09:48:43,832 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 09:48:43,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2022-07-21 09:48:43,868 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb210464f/1aad3e3eccce4838939db279947f3aa9/FLAG2b6e091a3 [2022-07-21 09:48:43,970 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb210464f/1aad3e3eccce4838939db279947f3aa9 [2022-07-21 09:48:43,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 09:48:43,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 09:48:43,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 09:48:43,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 09:48:43,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 09:48:43,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:48:43" (1/1) ... [2022-07-21 09:48:43,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75df0f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:43, skipping insertion in model container [2022-07-21 09:48:43,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:48:43" (1/1) ... [2022-07-21 09:48:43,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 09:48:44,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 09:48:44,342 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_push_harness.i[4497,4510] [2022-07-21 09:48:44,348 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_push_harness.i[4557,4570] [2022-07-21 09:48:45,017 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,020 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,021 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,021 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,023 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,041 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,046 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,050 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,052 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,054 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,056 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,057 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,058 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,293 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-21 09:48:45,294 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-21 09:48:45,294 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-21 09:48:45,295 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-21 09:48:45,296 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-21 09:48:45,297 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-21 09:48:45,297 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-21 09:48:45,298 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-21 09:48:45,298 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-21 09:48:45,298 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-21 09:48:45,389 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-21 09:48:45,408 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,412 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,465 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,465 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,465 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,466 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,466 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,466 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,467 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,468 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,468 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,468 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,469 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,469 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,469 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,473 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,475 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,475 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,475 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,481 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,482 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,487 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,488 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,488 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:48:45,519 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 09:48:45,551 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_push_harness.i[4497,4510] [2022-07-21 09:48:45,552 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_push_harness.i[4557,4570] [2022-07-21 09:48:45,595 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,596 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,596 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,596 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,597 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,605 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,605 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,606 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,606 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,607 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,608 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,608 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,608 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,648 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-21 09:48:45,648 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-21 09:48:45,649 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-21 09:48:45,650 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-21 09:48:45,650 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-21 09:48:45,651 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-21 09:48:45,651 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-21 09:48:45,652 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-21 09:48:45,652 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-21 09:48:45,652 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-21 09:48:45,681 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-21 09:48:45,711 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,715 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,745 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,748 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,748 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,748 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,749 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,749 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,750 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,750 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,750 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,751 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,751 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,752 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,752 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,753 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,754 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,754 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,755 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,756 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,757 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,767 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,767 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,768 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:48:45,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 09:48:46,024 INFO L208 MainTranslator]: Completed translation [2022-07-21 09:48:46,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:46 WrapperNode [2022-07-21 09:48:46,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 09:48:46,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 09:48:46,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 09:48:46,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 09:48:46,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:46" (1/1) ... [2022-07-21 09:48:46,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:46" (1/1) ... [2022-07-21 09:48:46,254 INFO L137 Inliner]: procedures = 697, calls = 1879, calls flagged for inlining = 60, calls inlined = 19, statements flattened = 1163 [2022-07-21 09:48:46,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 09:48:46,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 09:48:46,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 09:48:46,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 09:48:46,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:46" (1/1) ... [2022-07-21 09:48:46,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:46" (1/1) ... [2022-07-21 09:48:46,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:46" (1/1) ... [2022-07-21 09:48:46,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:46" (1/1) ... [2022-07-21 09:48:46,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:46" (1/1) ... [2022-07-21 09:48:46,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:46" (1/1) ... [2022-07-21 09:48:46,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:46" (1/1) ... [2022-07-21 09:48:46,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 09:48:46,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 09:48:46,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 09:48:46,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 09:48:46,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:46" (1/1) ... [2022-07-21 09:48:46,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:48:46,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:48:46,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 09:48:46,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 09:48:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-07-21 09:48:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-07-21 09:48:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2022-07-21 09:48:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2022-07-21 09:48:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-07-21 09:48:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-07-21 09:48:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 09:48:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-07-21 09:48:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-07-21 09:48:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-07-21 09:48:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-07-21 09:48:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-21 09:48:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-21 09:48:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-07-21 09:48:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-07-21 09:48:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-07-21 09:48:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-07-21 09:48:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 09:48:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-07-21 09:48:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-07-21 09:48:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-21 09:48:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-21 09:48:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 09:48:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 09:48:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 09:48:46,472 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-07-21 09:48:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-07-21 09:48:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-07-21 09:48:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-07-21 09:48:46,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 09:48:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 09:48:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-21 09:48:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-21 09:48:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-07-21 09:48:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-07-21 09:48:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-07-21 09:48:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-07-21 09:48:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-07-21 09:48:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-07-21 09:48:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-07-21 09:48:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-07-21 09:48:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-07-21 09:48:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-07-21 09:48:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 09:48:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 09:48:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 09:48:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 09:48:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-07-21 09:48:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-07-21 09:48:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2022-07-21 09:48:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2022-07-21 09:48:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-07-21 09:48:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-07-21 09:48:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 09:48:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-07-21 09:48:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-07-21 09:48:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 09:48:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 09:48:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-07-21 09:48:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-07-21 09:48:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-21 09:48:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-21 09:48:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-07-21 09:48:46,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-07-21 09:48:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-07-21 09:48:46,489 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-07-21 09:48:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 09:48:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-07-21 09:48:46,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-07-21 09:48:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2022-07-21 09:48:46,490 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2022-07-21 09:48:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-07-21 09:48:46,490 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-07-21 09:48:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 09:48:46,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 09:48:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 09:48:46,865 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 09:48:46,868 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 09:48:48,051 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 09:48:48,068 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 09:48:48,068 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-21 09:48:48,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:48:48 BoogieIcfgContainer [2022-07-21 09:48:48,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 09:48:48,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 09:48:48,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 09:48:48,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 09:48:48,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 09:48:43" (1/3) ... [2022-07-21 09:48:48,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2964fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:48:48, skipping insertion in model container [2022-07-21 09:48:48,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:48:46" (2/3) ... [2022-07-21 09:48:48,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2964fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 09:48:48, skipping insertion in model container [2022-07-21 09:48:48,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 09:48:48" (3/3) ... [2022-07-21 09:48:48,080 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_harness.i [2022-07-21 09:48:48,093 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 09:48:48,093 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-21 09:48:48,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 09:48:48,200 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@33917992, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1e14332d [2022-07-21 09:48:48,201 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-21 09:48:48,210 INFO L276 IsEmpty]: Start isEmpty. Operand has 545 states, 315 states have (on average 1.253968253968254) internal successors, (395), 318 states have internal predecessors, (395), 196 states have call successors, (196), 32 states have call predecessors, (196), 32 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2022-07-21 09:48:48,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-21 09:48:48,230 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:48:48,231 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 09:48:48,232 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:48:48,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:48:48,238 INFO L85 PathProgramCache]: Analyzing trace with hash 366145985, now seen corresponding path program 1 times [2022-07-21 09:48:48,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:48:48,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002248354] [2022-07-21 09:48:48,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:48:48,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:48:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:48,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:48:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:48,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 09:48:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:48,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 09:48:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:48,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 09:48:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:48,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 09:48:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:48,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 09:48:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:48,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 09:48:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:48,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 09:48:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:48,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 09:48:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:48,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-21 09:48:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:48,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 09:48:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:48,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 09:48:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:48,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:48:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:48,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 09:48:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:48,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 09:48:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:48,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 09:48:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:48,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 09:48:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:49,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 09:48:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:49,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 09:48:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:49,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 09:48:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:49,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-21 09:48:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:49,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 09:48:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:49,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 09:48:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:49,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 09:48:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:49,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 09:48:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:49,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 09:48:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:49,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 09:48:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-07-21 09:48:49,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:48:49,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002248354] [2022-07-21 09:48:49,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002248354] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:48:49,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:48:49,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 09:48:49,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133368195] [2022-07-21 09:48:49,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:48:49,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 09:48:49,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:48:49,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 09:48:49,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-21 09:48:49,176 INFO L87 Difference]: Start difference. First operand has 545 states, 315 states have (on average 1.253968253968254) internal successors, (395), 318 states have internal predecessors, (395), 196 states have call successors, (196), 32 states have call predecessors, (196), 32 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-21 09:48:50,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:48:50,409 INFO L93 Difference]: Finished difference Result 1235 states and 2048 transitions. [2022-07-21 09:48:50,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 09:48:50,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 167 [2022-07-21 09:48:50,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:48:50,438 INFO L225 Difference]: With dead ends: 1235 [2022-07-21 09:48:50,438 INFO L226 Difference]: Without dead ends: 696 [2022-07-21 09:48:50,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-21 09:48:50,451 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 333 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 584 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 584 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 09:48:50,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 1061 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [584 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 09:48:50,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2022-07-21 09:48:50,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 538. [2022-07-21 09:48:50,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 309 states have (on average 1.2362459546925566) internal successors, (382), 311 states have internal predecessors, (382), 196 states have call successors, (196), 32 states have call predecessors, (196), 31 states have return successors, (194), 194 states have call predecessors, (194), 194 states have call successors, (194) [2022-07-21 09:48:50,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 772 transitions. [2022-07-21 09:48:50,592 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 772 transitions. Word has length 167 [2022-07-21 09:48:50,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:48:50,593 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 772 transitions. [2022-07-21 09:48:50,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-21 09:48:50,593 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 772 transitions. [2022-07-21 09:48:50,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-21 09:48:50,603 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:48:50,604 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 09:48:50,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 09:48:50,604 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:48:50,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:48:50,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1489247165, now seen corresponding path program 1 times [2022-07-21 09:48:50,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:48:50,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296403216] [2022-07-21 09:48:50,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:48:50,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:48:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:50,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:48:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:50,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 09:48:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:50,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 09:48:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:50,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 09:48:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:50,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 09:48:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:50,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 09:48:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:50,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 09:48:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:50,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 09:48:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:50,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 09:48:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:50,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-21 09:48:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 09:48:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 09:48:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:48:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 09:48:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 09:48:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 09:48:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 09:48:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 09:48:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 09:48:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 09:48:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-21 09:48:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 09:48:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 09:48:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 09:48:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 09:48:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 09:48:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 09:48:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,156 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2022-07-21 09:48:51,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:48:51,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296403216] [2022-07-21 09:48:51,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296403216] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 09:48:51,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084342395] [2022-07-21 09:48:51,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:48:51,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:48:51,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:48:51,163 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:48:51,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 09:48:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:51,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 2438 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 09:48:51,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:48:51,828 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-07-21 09:48:51,833 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:48:51,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084342395] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:48:51,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 09:48:51,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2022-07-21 09:48:51,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66498362] [2022-07-21 09:48:51,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:48:51,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 09:48:51,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:48:51,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 09:48:51,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-07-21 09:48:51,837 INFO L87 Difference]: Start difference. First operand 538 states and 772 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-21 09:48:52,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:48:52,191 INFO L93 Difference]: Finished difference Result 1045 states and 1512 transitions. [2022-07-21 09:48:52,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 09:48:52,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 167 [2022-07-21 09:48:52,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:48:52,196 INFO L225 Difference]: With dead ends: 1045 [2022-07-21 09:48:52,197 INFO L226 Difference]: Without dead ends: 540 [2022-07-21 09:48:52,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-07-21 09:48:52,201 INFO L413 NwaCegarLoop]: 703 mSDtfsCounter, 798 mSDsluCounter, 1996 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 806 SdHoareTripleChecker+Valid, 2699 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 09:48:52,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [806 Valid, 2699 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 09:48:52,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2022-07-21 09:48:52,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2022-07-21 09:48:52,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 310 states have (on average 1.235483870967742) internal successors, (383), 313 states have internal predecessors, (383), 196 states have call successors, (196), 32 states have call predecessors, (196), 32 states have return successors, (204), 194 states have call predecessors, (204), 194 states have call successors, (204) [2022-07-21 09:48:52,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 783 transitions. [2022-07-21 09:48:52,236 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 783 transitions. Word has length 167 [2022-07-21 09:48:52,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:48:52,236 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 783 transitions. [2022-07-21 09:48:52,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-21 09:48:52,237 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 783 transitions. [2022-07-21 09:48:52,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-07-21 09:48:52,239 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:48:52,239 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 4, 4, 4, 3, 3, 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] [2022-07-21 09:48:52,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-21 09:48:52,455 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 [2022-07-21 09:48:52,456 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:48:52,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:48:52,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1823728084, now seen corresponding path program 1 times [2022-07-21 09:48:52,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:48:52,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119337700] [2022-07-21 09:48:52,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:48:52,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:48:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:48:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 09:48:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 09:48:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 09:48:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 09:48:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 09:48:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 09:48:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 09:48:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 09:48:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-21 09:48:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 09:48:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-21 09:48:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 09:48:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 09:48:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-21 09:48:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 09:48:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-21 09:48:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 09:48:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 09:48:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 09:48:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 09:48:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 09:48:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-21 09:48:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 09:48:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-21 09:48:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 09:48:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 09:48:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 09:48:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:52,934 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2022-07-21 09:48:52,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:48:52,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119337700] [2022-07-21 09:48:52,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119337700] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 09:48:52,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759598896] [2022-07-21 09:48:52,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:48:52,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:48:52,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:48:52,937 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:48:52,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 09:48:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:53,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 2488 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 09:48:53,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:48:53,538 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-07-21 09:48:53,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:48:53,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759598896] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:48:53,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 09:48:53,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2022-07-21 09:48:53,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855549601] [2022-07-21 09:48:53,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:48:53,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 09:48:53,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:48:53,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 09:48:53,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2022-07-21 09:48:53,541 INFO L87 Difference]: Start difference. First operand 540 states and 783 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-07-21 09:48:54,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:48:54,286 INFO L93 Difference]: Finished difference Result 1068 states and 1592 transitions. [2022-07-21 09:48:54,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 09:48:54,287 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 175 [2022-07-21 09:48:54,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:48:54,294 INFO L225 Difference]: With dead ends: 1068 [2022-07-21 09:48:54,294 INFO L226 Difference]: Without dead ends: 561 [2022-07-21 09:48:54,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-07-21 09:48:54,297 INFO L413 NwaCegarLoop]: 671 mSDtfsCounter, 839 mSDsluCounter, 3166 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 899 SdHoareTripleChecker+Valid, 3837 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 09:48:54,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [899 Valid, 3837 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 09:48:54,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2022-07-21 09:48:54,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 559. [2022-07-21 09:48:54,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 326 states have (on average 1.2423312883435582) internal successors, (405), 329 states have internal predecessors, (405), 198 states have call successors, (198), 32 states have call predecessors, (198), 33 states have return successors, (238), 197 states have call predecessors, (238), 196 states have call successors, (238) [2022-07-21 09:48:54,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 841 transitions. [2022-07-21 09:48:54,350 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 841 transitions. Word has length 175 [2022-07-21 09:48:54,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:48:54,350 INFO L495 AbstractCegarLoop]: Abstraction has 559 states and 841 transitions. [2022-07-21 09:48:54,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-07-21 09:48:54,351 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 841 transitions. [2022-07-21 09:48:54,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-21 09:48:54,355 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:48:54,356 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 4, 4, 3, 3, 3, 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] [2022-07-21 09:48:54,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-21 09:48:54,583 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 [2022-07-21 09:48:54,584 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:48:54,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:48:54,584 INFO L85 PathProgramCache]: Analyzing trace with hash 448672907, now seen corresponding path program 1 times [2022-07-21 09:48:54,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:48:54,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358143607] [2022-07-21 09:48:54,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:48:54,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:48:54,657 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:48:54,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [169333537] [2022-07-21 09:48:54,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:48:54,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:48:54,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:48:54,659 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:48:54,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 09:48:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:55,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 2629 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 09:48:55,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:48:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2022-07-21 09:48:55,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:48:55,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:48:55,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358143607] [2022-07-21 09:48:55,255 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:48:55,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169333537] [2022-07-21 09:48:55,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169333537] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:48:55,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:48:55,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 09:48:55,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906967576] [2022-07-21 09:48:55,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:48:55,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 09:48:55,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:48:55,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 09:48:55,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 09:48:55,258 INFO L87 Difference]: Start difference. First operand 559 states and 841 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2022-07-21 09:48:55,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:48:55,718 INFO L93 Difference]: Finished difference Result 1093 states and 1674 transitions. [2022-07-21 09:48:55,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 09:48:55,719 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 190 [2022-07-21 09:48:55,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:48:55,723 INFO L225 Difference]: With dead ends: 1093 [2022-07-21 09:48:55,724 INFO L226 Difference]: Without dead ends: 567 [2022-07-21 09:48:55,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-21 09:48:55,728 INFO L413 NwaCegarLoop]: 697 mSDtfsCounter, 822 mSDsluCounter, 2644 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 830 SdHoareTripleChecker+Valid, 3341 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 09:48:55,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [830 Valid, 3341 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 09:48:55,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2022-07-21 09:48:55,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 559. [2022-07-21 09:48:55,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 326 states have (on average 1.2423312883435582) internal successors, (405), 329 states have internal predecessors, (405), 198 states have call successors, (198), 32 states have call predecessors, (198), 33 states have return successors, (238), 197 states have call predecessors, (238), 196 states have call successors, (238) [2022-07-21 09:48:55,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 841 transitions. [2022-07-21 09:48:55,765 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 841 transitions. Word has length 190 [2022-07-21 09:48:55,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:48:55,766 INFO L495 AbstractCegarLoop]: Abstraction has 559 states and 841 transitions. [2022-07-21 09:48:55,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2022-07-21 09:48:55,766 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 841 transitions. [2022-07-21 09:48:55,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-21 09:48:55,783 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:48:55,784 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2022-07-21 09:48:55,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 09:48:56,007 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 [2022-07-21 09:48:56,008 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:48:56,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:48:56,008 INFO L85 PathProgramCache]: Analyzing trace with hash 478941137, now seen corresponding path program 1 times [2022-07-21 09:48:56,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:48:56,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424928530] [2022-07-21 09:48:56,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:48:56,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:48:56,086 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:48:56,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1908538234] [2022-07-21 09:48:56,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:48:56,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:48:56,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:48:56,089 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:48:56,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 09:48:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:56,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 2701 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 09:48:56,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:48:56,679 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-07-21 09:48:56,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:48:56,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:48:56,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424928530] [2022-07-21 09:48:56,680 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:48:56,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908538234] [2022-07-21 09:48:56,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908538234] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:48:56,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:48:56,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 09:48:56,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432797851] [2022-07-21 09:48:56,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:48:56,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 09:48:56,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:48:56,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 09:48:56,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 09:48:56,683 INFO L87 Difference]: Start difference. First operand 559 states and 841 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 9 states have internal predecessors, (90), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2022-07-21 09:48:57,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:48:57,465 INFO L93 Difference]: Finished difference Result 1103 states and 1681 transitions. [2022-07-21 09:48:57,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 09:48:57,466 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 9 states have internal predecessors, (90), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 206 [2022-07-21 09:48:57,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:48:57,471 INFO L225 Difference]: With dead ends: 1103 [2022-07-21 09:48:57,471 INFO L226 Difference]: Without dead ends: 577 [2022-07-21 09:48:57,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-07-21 09:48:57,475 INFO L413 NwaCegarLoop]: 664 mSDtfsCounter, 872 mSDsluCounter, 3764 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 4428 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 09:48:57,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [932 Valid, 4428 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 873 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 09:48:57,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2022-07-21 09:48:57,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 559. [2022-07-21 09:48:57,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 326 states have (on average 1.2423312883435582) internal successors, (405), 329 states have internal predecessors, (405), 198 states have call successors, (198), 32 states have call predecessors, (198), 33 states have return successors, (238), 197 states have call predecessors, (238), 196 states have call successors, (238) [2022-07-21 09:48:57,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 841 transitions. [2022-07-21 09:48:57,505 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 841 transitions. Word has length 206 [2022-07-21 09:48:57,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:48:57,506 INFO L495 AbstractCegarLoop]: Abstraction has 559 states and 841 transitions. [2022-07-21 09:48:57,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 9 states have internal predecessors, (90), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2022-07-21 09:48:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 841 transitions. [2022-07-21 09:48:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-07-21 09:48:57,509 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:48:57,509 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2022-07-21 09:48:57,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-21 09:48:57,735 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 [2022-07-21 09:48:57,735 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:48:57,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:48:57,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1017677968, now seen corresponding path program 2 times [2022-07-21 09:48:57,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:48:57,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563077964] [2022-07-21 09:48:57,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:48:57,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:48:57,799 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:48:57,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1470210980] [2022-07-21 09:48:57,799 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 09:48:57,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:48:57,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:48:57,801 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:48:57,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-21 09:48:58,288 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 09:48:58,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 09:48:58,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 2842 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 09:48:58,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:48:58,369 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-07-21 09:48:58,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:48:58,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:48:58,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563077964] [2022-07-21 09:48:58,370 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:48:58,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470210980] [2022-07-21 09:48:58,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470210980] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:48:58,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:48:58,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 09:48:58,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43008168] [2022-07-21 09:48:58,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:48:58,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 09:48:58,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:48:58,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 09:48:58,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 09:48:58,373 INFO L87 Difference]: Start difference. First operand 559 states and 841 transitions. Second operand has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-21 09:48:58,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:48:58,740 INFO L93 Difference]: Finished difference Result 1079 states and 1634 transitions. [2022-07-21 09:48:58,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 09:48:58,741 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 221 [2022-07-21 09:48:58,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:48:58,746 INFO L225 Difference]: With dead ends: 1079 [2022-07-21 09:48:58,746 INFO L226 Difference]: Without dead ends: 561 [2022-07-21 09:48:58,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-07-21 09:48:58,750 INFO L413 NwaCegarLoop]: 702 mSDtfsCounter, 850 mSDsluCounter, 2636 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 3338 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 09:48:58,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 3338 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 09:48:58,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2022-07-21 09:48:58,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 561. [2022-07-21 09:48:58,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 327 states have (on average 1.2415902140672783) internal successors, (406), 331 states have internal predecessors, (406), 198 states have call successors, (198), 32 states have call predecessors, (198), 34 states have return successors, (246), 197 states have call predecessors, (246), 196 states have call successors, (246) [2022-07-21 09:48:58,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 850 transitions. [2022-07-21 09:48:58,779 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 850 transitions. Word has length 221 [2022-07-21 09:48:58,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:48:58,779 INFO L495 AbstractCegarLoop]: Abstraction has 561 states and 850 transitions. [2022-07-21 09:48:58,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-21 09:48:58,780 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 850 transitions. [2022-07-21 09:48:58,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-07-21 09:48:58,782 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:48:58,783 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 3, 3, 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, 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] [2022-07-21 09:48:58,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-21 09:48:58,999 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 [2022-07-21 09:48:58,999 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:48:59,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:48:59,000 INFO L85 PathProgramCache]: Analyzing trace with hash -861609497, now seen corresponding path program 1 times [2022-07-21 09:48:59,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:48:59,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57830900] [2022-07-21 09:48:59,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:48:59,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:48:59,066 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:48:59,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [888475975] [2022-07-21 09:48:59,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:48:59,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:48:59,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:48:59,069 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:48:59,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-21 09:48:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:48:59,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 2892 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 09:48:59,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:48:59,648 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-07-21 09:48:59,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:48:59,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:48:59,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57830900] [2022-07-21 09:48:59,649 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:48:59,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888475975] [2022-07-21 09:48:59,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888475975] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:48:59,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:48:59,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 09:48:59,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220987227] [2022-07-21 09:48:59,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:48:59,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 09:48:59,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:48:59,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 09:48:59,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 09:48:59,652 INFO L87 Difference]: Start difference. First operand 561 states and 850 transitions. Second operand has 9 states, 8 states have (on average 12.0) internal successors, (96), 9 states have internal predecessors, (96), 5 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2022-07-21 09:49:00,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:49:00,335 INFO L93 Difference]: Finished difference Result 1097 states and 1672 transitions. [2022-07-21 09:49:00,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 09:49:00,336 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 9 states have internal predecessors, (96), 5 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) Word has length 229 [2022-07-21 09:49:00,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:49:00,341 INFO L225 Difference]: With dead ends: 1097 [2022-07-21 09:49:00,341 INFO L226 Difference]: Without dead ends: 577 [2022-07-21 09:49:00,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-21 09:49:00,345 INFO L413 NwaCegarLoop]: 670 mSDtfsCounter, 891 mSDsluCounter, 3768 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 951 SdHoareTripleChecker+Valid, 4438 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 09:49:00,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [951 Valid, 4438 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 09:49:00,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2022-07-21 09:49:00,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 575. [2022-07-21 09:49:00,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 340 states have (on average 1.2470588235294118) internal successors, (424), 343 states have internal predecessors, (424), 199 states have call successors, (199), 32 states have call predecessors, (199), 34 states have return successors, (247), 199 states have call predecessors, (247), 197 states have call successors, (247) [2022-07-21 09:49:00,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 870 transitions. [2022-07-21 09:49:00,373 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 870 transitions. Word has length 229 [2022-07-21 09:49:00,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:49:00,374 INFO L495 AbstractCegarLoop]: Abstraction has 575 states and 870 transitions. [2022-07-21 09:49:00,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 9 states have internal predecessors, (96), 5 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2022-07-21 09:49:00,375 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 870 transitions. [2022-07-21 09:49:00,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-07-21 09:49:00,377 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:49:00,378 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2022-07-21 09:49:00,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-21 09:49:00,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:49:00,592 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:49:00,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:49:00,592 INFO L85 PathProgramCache]: Analyzing trace with hash 994439586, now seen corresponding path program 2 times [2022-07-21 09:49:00,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:49:00,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735971471] [2022-07-21 09:49:00,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:49:00,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:49:00,671 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:49:00,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1864043118] [2022-07-21 09:49:00,671 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 09:49:00,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:49:00,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:49:00,673 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:49:00,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-21 09:49:01,615 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 09:49:01,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 09:49:01,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 3033 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 09:49:01,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:49:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2022-07-21 09:49:01,724 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:49:01,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:49:01,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735971471] [2022-07-21 09:49:01,725 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:49:01,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864043118] [2022-07-21 09:49:01,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864043118] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:49:01,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:49:01,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 09:49:01,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716916893] [2022-07-21 09:49:01,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:49:01,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 09:49:01,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:49:01,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 09:49:01,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-21 09:49:01,727 INFO L87 Difference]: Start difference. First operand 575 states and 870 transitions. Second operand has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 8 states have internal predecessors, (93), 5 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2022-07-21 09:49:02,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:49:02,237 INFO L93 Difference]: Finished difference Result 1117 states and 1712 transitions. [2022-07-21 09:49:02,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 09:49:02,238 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 8 states have internal predecessors, (93), 5 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) Word has length 244 [2022-07-21 09:49:02,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:49:02,242 INFO L225 Difference]: With dead ends: 1117 [2022-07-21 09:49:02,242 INFO L226 Difference]: Without dead ends: 583 [2022-07-21 09:49:02,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-07-21 09:49:02,245 INFO L413 NwaCegarLoop]: 696 mSDtfsCounter, 874 mSDsluCounter, 3275 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 3971 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 09:49:02,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 3971 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 09:49:02,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2022-07-21 09:49:02,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 575. [2022-07-21 09:49:02,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 340 states have (on average 1.2470588235294118) internal successors, (424), 343 states have internal predecessors, (424), 199 states have call successors, (199), 32 states have call predecessors, (199), 34 states have return successors, (247), 199 states have call predecessors, (247), 197 states have call successors, (247) [2022-07-21 09:49:02,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 870 transitions. [2022-07-21 09:49:02,271 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 870 transitions. Word has length 244 [2022-07-21 09:49:02,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:49:02,271 INFO L495 AbstractCegarLoop]: Abstraction has 575 states and 870 transitions. [2022-07-21 09:49:02,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.285714285714286) internal successors, (93), 8 states have internal predecessors, (93), 5 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2022-07-21 09:49:02,272 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 870 transitions. [2022-07-21 09:49:02,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-21 09:49:02,274 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:49:02,275 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 09:49:02,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-21 09:49:02,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:49:02,504 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:49:02,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:49:02,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1506363748, now seen corresponding path program 3 times [2022-07-21 09:49:02,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:49:02,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382585025] [2022-07-21 09:49:02,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:49:02,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:49:02,572 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:49:02,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [52687135] [2022-07-21 09:49:02,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-21 09:49:02,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:49:02,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:49:02,574 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:49:02,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-21 09:49:03,202 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-07-21 09:49:03,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 09:49:03,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 1889 conjuncts, 18 conjunts are in the unsatisfiable core [2022-07-21 09:49:03,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:49:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-07-21 09:49:03,254 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:49:03,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:49:03,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382585025] [2022-07-21 09:49:03,255 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:49:03,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52687135] [2022-07-21 09:49:03,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52687135] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:49:03,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:49:03,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 09:49:03,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132511187] [2022-07-21 09:49:03,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:49:03,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 09:49:03,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:49:03,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 09:49:03,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 09:49:03,260 INFO L87 Difference]: Start difference. First operand 575 states and 870 transitions. Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-21 09:49:03,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:49:03,583 INFO L93 Difference]: Finished difference Result 1092 states and 1666 transitions. [2022-07-21 09:49:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 09:49:03,584 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 260 [2022-07-21 09:49:03,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:49:03,588 INFO L225 Difference]: With dead ends: 1092 [2022-07-21 09:49:03,588 INFO L226 Difference]: Without dead ends: 575 [2022-07-21 09:49:03,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 09:49:03,592 INFO L413 NwaCegarLoop]: 727 mSDtfsCounter, 2 mSDsluCounter, 2780 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3507 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 09:49:03,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3507 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 09:49:03,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2022-07-21 09:49:03,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2022-07-21 09:49:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 340 states have (on average 1.2470588235294118) internal successors, (424), 343 states have internal predecessors, (424), 199 states have call successors, (199), 32 states have call predecessors, (199), 34 states have return successors, (246), 199 states have call predecessors, (246), 197 states have call successors, (246) [2022-07-21 09:49:03,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 869 transitions. [2022-07-21 09:49:03,624 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 869 transitions. Word has length 260 [2022-07-21 09:49:03,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:49:03,628 INFO L495 AbstractCegarLoop]: Abstraction has 575 states and 869 transitions. [2022-07-21 09:49:03,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-21 09:49:03,628 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 869 transitions. [2022-07-21 09:49:03,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-07-21 09:49:03,631 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:49:03,631 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 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, 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] [2022-07-21 09:49:03,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-21 09:49:03,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-07-21 09:49:03,850 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:49:03,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:49:03,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1557399056, now seen corresponding path program 4 times [2022-07-21 09:49:03,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:49:03,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360028839] [2022-07-21 09:49:03,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:49:03,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:49:03,945 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:49:03,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1859594154] [2022-07-21 09:49:03,946 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-21 09:49:03,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:49:03,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:49:03,947 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:49:03,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-21 09:49:04,356 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-21 09:49:04,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 09:49:04,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 1058 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 09:49:04,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:49:04,431 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2022-07-21 09:49:04,431 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:49:04,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:49:04,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360028839] [2022-07-21 09:49:04,432 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:49:04,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859594154] [2022-07-21 09:49:04,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859594154] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:49:04,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:49:04,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 09:49:04,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658389823] [2022-07-21 09:49:04,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:49:04,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 09:49:04,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:49:04,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 09:49:04,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-21 09:49:04,437 INFO L87 Difference]: Start difference. First operand 575 states and 869 transitions. Second operand has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2022-07-21 09:49:05,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:49:05,012 INFO L93 Difference]: Finished difference Result 1236 states and 1887 transitions. [2022-07-21 09:49:05,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 09:49:05,013 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) Word has length 290 [2022-07-21 09:49:05,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:49:05,019 INFO L225 Difference]: With dead ends: 1236 [2022-07-21 09:49:05,019 INFO L226 Difference]: Without dead ends: 714 [2022-07-21 09:49:05,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-21 09:49:05,023 INFO L413 NwaCegarLoop]: 816 mSDtfsCounter, 158 mSDsluCounter, 4517 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 5333 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 09:49:05,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 5333 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 09:49:05,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2022-07-21 09:49:05,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 672. [2022-07-21 09:49:05,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 406 states have (on average 1.270935960591133) internal successors, (516), 411 states have internal predecessors, (516), 228 states have call successors, (228), 33 states have call predecessors, (228), 36 states have return successors, (289), 227 states have call predecessors, (289), 226 states have call successors, (289) [2022-07-21 09:49:05,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 1033 transitions. [2022-07-21 09:49:05,058 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 1033 transitions. Word has length 290 [2022-07-21 09:49:05,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:49:05,059 INFO L495 AbstractCegarLoop]: Abstraction has 672 states and 1033 transitions. [2022-07-21 09:49:05,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.571428571428571) internal successors, (102), 8 states have internal predecessors, (102), 4 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2022-07-21 09:49:05,059 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1033 transitions. [2022-07-21 09:49:05,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-07-21 09:49:05,061 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:49:05,061 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 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, 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] [2022-07-21 09:49:05,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-07-21 09:49:05,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-21 09:49:05,287 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:49:05,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:49:05,288 INFO L85 PathProgramCache]: Analyzing trace with hash 983595122, now seen corresponding path program 5 times [2022-07-21 09:49:05,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:49:05,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358659692] [2022-07-21 09:49:05,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:49:05,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:49:05,358 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:49:05,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [598316359] [2022-07-21 09:49:05,358 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-21 09:49:05,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:49:05,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:49:05,360 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:49:05,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-21 09:49:05,867 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 09:49:05,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 09:49:05,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 09:49:05,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:49:05,992 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 264 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-07-21 09:49:05,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:49:05,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:49:05,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358659692] [2022-07-21 09:49:05,993 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:49:05,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598316359] [2022-07-21 09:49:05,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598316359] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:49:05,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:49:05,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 09:49:05,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164888988] [2022-07-21 09:49:05,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:49:05,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 09:49:05,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:49:05,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 09:49:05,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 09:49:05,995 INFO L87 Difference]: Start difference. First operand 672 states and 1033 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-21 09:49:06,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:49:06,387 INFO L93 Difference]: Finished difference Result 1401 states and 2211 transitions. [2022-07-21 09:49:06,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 09:49:06,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 290 [2022-07-21 09:49:06,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:49:06,394 INFO L225 Difference]: With dead ends: 1401 [2022-07-21 09:49:06,394 INFO L226 Difference]: Without dead ends: 762 [2022-07-21 09:49:06,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-21 09:49:06,398 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 21 mSDsluCounter, 2871 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 3647 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 09:49:06,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 3647 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 09:49:06,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2022-07-21 09:49:06,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 690. [2022-07-21 09:49:06,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 424 states have (on average 1.2712264150943395) internal successors, (539), 429 states have internal predecessors, (539), 228 states have call successors, (228), 33 states have call predecessors, (228), 36 states have return successors, (289), 227 states have call predecessors, (289), 226 states have call successors, (289) [2022-07-21 09:49:06,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1056 transitions. [2022-07-21 09:49:06,446 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1056 transitions. Word has length 290 [2022-07-21 09:49:06,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:49:06,446 INFO L495 AbstractCegarLoop]: Abstraction has 690 states and 1056 transitions. [2022-07-21 09:49:06,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-21 09:49:06,447 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1056 transitions. [2022-07-21 09:49:06,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-07-21 09:49:06,449 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:49:06,471 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 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, 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] [2022-07-21 09:49:06,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-21 09:49:06,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-21 09:49:06,695 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:49:06,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:49:06,696 INFO L85 PathProgramCache]: Analyzing trace with hash -746406538, now seen corresponding path program 1 times [2022-07-21 09:49:06,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:49:06,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449808822] [2022-07-21 09:49:06,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:49:06,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:49:06,785 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:49:06,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [36501641] [2022-07-21 09:49:06,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:49:06,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:49:06,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:49:06,787 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:49:06,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-21 09:49:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:49:07,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 3381 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 09:49:07,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:49:07,415 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2022-07-21 09:49:07,415 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:49:07,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:49:07,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449808822] [2022-07-21 09:49:07,415 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:49:07,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36501641] [2022-07-21 09:49:07,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36501641] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:49:07,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:49:07,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 09:49:07,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637727739] [2022-07-21 09:49:07,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:49:07,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 09:49:07,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:49:07,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 09:49:07,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 09:49:07,418 INFO L87 Difference]: Start difference. First operand 690 states and 1056 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-21 09:49:07,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:49:07,464 INFO L93 Difference]: Finished difference Result 1367 states and 2131 transitions. [2022-07-21 09:49:07,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 09:49:07,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 290 [2022-07-21 09:49:07,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:49:07,469 INFO L225 Difference]: With dead ends: 1367 [2022-07-21 09:49:07,470 INFO L226 Difference]: Without dead ends: 710 [2022-07-21 09:49:07,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 09:49:07,474 INFO L413 NwaCegarLoop]: 769 mSDtfsCounter, 3 mSDsluCounter, 1533 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2302 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 09:49:07,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2302 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 09:49:07,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2022-07-21 09:49:07,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 700. [2022-07-21 09:49:07,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 434 states have (on average 1.2649769585253456) internal successors, (549), 439 states have internal predecessors, (549), 228 states have call successors, (228), 33 states have call predecessors, (228), 36 states have return successors, (289), 227 states have call predecessors, (289), 226 states have call successors, (289) [2022-07-21 09:49:07,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1066 transitions. [2022-07-21 09:49:07,510 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1066 transitions. Word has length 290 [2022-07-21 09:49:07,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:49:07,511 INFO L495 AbstractCegarLoop]: Abstraction has 700 states and 1066 transitions. [2022-07-21 09:49:07,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-21 09:49:07,512 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1066 transitions. [2022-07-21 09:49:07,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-07-21 09:49:07,513 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:49:07,514 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 09:49:07,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-21 09:49:07,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-21 09:49:07,731 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:49:07,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:49:07,731 INFO L85 PathProgramCache]: Analyzing trace with hash -873088841, now seen corresponding path program 1 times [2022-07-21 09:49:07,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:49:07,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079066423] [2022-07-21 09:49:07,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:49:07,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:49:07,799 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:49:07,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1246037251] [2022-07-21 09:49:07,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:49:07,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:49:07,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:49:07,802 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:49:07,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-07-21 09:49:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:49:08,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 3421 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-21 09:49:08,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:49:08,623 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 358 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-07-21 09:49:08,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:49:08,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:49:08,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079066423] [2022-07-21 09:49:08,624 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:49:08,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246037251] [2022-07-21 09:49:08,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246037251] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:49:08,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:49:08,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 09:49:08,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930311398] [2022-07-21 09:49:08,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:49:08,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 09:49:08,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:49:08,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 09:49:08,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-21 09:49:08,626 INFO L87 Difference]: Start difference. First operand 700 states and 1066 transitions. Second operand has 10 states, 9 states have (on average 13.555555555555555) internal successors, (122), 10 states have internal predecessors, (122), 6 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 5 states have call predecessors, (34), 6 states have call successors, (34) [2022-07-21 09:49:09,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:49:09,457 INFO L93 Difference]: Finished difference Result 1383 states and 2108 transitions. [2022-07-21 09:49:09,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 09:49:09,458 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.555555555555555) internal successors, (122), 10 states have internal predecessors, (122), 6 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 5 states have call predecessors, (34), 6 states have call successors, (34) Word has length 298 [2022-07-21 09:49:09,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:49:09,463 INFO L225 Difference]: With dead ends: 1383 [2022-07-21 09:49:09,463 INFO L226 Difference]: Without dead ends: 724 [2022-07-21 09:49:09,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2022-07-21 09:49:09,467 INFO L413 NwaCegarLoop]: 663 mSDtfsCounter, 924 mSDsluCounter, 4356 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 983 SdHoareTripleChecker+Valid, 5019 SdHoareTripleChecker+Invalid, 1134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 09:49:09,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [983 Valid, 5019 Invalid, 1134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 09:49:09,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2022-07-21 09:49:09,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 657. [2022-07-21 09:49:09,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 395 states have (on average 1.2582278481012659) internal successors, (497), 401 states have internal predecessors, (497), 225 states have call successors, (225), 33 states have call predecessors, (225), 35 states have return successors, (275), 222 states have call predecessors, (275), 223 states have call successors, (275) [2022-07-21 09:49:09,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 997 transitions. [2022-07-21 09:49:09,503 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 997 transitions. Word has length 298 [2022-07-21 09:49:09,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:49:09,504 INFO L495 AbstractCegarLoop]: Abstraction has 657 states and 997 transitions. [2022-07-21 09:49:09,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.555555555555555) internal successors, (122), 10 states have internal predecessors, (122), 6 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 5 states have call predecessors, (34), 6 states have call successors, (34) [2022-07-21 09:49:09,504 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 997 transitions. [2022-07-21 09:49:09,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-07-21 09:49:09,506 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:49:09,506 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 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] [2022-07-21 09:49:09,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-07-21 09:49:09,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-07-21 09:49:09,729 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:49:09,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:49:09,729 INFO L85 PathProgramCache]: Analyzing trace with hash 230551033, now seen corresponding path program 1 times [2022-07-21 09:49:09,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:49:09,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884955744] [2022-07-21 09:49:09,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:49:09,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:49:09,800 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:49:09,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [216582419] [2022-07-21 09:49:09,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:49:09,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:49:09,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:49:09,802 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:49:09,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-07-21 09:49:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:49:10,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 3512 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 09:49:10,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:49:10,521 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 342 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-07-21 09:49:10,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:49:10,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:49:10,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884955744] [2022-07-21 09:49:10,523 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:49:10,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216582419] [2022-07-21 09:49:10,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216582419] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:49:10,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:49:10,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 09:49:10,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839202711] [2022-07-21 09:49:10,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:49:10,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 09:49:10,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:49:10,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 09:49:10,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-21 09:49:10,527 INFO L87 Difference]: Start difference. First operand 657 states and 997 transitions. Second operand has 8 states, 7 states have (on average 14.142857142857142) internal successors, (99), 8 states have internal predecessors, (99), 5 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) [2022-07-21 09:49:10,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:49:10,958 INFO L93 Difference]: Finished difference Result 1127 states and 1686 transitions. [2022-07-21 09:49:10,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 09:49:10,960 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.142857142857142) internal successors, (99), 8 states have internal predecessors, (99), 5 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) Word has length 305 [2022-07-21 09:49:10,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:49:10,964 INFO L225 Difference]: With dead ends: 1127 [2022-07-21 09:49:10,964 INFO L226 Difference]: Without dead ends: 573 [2022-07-21 09:49:10,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-07-21 09:49:10,966 INFO L413 NwaCegarLoop]: 696 mSDtfsCounter, 899 mSDsluCounter, 3223 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 907 SdHoareTripleChecker+Valid, 3919 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 09:49:10,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [907 Valid, 3919 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 09:49:10,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2022-07-21 09:49:10,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 573. [2022-07-21 09:49:10,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 339 states have (on average 1.238938053097345) internal successors, (420), 343 states have internal predecessors, (420), 198 states have call successors, (198), 32 states have call predecessors, (198), 34 states have return successors, (239), 197 states have call predecessors, (239), 196 states have call successors, (239) [2022-07-21 09:49:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 857 transitions. [2022-07-21 09:49:10,991 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 857 transitions. Word has length 305 [2022-07-21 09:49:10,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:49:10,992 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 857 transitions. [2022-07-21 09:49:10,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.142857142857142) internal successors, (99), 8 states have internal predecessors, (99), 5 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) [2022-07-21 09:49:10,993 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 857 transitions. [2022-07-21 09:49:10,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-07-21 09:49:10,994 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:49:10,994 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 09:49:11,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-07-21 09:49:11,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-21 09:49:11,215 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:49:11,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:49:11,216 INFO L85 PathProgramCache]: Analyzing trace with hash 555293049, now seen corresponding path program 2 times [2022-07-21 09:49:11,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:49:11,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512706378] [2022-07-21 09:49:11,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:49:11,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:49:11,281 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:49:11,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1330709480] [2022-07-21 09:49:11,282 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 09:49:11,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:49:11,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:49:11,284 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:49:11,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-07-21 09:49:12,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 09:49:12,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 09:49:12,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 3421 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-21 09:49:12,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:49:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2022-07-21 09:49:12,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:49:12,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:49:12,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512706378] [2022-07-21 09:49:12,327 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:49:12,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330709480] [2022-07-21 09:49:12,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330709480] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:49:12,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:49:12,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 09:49:12,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316583600] [2022-07-21 09:49:12,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:49:12,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 09:49:12,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:49:12,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 09:49:12,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-21 09:49:12,330 INFO L87 Difference]: Start difference. First operand 573 states and 857 transitions. Second operand has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 6 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) [2022-07-21 09:49:12,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:49:12,979 INFO L93 Difference]: Finished difference Result 1121 states and 1681 transitions. [2022-07-21 09:49:12,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 09:49:12,980 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 6 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) Word has length 298 [2022-07-21 09:49:12,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:49:12,984 INFO L225 Difference]: With dead ends: 1121 [2022-07-21 09:49:12,985 INFO L226 Difference]: Without dead ends: 595 [2022-07-21 09:49:12,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-21 09:49:12,988 INFO L413 NwaCegarLoop]: 681 mSDtfsCounter, 908 mSDsluCounter, 4376 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 967 SdHoareTripleChecker+Valid, 5057 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 09:49:12,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [967 Valid, 5057 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 09:49:12,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2022-07-21 09:49:13,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 593. [2022-07-21 09:49:13,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 358 states have (on average 1.2430167597765363) internal successors, (445), 361 states have internal predecessors, (445), 199 states have call successors, (199), 32 states have call predecessors, (199), 34 states have return successors, (240), 199 states have call predecessors, (240), 197 states have call successors, (240) [2022-07-21 09:49:13,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 884 transitions. [2022-07-21 09:49:13,015 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 884 transitions. Word has length 298 [2022-07-21 09:49:13,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:49:13,015 INFO L495 AbstractCegarLoop]: Abstraction has 593 states and 884 transitions. [2022-07-21 09:49:13,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 6 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) [2022-07-21 09:49:13,016 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 884 transitions. [2022-07-21 09:49:13,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-07-21 09:49:13,018 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:49:13,018 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 09:49:13,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-07-21 09:49:13,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:49:13,238 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:49:13,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:49:13,238 INFO L85 PathProgramCache]: Analyzing trace with hash -2045623242, now seen corresponding path program 3 times [2022-07-21 09:49:13,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:49:13,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817622218] [2022-07-21 09:49:13,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:49:13,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:49:13,327 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:49:13,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [184416568] [2022-07-21 09:49:13,328 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-21 09:49:13,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:49:13,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:49:13,330 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:49:13,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-07-21 09:49:14,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-07-21 09:49:14,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 09:49:14,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 2030 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-21 09:49:14,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:49:14,275 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2022-07-21 09:49:14,276 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 09:49:14,626 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 66 proven. 3 refuted. 0 times theorem prover too weak. 631 trivial. 0 not checked. [2022-07-21 09:49:14,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:49:14,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817622218] [2022-07-21 09:49:14,626 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:49:14,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184416568] [2022-07-21 09:49:14,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184416568] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 09:49:14,627 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 09:49:14,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 8 [2022-07-21 09:49:14,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610874525] [2022-07-21 09:49:14,627 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 09:49:14,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 09:49:14,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:49:14,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 09:49:14,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-21 09:49:14,629 INFO L87 Difference]: Start difference. First operand 593 states and 884 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-21 09:49:15,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:49:15,058 INFO L93 Difference]: Finished difference Result 1129 states and 1697 transitions. [2022-07-21 09:49:15,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 09:49:15,058 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) Word has length 313 [2022-07-21 09:49:15,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:49:15,064 INFO L225 Difference]: With dead ends: 1129 [2022-07-21 09:49:15,064 INFO L226 Difference]: Without dead ends: 595 [2022-07-21 09:49:15,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 619 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-07-21 09:49:15,067 INFO L413 NwaCegarLoop]: 734 mSDtfsCounter, 22 mSDsluCounter, 4203 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 4937 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 09:49:15,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 4937 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 09:49:15,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2022-07-21 09:49:15,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2022-07-21 09:49:15,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 360 states have (on average 1.2416666666666667) internal successors, (447), 362 states have internal predecessors, (447), 199 states have call successors, (199), 33 states have call predecessors, (199), 34 states have return successors, (239), 199 states have call predecessors, (239), 197 states have call successors, (239) [2022-07-21 09:49:15,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 885 transitions. [2022-07-21 09:49:15,100 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 885 transitions. Word has length 313 [2022-07-21 09:49:15,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:49:15,100 INFO L495 AbstractCegarLoop]: Abstraction has 595 states and 885 transitions. [2022-07-21 09:49:15,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-21 09:49:15,101 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 885 transitions. [2022-07-21 09:49:15,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-07-21 09:49:15,103 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:49:15,103 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 09:49:15,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-07-21 09:49:15,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-07-21 09:49:15,326 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:49:15,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:49:15,326 INFO L85 PathProgramCache]: Analyzing trace with hash 501085837, now seen corresponding path program 4 times [2022-07-21 09:49:15,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:49:15,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532453518] [2022-07-21 09:49:15,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:49:15,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:49:15,405 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:49:15,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [501392796] [2022-07-21 09:49:15,405 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-21 09:49:15,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:49:15,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:49:15,407 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:49:15,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-07-21 09:49:15,891 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-21 09:49:15,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 09:49:15,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 1256 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-21 09:49:15,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:49:15,975 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2022-07-21 09:49:15,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:49:15,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:49:15,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532453518] [2022-07-21 09:49:15,976 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:49:15,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501392796] [2022-07-21 09:49:15,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501392796] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:49:15,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:49:15,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 09:49:15,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054502491] [2022-07-21 09:49:15,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:49:15,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 09:49:15,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:49:15,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 09:49:15,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 09:49:15,980 INFO L87 Difference]: Start difference. First operand 595 states and 885 transitions. Second operand has 9 states, 8 states have (on average 13.0) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) [2022-07-21 09:49:16,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:49:16,637 INFO L93 Difference]: Finished difference Result 1296 states and 1946 transitions. [2022-07-21 09:49:16,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 09:49:16,638 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.0) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) Word has length 328 [2022-07-21 09:49:16,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:49:16,644 INFO L225 Difference]: With dead ends: 1296 [2022-07-21 09:49:16,644 INFO L226 Difference]: Without dead ends: 732 [2022-07-21 09:49:16,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-07-21 09:49:16,648 INFO L413 NwaCegarLoop]: 792 mSDtfsCounter, 180 mSDsluCounter, 5118 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 5910 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 09:49:16,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 5910 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 09:49:16,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2022-07-21 09:49:16,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 701. [2022-07-21 09:49:16,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 436 states have (on average 1.261467889908257) internal successors, (550), 440 states have internal predecessors, (550), 227 states have call successors, (227), 34 states have call predecessors, (227), 36 states have return successors, (279), 226 states have call predecessors, (279), 225 states have call successors, (279) [2022-07-21 09:49:16,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1056 transitions. [2022-07-21 09:49:16,680 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1056 transitions. Word has length 328 [2022-07-21 09:49:16,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:49:16,681 INFO L495 AbstractCegarLoop]: Abstraction has 701 states and 1056 transitions. [2022-07-21 09:49:16,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.0) internal successors, (104), 9 states have internal predecessors, (104), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 5 states have call successors, (32) [2022-07-21 09:49:16,681 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1056 transitions. [2022-07-21 09:49:16,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2022-07-21 09:49:16,683 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:49:16,684 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 09:49:16,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-07-21 09:49:16,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-07-21 09:49:16,907 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:49:16,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:49:16,908 INFO L85 PathProgramCache]: Analyzing trace with hash -593591285, now seen corresponding path program 1 times [2022-07-21 09:49:16,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:49:16,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859275286] [2022-07-21 09:49:16,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:49:16,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:49:16,987 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:49:16,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1187525073] [2022-07-21 09:49:16,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:49:16,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:49:16,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:49:16,989 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:49:17,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-07-21 09:49:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 09:49:17,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 3767 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-21 09:49:17,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:49:17,808 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 443 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2022-07-21 09:49:17,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 09:49:17,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:49:17,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859275286] [2022-07-21 09:49:17,809 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:49:17,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187525073] [2022-07-21 09:49:17,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187525073] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 09:49:17,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 09:49:17,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 09:49:17,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333269693] [2022-07-21 09:49:17,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 09:49:17,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 09:49:17,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 09:49:17,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 09:49:17,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-07-21 09:49:17,811 INFO L87 Difference]: Start difference. First operand 701 states and 1056 transitions. Second operand has 11 states, 10 states have (on average 11.6) internal successors, (116), 11 states have internal predecessors, (116), 7 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (33), 6 states have call predecessors, (33), 7 states have call successors, (33) [2022-07-21 09:49:18,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 09:49:18,604 INFO L93 Difference]: Finished difference Result 1254 states and 1886 transitions. [2022-07-21 09:49:18,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 09:49:18,605 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 11.6) internal successors, (116), 11 states have internal predecessors, (116), 7 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (33), 6 states have call predecessors, (33), 7 states have call successors, (33) Word has length 344 [2022-07-21 09:49:18,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 09:49:18,610 INFO L225 Difference]: With dead ends: 1254 [2022-07-21 09:49:18,610 INFO L226 Difference]: Without dead ends: 600 [2022-07-21 09:49:18,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2022-07-21 09:49:18,614 INFO L413 NwaCegarLoop]: 657 mSDtfsCounter, 973 mSDsluCounter, 4855 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1031 SdHoareTripleChecker+Valid, 5512 SdHoareTripleChecker+Invalid, 1334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 09:49:18,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1031 Valid, 5512 Invalid, 1334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 09:49:18,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2022-07-21 09:49:18,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 573. [2022-07-21 09:49:18,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 340 states have (on average 1.238235294117647) internal successors, (421), 342 states have internal predecessors, (421), 198 states have call successors, (198), 33 states have call predecessors, (198), 33 states have return successors, (230), 197 states have call predecessors, (230), 196 states have call successors, (230) [2022-07-21 09:49:18,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 849 transitions. [2022-07-21 09:49:18,641 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 849 transitions. Word has length 344 [2022-07-21 09:49:18,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 09:49:18,641 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 849 transitions. [2022-07-21 09:49:18,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 11.6) internal successors, (116), 11 states have internal predecessors, (116), 7 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (33), 6 states have call predecessors, (33), 7 states have call successors, (33) [2022-07-21 09:49:18,642 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 849 transitions. [2022-07-21 09:49:18,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-07-21 09:49:18,644 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 09:49:18,644 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 09:49:18,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-07-21 09:49:18,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-07-21 09:49:18,872 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 09:49:18,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 09:49:18,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1351536022, now seen corresponding path program 2 times [2022-07-21 09:49:18,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 09:49:18,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112267246] [2022-07-21 09:49:18,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 09:49:18,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 09:49:18,938 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 09:49:18,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1190425246] [2022-07-21 09:49:18,938 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 09:49:18,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:49:18,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 09:49:18,940 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 09:49:18,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-07-21 09:49:20,181 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 09:49:20,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 09:49:20,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 3908 conjuncts, 491 conjunts are in the unsatisfiable core [2022-07-21 09:49:20,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 09:49:20,793 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 36 select indices, 36 select index equivalence classes, 630 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 253 treesize of output 109 [2022-07-21 09:49:20,828 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-21 09:49:20,828 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 71 treesize of output 31 [2022-07-21 09:49:23,392 INFO L244 Elim1Store]: Index analysis took 146 ms [2022-07-21 09:49:27,840 INFO L356 Elim1Store]: treesize reduction 704, result has 50.0 percent of original size [2022-07-21 09:49:27,842 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 177 select indices, 177 select index equivalence classes, 15400 disjoint index pairs (out of 15576 index pairs), introduced 177 new quantified variables, introduced 176 case distinctions, treesize of input 886 treesize of output 1236 [2022-07-21 09:50:16,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 09:50:16,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112267246] [2022-07-21 09:50:16,103 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 09:50:16,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190425246] [2022-07-21 09:50:16,103 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-07-21 09:50:16,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-07-21 09:50:16,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 09:50:16,304 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:764) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:725) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:643) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:335) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:176) 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:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:251) 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) [2022-07-21 09:50:16,307 INFO L158 Benchmark]: Toolchain (without parser) took 92333.87ms. Allocated memory was 54.5MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 34.8MB in the beginning and 800.3MB in the end (delta: -765.5MB). Peak memory consumption was 332.6MB. Max. memory is 16.1GB. [2022-07-21 09:50:16,308 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 35.4MB in the beginning and 35.3MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 09:50:16,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2049.62ms. Allocated memory was 54.5MB in the beginning and 92.3MB in the end (delta: 37.7MB). Free memory was 34.5MB in the beginning and 34.3MB in the end (delta: 288.9kB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2022-07-21 09:50:16,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 229.97ms. Allocated memory is still 92.3MB. Free memory was 34.3MB in the beginning and 42.7MB in the end (delta: -8.5MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2022-07-21 09:50:16,309 INFO L158 Benchmark]: Boogie Preprocessor took 123.11ms. Allocated memory is still 92.3MB. Free memory was 42.7MB in the beginning and 33.1MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-21 09:50:16,309 INFO L158 Benchmark]: RCFGBuilder took 1691.69ms. Allocated memory was 92.3MB in the beginning and 186.6MB in the end (delta: 94.4MB). Free memory was 33.1MB in the beginning and 130.9MB in the end (delta: -97.8MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2022-07-21 09:50:16,309 INFO L158 Benchmark]: TraceAbstraction took 88233.23ms. Allocated memory was 186.6MB in the beginning and 1.2GB in the end (delta: 966.8MB). Free memory was 129.8MB in the beginning and 800.3MB in the end (delta: -670.4MB). Peak memory consumption was 296.9MB. Max. memory is 16.1GB. [2022-07-21 09:50:16,311 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 35.4MB in the beginning and 35.3MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2049.62ms. Allocated memory was 54.5MB in the beginning and 92.3MB in the end (delta: 37.7MB). Free memory was 34.5MB in the beginning and 34.3MB in the end (delta: 288.9kB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 229.97ms. Allocated memory is still 92.3MB. Free memory was 34.3MB in the beginning and 42.7MB in the end (delta: -8.5MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.11ms. Allocated memory is still 92.3MB. Free memory was 42.7MB in the beginning and 33.1MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1691.69ms. Allocated memory was 92.3MB in the beginning and 186.6MB in the end (delta: 94.4MB). Free memory was 33.1MB in the beginning and 130.9MB in the end (delta: -97.8MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * TraceAbstraction took 88233.23ms. Allocated memory was 186.6MB in the beginning and 1.2GB in the end (delta: 966.8MB). Free memory was 129.8MB in the beginning and 800.3MB in the end (delta: -670.4MB). Peak memory consumption was 296.9MB. 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. [2022-07-21 09:50:16,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/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_push_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 d8b9169d0d63d8238da177db4999afabb0efa6e97e1e7cd257e8474f76788f17 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 09:50:18,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 09:50:18,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 09:50:18,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 09:50:18,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 09:50:18,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 09:50:18,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 09:50:18,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 09:50:18,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 09:50:18,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 09:50:18,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 09:50:18,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 09:50:18,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 09:50:18,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 09:50:18,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 09:50:18,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 09:50:18,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 09:50:18,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 09:50:18,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 09:50:18,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 09:50:18,218 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 09:50:18,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 09:50:18,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 09:50:18,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 09:50:18,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 09:50:18,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 09:50:18,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 09:50:18,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 09:50:18,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 09:50:18,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 09:50:18,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 09:50:18,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 09:50:18,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 09:50:18,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 09:50:18,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 09:50:18,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 09:50:18,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 09:50:18,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 09:50:18,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 09:50:18,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 09:50:18,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 09:50:18,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 09:50:18,248 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 09:50:18,274 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 09:50:18,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 09:50:18,275 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 09:50:18,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 09:50:18,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 09:50:18,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 09:50:18,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 09:50:18,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 09:50:18,277 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 09:50:18,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 09:50:18,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 09:50:18,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 09:50:18,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 09:50:18,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 09:50:18,287 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 09:50:18,287 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 09:50:18,287 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 09:50:18,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 09:50:18,288 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 09:50:18,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 09:50:18,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 09:50:18,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 09:50:18,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 09:50:18,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 09:50:18,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 09:50:18,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 09:50:18,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 09:50:18,290 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 09:50:18,290 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 09:50:18,290 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 09:50:18,291 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 09:50:18,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 09:50:18,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 09:50:18,291 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8b9169d0d63d8238da177db4999afabb0efa6e97e1e7cd257e8474f76788f17 [2022-07-21 09:50:18,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 09:50:18,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 09:50:18,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 09:50:18,604 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 09:50:18,604 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 09:50:18,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2022-07-21 09:50:18,651 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/231cf62db/a9c8c9875c664b7a9ac20c4689bb34c4/FLAGc7cd8aa05 [2022-07-21 09:50:19,374 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 09:50:19,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2022-07-21 09:50:19,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/231cf62db/a9c8c9875c664b7a9ac20c4689bb34c4/FLAGc7cd8aa05 [2022-07-21 09:50:19,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/231cf62db/a9c8c9875c664b7a9ac20c4689bb34c4 [2022-07-21 09:50:19,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 09:50:19,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 09:50:19,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 09:50:19,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 09:50:19,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 09:50:19,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:50:19" (1/1) ... [2022-07-21 09:50:19,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec9e215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 09:50:19, skipping insertion in model container [2022-07-21 09:50:19,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 09:50:19" (1/1) ... [2022-07-21 09:50:19,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 09:50:19,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 09:50:19,853 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_push_harness.i[4497,4510] [2022-07-21 09:50:19,860 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_push_harness.i[4557,4570] [2022-07-21 09:50:21,024 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:50:21,025 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:50:21,026 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:50:21,026 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:50:21,027 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:50:21,049 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:50:21,051 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:50:21,053 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:50:21,055 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:50:21,057 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:50:21,059 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:50:21,059 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:50:21,060 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-21 09:50:21,374 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-21 09:50:21,376 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-21 09:50:21,376 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-21 09:50:21,377 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-21 09:50:21,378 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-21 09:50:21,379 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-21 09:50:21,379 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-21 09:50:21,380 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-21 09:50:21,380 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-21 09:50:21,381 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-21 09:50:21,478 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-21 09:50:21,490 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) [2022-07-21 09:50:21,498 INFO L158 Benchmark]: Toolchain (without parser) took 2053.67ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 36.9MB in the beginning and 51.3MB in the end (delta: -14.4MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-07-21 09:50:21,500 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 46.3MB in the beginning and 46.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 09:50:21,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2052.06ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 36.6MB in the beginning and 51.3MB in the end (delta: -14.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-07-21 09:50:21,503 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 46.3MB in the beginning and 46.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2052.06ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 36.6MB in the beginning and 51.3MB in the end (delta: -14.8MB). Peak memory consumption was 12.3MB. 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