./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_pop_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 71774aeec0d0f8840a1b18b633767b26c38c9eb9d26569d28cdf01c44c9881ac --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 01:09:35,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 01:09:35,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 01:09:35,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 01:09:35,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 01:09:35,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 01:09:35,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 01:09:35,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 01:09:35,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 01:09:35,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 01:09:35,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 01:09:35,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 01:09:35,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 01:09:35,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 01:09:35,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 01:09:35,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 01:09:35,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 01:09:35,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 01:09:35,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 01:09:35,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 01:09:35,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 01:09:35,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 01:09:35,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 01:09:35,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 01:09:35,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 01:09:35,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 01:09:35,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 01:09:35,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 01:09:35,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 01:09:35,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 01:09:35,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 01:09:35,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 01:09:35,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 01:09:35,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 01:09:35,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 01:09:35,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 01:09:35,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 01:09:35,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 01:09:35,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 01:09:35,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 01:09:35,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 01:09:35,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 01:09:35,744 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 01:09:35,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 01:09:35,745 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 01:09:35,745 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 01:09:35,746 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 01:09:35,747 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 01:09:35,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 01:09:35,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 01:09:35,747 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 01:09:35,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 01:09:35,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 01:09:35,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 01:09:35,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 01:09:35,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 01:09:35,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 01:09:35,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 01:09:35,749 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 01:09:35,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 01:09:35,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 01:09:35,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 01:09:35,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 01:09:35,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 01:09:35,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 01:09:35,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 01:09:35,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 01:09:35,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 01:09:35,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 01:09:35,751 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 01:09:35,751 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 01:09:35,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 01:09:35,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 01:09:35,751 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71774aeec0d0f8840a1b18b633767b26c38c9eb9d26569d28cdf01c44c9881ac [2021-12-18 01:09:35,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 01:09:35,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 01:09:35,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 01:09:35,955 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 01:09:35,956 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 01:09:35,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2021-12-18 01:09:36,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df329528/3569cd7aad33426ca3b5d2813b45cde5/FLAG92058b3b7 [2021-12-18 01:09:36,588 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 01:09:36,589 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2021-12-18 01:09:36,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df329528/3569cd7aad33426ca3b5d2813b45cde5/FLAG92058b3b7 [2021-12-18 01:09:37,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2df329528/3569cd7aad33426ca3b5d2813b45cde5 [2021-12-18 01:09:37,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 01:09:37,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 01:09:37,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 01:09:37,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 01:09:37,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 01:09:37,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:09:37" (1/1) ... [2021-12-18 01:09:37,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680ab507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:09:37, skipping insertion in model container [2021-12-18 01:09:37,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:09:37" (1/1) ... [2021-12-18 01:09:37,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 01:09:37,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 01:09:37,409 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_pop_harness.i[4496,4509] [2021-12-18 01:09:37,416 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_pop_harness.i[4556,4569] [2021-12-18 01:09:37,877 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:37,878 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:37,879 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:37,879 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:37,881 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:37,893 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:37,895 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:37,897 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:37,898 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:37,900 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:37,901 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:37,901 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:37,902 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,103 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-18 01:09:38,105 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-18 01:09:38,106 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-18 01:09:38,107 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-18 01:09:38,109 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-18 01:09:38,109 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-18 01:09:38,109 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-18 01:09:38,110 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-18 01:09:38,113 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-18 01:09:38,114 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-18 01:09:38,199 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-18 01:09:38,211 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,223 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,269 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,270 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,270 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,270 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,271 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,271 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,271 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,272 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,272 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,272 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,272 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,273 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,273 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,274 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,275 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,275 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,275 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,277 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,277 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,282 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,282 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,282 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 01:09:38,308 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 01:09:38,317 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_pop_harness.i[4496,4509] [2021-12-18 01:09:38,317 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_pop_harness.i[4556,4569] [2021-12-18 01:09:38,392 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,392 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,393 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,393 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,393 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,397 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,397 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,398 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,398 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,399 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,399 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,399 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,400 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,418 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-18 01:09:38,419 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-18 01:09:38,419 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-18 01:09:38,420 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-18 01:09:38,420 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-18 01:09:38,420 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-18 01:09:38,421 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-18 01:09:38,421 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-18 01:09:38,421 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-18 01:09:38,422 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-18 01:09:38,433 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-18 01:09:38,442 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,445 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,461 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,462 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,462 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,462 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,462 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,463 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,463 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,463 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,463 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,464 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,464 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,464 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,464 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,465 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,465 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,465 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,465 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,467 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,467 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,472 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,472 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,472 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:09:38,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 01:09:38,645 INFO L208 MainTranslator]: Completed translation [2021-12-18 01:09:38,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:09:38 WrapperNode [2021-12-18 01:09:38,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 01:09:38,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 01:09:38,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 01:09:38,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 01:09:38,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:09:38" (1/1) ... [2021-12-18 01:09:38,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:09:38" (1/1) ... [2021-12-18 01:09:38,778 INFO L137 Inliner]: procedures = 697, calls = 1918, calls flagged for inlining = 60, calls inlined = 15, statements flattened = 1033 [2021-12-18 01:09:38,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 01:09:38,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 01:09:38,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 01:09:38,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 01:09:38,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:09:38" (1/1) ... [2021-12-18 01:09:38,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:09:38" (1/1) ... [2021-12-18 01:09:38,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:09:38" (1/1) ... [2021-12-18 01:09:38,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:09:38" (1/1) ... [2021-12-18 01:09:38,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:09:38" (1/1) ... [2021-12-18 01:09:38,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:09:38" (1/1) ... [2021-12-18 01:09:38,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:09:38" (1/1) ... [2021-12-18 01:09:38,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 01:09:38,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 01:09:38,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 01:09:38,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 01:09:38,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:09:38" (1/1) ... [2021-12-18 01:09:38,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 01:09:38,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:09:38,950 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) [2021-12-18 01:09:38,972 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 [2021-12-18 01:09:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2021-12-18 01:09:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2021-12-18 01:09:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-12-18 01:09:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-12-18 01:09:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 01:09:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-12-18 01:09:39,002 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-12-18 01:09:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-18 01:09:39,002 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-18 01:09:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-18 01:09:39,002 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-18 01:09:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2021-12-18 01:09:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2021-12-18 01:09:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 01:09:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 01:09:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-18 01:09:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-18 01:09:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-18 01:09:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-18 01:09:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2021-12-18 01:09:39,004 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2021-12-18 01:09:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 01:09:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 01:09:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 01:09:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2021-12-18 01:09:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2021-12-18 01:09:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-12-18 01:09:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-12-18 01:09:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 01:09:39,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 01:09:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-18 01:09:39,011 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-18 01:09:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-18 01:09:39,011 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-18 01:09:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 01:09:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-12-18 01:09:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-12-18 01:09:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2021-12-18 01:09:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2021-12-18 01:09:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-12-18 01:09:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-12-18 01:09:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 01:09:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 01:09:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 01:09:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 01:09:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-12-18 01:09:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-12-18 01:09:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2021-12-18 01:09:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2021-12-18 01:09:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 01:09:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 01:09:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 01:09:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2021-12-18 01:09:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2021-12-18 01:09:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-18 01:09:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-18 01:09:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-18 01:09:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-18 01:09:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 01:09:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-12-18 01:09:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-12-18 01:09:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2021-12-18 01:09:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2021-12-18 01:09:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 01:09:39,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 01:09:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 01:09:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2021-12-18 01:09:39,015 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2021-12-18 01:09:39,318 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 01:09:39,319 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 01:09:40,655 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 01:09:40,663 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 01:09:40,663 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-18 01:09:40,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:09:40 BoogieIcfgContainer [2021-12-18 01:09:40,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 01:09:40,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 01:09:40,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 01:09:40,671 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 01:09:40,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 01:09:37" (1/3) ... [2021-12-18 01:09:40,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d92a4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:09:40, skipping insertion in model container [2021-12-18 01:09:40,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:09:38" (2/3) ... [2021-12-18 01:09:40,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d92a4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:09:40, skipping insertion in model container [2021-12-18 01:09:40,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:09:40" (3/3) ... [2021-12-18 01:09:40,673 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness.i [2021-12-18 01:09:40,681 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 01:09:40,682 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-18 01:09:40,728 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 01:09:40,744 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 01:09:40,744 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-18 01:09:40,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 448 states, 263 states have (on average 1.2623574144486691) internal successors, (332), 266 states have internal predecessors, (332), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2021-12-18 01:09:40,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-18 01:09:40,776 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:09:40,777 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2021-12-18 01:09:40,778 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:09:40,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:09:40,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1140837343, now seen corresponding path program 1 times [2021-12-18 01:09:40,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:09:40,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684859235] [2021-12-18 01:09:40,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:09:40,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:09:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:09:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:09:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 01:09:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 01:09:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 01:09:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 01:09:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 01:09:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 01:09:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 01:09:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-18 01:09:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 01:09:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 01:09:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:09:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 01:09:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 01:09:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 01:09:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 01:09:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 01:09:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 01:09:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 01:09:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 01:09:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:41,386 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-12-18 01:09:41,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:09:41,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684859235] [2021-12-18 01:09:41,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684859235] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:09:41,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:09:41,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 01:09:41,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769873480] [2021-12-18 01:09:41,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:09:41,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 01:09:41,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:09:41,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 01:09:41,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-18 01:09:41,411 INFO L87 Difference]: Start difference. First operand has 448 states, 263 states have (on average 1.2623574144486691) internal successors, (332), 266 states have internal predecessors, (332), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 01:09:42,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:09:42,733 INFO L93 Difference]: Finished difference Result 1063 states and 1806 transitions. [2021-12-18 01:09:42,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 01:09:42,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 133 [2021-12-18 01:09:42,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:09:42,761 INFO L225 Difference]: With dead ends: 1063 [2021-12-18 01:09:42,761 INFO L226 Difference]: Without dead ends: 621 [2021-12-18 01:09:42,775 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-18 01:09:42,777 INFO L933 BasicCegarLoop]: 689 mSDtfsCounter, 465 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 765 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 765 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-18 01:09:42,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [523 Valid, 960 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [765 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-18 01:09:42,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2021-12-18 01:09:42,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 441. [2021-12-18 01:09:42,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 257 states have (on average 1.2373540856031129) internal successors, (318), 260 states have internal predecessors, (318), 156 states have call successors, (156), 27 states have call predecessors, (156), 26 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2021-12-18 01:09:42,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 628 transitions. [2021-12-18 01:09:42,908 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 628 transitions. Word has length 133 [2021-12-18 01:09:42,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:09:42,908 INFO L470 AbstractCegarLoop]: Abstraction has 441 states and 628 transitions. [2021-12-18 01:09:42,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 01:09:42,910 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 628 transitions. [2021-12-18 01:09:42,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-18 01:09:42,918 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:09:42,918 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2021-12-18 01:09:42,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 01:09:42,919 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:09:42,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:09:42,919 INFO L85 PathProgramCache]: Analyzing trace with hash 826891299, now seen corresponding path program 1 times [2021-12-18 01:09:42,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:09:42,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645596876] [2021-12-18 01:09:42,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:09:42,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:09:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:09:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:09:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 01:09:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 01:09:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 01:09:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 01:09:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 01:09:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 01:09:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 01:09:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-18 01:09:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 01:09:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 01:09:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:09:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 01:09:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 01:09:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 01:09:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 01:09:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 01:09:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 01:09:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 01:09:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 01:09:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,259 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-18 01:09:43,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:09:43,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645596876] [2021-12-18 01:09:43,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645596876] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:09:43,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391369973] [2021-12-18 01:09:43,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:09:43,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:09:43,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:09:43,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 01:09:43,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 01:09:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:43,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 2444 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-18 01:09:43,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:09:43,954 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-12-18 01:09:43,954 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:09:43,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391369973] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:09:43,954 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:09:43,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2021-12-18 01:09:43,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197916082] [2021-12-18 01:09:43,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:09:43,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 01:09:43,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:09:43,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 01:09:43,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-12-18 01:09:43,958 INFO L87 Difference]: Start difference. First operand 441 states and 628 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-18 01:09:45,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:09:45,066 INFO L93 Difference]: Finished difference Result 848 states and 1225 transitions. [2021-12-18 01:09:45,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 01:09:45,067 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 133 [2021-12-18 01:09:45,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:09:45,071 INFO L225 Difference]: With dead ends: 848 [2021-12-18 01:09:45,071 INFO L226 Difference]: Without dead ends: 443 [2021-12-18 01:09:45,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-12-18 01:09:45,074 INFO L933 BasicCegarLoop]: 568 mSDtfsCounter, 643 mSDsluCounter, 1626 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 2194 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-18 01:09:45,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [665 Valid, 2194 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-18 01:09:45,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-12-18 01:09:45,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2021-12-18 01:09:45,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 258 states have (on average 1.2364341085271318) internal successors, (319), 262 states have internal predecessors, (319), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (167), 154 states have call predecessors, (167), 154 states have call successors, (167) [2021-12-18 01:09:45,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 642 transitions. [2021-12-18 01:09:45,094 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 642 transitions. Word has length 133 [2021-12-18 01:09:45,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:09:45,095 INFO L470 AbstractCegarLoop]: Abstraction has 443 states and 642 transitions. [2021-12-18 01:09:45,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-18 01:09:45,095 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 642 transitions. [2021-12-18 01:09:45,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-12-18 01:09:45,097 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:09:45,097 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:09:45,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-18 01:09:45,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:09:45,318 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:09:45,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:09:45,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1886231881, now seen corresponding path program 1 times [2021-12-18 01:09:45,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:09:45,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884531297] [2021-12-18 01:09:45,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:09:45,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:09:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:09:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:09:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 01:09:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 01:09:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 01:09:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 01:09:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 01:09:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 01:09:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 01:09:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-18 01:09:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:09:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 01:09:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 01:09:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:09:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 01:09:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 01:09:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 01:09:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 01:09:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 01:09:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 01:09:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 01:09:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 01:09:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-12-18 01:09:45,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:09:45,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884531297] [2021-12-18 01:09:45,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884531297] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:09:45,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90005148] [2021-12-18 01:09:45,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:09:45,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:09:45,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:09:45,648 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) [2021-12-18 01:09:45,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 01:09:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:46,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 2494 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-18 01:09:46,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:09:46,453 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-12-18 01:09:46,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:09:46,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90005148] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:09:46,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:09:46,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2021-12-18 01:09:46,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374097534] [2021-12-18 01:09:46,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:09:46,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 01:09:46,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:09:46,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 01:09:46,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2021-12-18 01:09:46,456 INFO L87 Difference]: Start difference. First operand 443 states and 642 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2021-12-18 01:09:48,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:09:48,057 INFO L93 Difference]: Finished difference Result 871 states and 1296 transitions. [2021-12-18 01:09:48,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 01:09:48,058 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 141 [2021-12-18 01:09:48,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:09:48,061 INFO L225 Difference]: With dead ends: 871 [2021-12-18 01:09:48,061 INFO L226 Difference]: Without dead ends: 464 [2021-12-18 01:09:48,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2021-12-18 01:09:48,064 INFO L933 BasicCegarLoop]: 565 mSDtfsCounter, 667 mSDsluCounter, 2673 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 3238 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-18 01:09:48,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [717 Valid, 3238 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-18 01:09:48,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2021-12-18 01:09:48,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 462. [2021-12-18 01:09:48,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 274 states have (on average 1.2445255474452555) internal successors, (341), 278 states have internal predecessors, (341), 158 states have call successors, (158), 27 states have call predecessors, (158), 28 states have return successors, (186), 157 states have call predecessors, (186), 156 states have call successors, (186) [2021-12-18 01:09:48,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 685 transitions. [2021-12-18 01:09:48,081 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 685 transitions. Word has length 141 [2021-12-18 01:09:48,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:09:48,081 INFO L470 AbstractCegarLoop]: Abstraction has 462 states and 685 transitions. [2021-12-18 01:09:48,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2021-12-18 01:09:48,082 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 685 transitions. [2021-12-18 01:09:48,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-18 01:09:48,083 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:09:48,083 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:09:48,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-18 01:09:48,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-12-18 01:09:48,304 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:09:48,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:09:48,304 INFO L85 PathProgramCache]: Analyzing trace with hash -523305437, now seen corresponding path program 1 times [2021-12-18 01:09:48,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:09:48,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331040219] [2021-12-18 01:09:48,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:09:48,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:09:48,353 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 01:09:48,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [968652439] [2021-12-18 01:09:48,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:09:48,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:09:48,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:09:48,355 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) [2021-12-18 01:09:48,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 01:09:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:48,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 2635 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-18 01:09:48,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:09:49,005 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-12-18 01:09:49,006 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:09:49,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:09:49,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331040219] [2021-12-18 01:09:49,006 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 01:09:49,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968652439] [2021-12-18 01:09:49,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968652439] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:09:49,007 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:09:49,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 01:09:49,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672292682] [2021-12-18 01:09:49,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:09:49,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 01:09:49,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:09:49,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 01:09:49,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 01:09:49,008 INFO L87 Difference]: Start difference. First operand 462 states and 685 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-18 01:09:50,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:09:50,756 INFO L93 Difference]: Finished difference Result 896 states and 1369 transitions. [2021-12-18 01:09:50,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 01:09:50,756 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 156 [2021-12-18 01:09:50,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:09:50,759 INFO L225 Difference]: With dead ends: 896 [2021-12-18 01:09:50,759 INFO L226 Difference]: Without dead ends: 470 [2021-12-18 01:09:50,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-12-18 01:09:50,761 INFO L933 BasicCegarLoop]: 562 mSDtfsCounter, 667 mSDsluCounter, 2145 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 2707 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-18 01:09:50,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [689 Valid, 2707 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-18 01:09:50,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2021-12-18 01:09:50,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 462. [2021-12-18 01:09:50,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 274 states have (on average 1.2445255474452555) internal successors, (341), 278 states have internal predecessors, (341), 158 states have call successors, (158), 27 states have call predecessors, (158), 28 states have return successors, (186), 157 states have call predecessors, (186), 156 states have call successors, (186) [2021-12-18 01:09:50,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 685 transitions. [2021-12-18 01:09:50,790 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 685 transitions. Word has length 156 [2021-12-18 01:09:50,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:09:50,790 INFO L470 AbstractCegarLoop]: Abstraction has 462 states and 685 transitions. [2021-12-18 01:09:50,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-18 01:09:50,791 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 685 transitions. [2021-12-18 01:09:50,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-12-18 01:09:50,792 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:09:50,792 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:09:50,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-18 01:09:51,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:09:51,013 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:09:51,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:09:51,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1664024204, now seen corresponding path program 1 times [2021-12-18 01:09:51,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:09:51,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759635358] [2021-12-18 01:09:51,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:09:51,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:09:51,103 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 01:09:51,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1691662580] [2021-12-18 01:09:51,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:09:51,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:09:51,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:09:51,120 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) [2021-12-18 01:09:51,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-18 01:09:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:09:51,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 2707 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-18 01:09:51,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:09:51,822 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-12-18 01:09:51,822 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:09:51,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:09:51,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759635358] [2021-12-18 01:09:51,822 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 01:09:51,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691662580] [2021-12-18 01:09:51,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691662580] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:09:51,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:09:51,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 01:09:51,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458683442] [2021-12-18 01:09:51,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:09:51,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 01:09:51,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:09:51,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 01:09:51,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-18 01:09:51,824 INFO L87 Difference]: Start difference. First operand 462 states and 685 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2021-12-18 01:09:54,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:09:54,870 INFO L93 Difference]: Finished difference Result 906 states and 1373 transitions. [2021-12-18 01:09:54,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 01:09:54,871 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 172 [2021-12-18 01:09:54,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:09:54,878 INFO L225 Difference]: With dead ends: 906 [2021-12-18 01:09:54,878 INFO L226 Difference]: Without dead ends: 480 [2021-12-18 01:09:54,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-12-18 01:09:54,885 INFO L933 BasicCegarLoop]: 541 mSDtfsCounter, 732 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 782 SdHoareTripleChecker+Valid, 3644 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-12-18 01:09:54,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [782 Valid, 3644 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-12-18 01:09:54,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2021-12-18 01:09:54,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 462. [2021-12-18 01:09:54,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 274 states have (on average 1.2445255474452555) internal successors, (341), 278 states have internal predecessors, (341), 158 states have call successors, (158), 27 states have call predecessors, (158), 28 states have return successors, (186), 157 states have call predecessors, (186), 156 states have call successors, (186) [2021-12-18 01:09:54,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 685 transitions. [2021-12-18 01:09:54,907 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 685 transitions. Word has length 172 [2021-12-18 01:09:54,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:09:54,908 INFO L470 AbstractCegarLoop]: Abstraction has 462 states and 685 transitions. [2021-12-18 01:09:54,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2021-12-18 01:09:54,908 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 685 transitions. [2021-12-18 01:09:54,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-18 01:09:54,909 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:09:54,910 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:09:54,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-18 01:09:55,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:09:55,121 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:09:55,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:09:55,122 INFO L85 PathProgramCache]: Analyzing trace with hash -294824304, now seen corresponding path program 2 times [2021-12-18 01:09:55,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:09:55,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892972536] [2021-12-18 01:09:55,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:09:55,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:09:55,238 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-18 01:09:55,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [850282864] [2021-12-18 01:09:55,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 01:09:55,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:09:55,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:09:55,246 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) [2021-12-18 01:09:55,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-18 01:09:55,987 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 01:09:55,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 01:09:56,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 2848 conjuncts, 299 conjunts are in the unsatisfiable core [2021-12-18 01:09:56,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:09:56,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-12-18 01:09:56,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 46 [2021-12-18 01:09:56,436 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-18 01:09:56,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 43 treesize of output 19 [2021-12-18 01:09:59,224 INFO L354 Elim1Store]: treesize reduction 460, result has 50.1 percent of original size [2021-12-18 01:09:59,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 116 select indices, 116 select index equivalence classes, 6555 disjoint index pairs (out of 6670 index pairs), introduced 116 new quantified variables, introduced 115 case distinctions, treesize of input 581 treesize of output 809 [2021-12-18 01:10:18,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:10:18,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892972536] [2021-12-18 01:10:18,843 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-18 01:10:18,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850282864] [2021-12-18 01:10:18,843 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Requested array size exceeds VM limit [2021-12-18 01:10:18,843 INFO L186 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:10:18,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-12-18 01:10:18,844 ERROR L172 FreeRefinementEngine]: Strategy CAMEL failed to provide any proof altough trace is infeasible [2021-12-18 01:10:18,844 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2021-12-18 01:10:18,850 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-12-18 01:10:18,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-18 01:10:18,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-18 01:10:19,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:10:19,070 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2021-12-18 01:10:19,071 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 01:10:19,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 01:10:19 BoogieIcfgContainer [2021-12-18 01:10:19,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 01:10:19,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 01:10:19,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 01:10:19,098 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 01:10:19,098 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:09:40" (3/4) ... [2021-12-18 01:10:19,100 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-18 01:10:19,100 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 01:10:19,101 INFO L158 Benchmark]: Toolchain (without parser) took 42067.58ms. Allocated memory was 98.6MB in the beginning and 662.7MB in the end (delta: 564.1MB). Free memory was 64.4MB in the beginning and 243.7MB in the end (delta: -179.3MB). Peak memory consumption was 385.6MB. Max. memory is 16.1GB. [2021-12-18 01:10:19,101 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 98.6MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 01:10:19,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1611.74ms. Allocated memory was 98.6MB in the beginning and 159.4MB in the end (delta: 60.8MB). Free memory was 64.2MB in the beginning and 80.3MB in the end (delta: -16.1MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2021-12-18 01:10:19,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.89ms. Allocated memory is still 159.4MB. Free memory was 80.3MB in the beginning and 69.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 01:10:19,102 INFO L158 Benchmark]: Boogie Preprocessor took 132.63ms. Allocated memory is still 159.4MB. Free memory was 69.4MB in the beginning and 106.5MB in the end (delta: -37.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-12-18 01:10:19,102 INFO L158 Benchmark]: RCFGBuilder took 1745.58ms. Allocated memory was 159.4MB in the beginning and 268.4MB in the end (delta: 109.1MB). Free memory was 106.5MB in the beginning and 190.0MB in the end (delta: -83.5MB). Peak memory consumption was 87.4MB. Max. memory is 16.1GB. [2021-12-18 01:10:19,102 INFO L158 Benchmark]: TraceAbstraction took 38431.10ms. Allocated memory was 268.4MB in the beginning and 662.7MB in the end (delta: 394.3MB). Free memory was 190.0MB in the beginning and 243.7MB in the end (delta: -53.8MB). Peak memory consumption was 341.6MB. Max. memory is 16.1GB. [2021-12-18 01:10:19,102 INFO L158 Benchmark]: Witness Printer took 2.70ms. Allocated memory is still 662.7MB. Free memory is still 243.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 01:10:19,103 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 98.6MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1611.74ms. Allocated memory was 98.6MB in the beginning and 159.4MB in the end (delta: 60.8MB). Free memory was 64.2MB in the beginning and 80.3MB in the end (delta: -16.1MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 138.89ms. Allocated memory is still 159.4MB. Free memory was 80.3MB in the beginning and 69.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 132.63ms. Allocated memory is still 159.4MB. Free memory was 69.4MB in the beginning and 106.5MB in the end (delta: -37.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1745.58ms. Allocated memory was 159.4MB in the beginning and 268.4MB in the end (delta: 109.1MB). Free memory was 106.5MB in the beginning and 190.0MB in the end (delta: -83.5MB). Peak memory consumption was 87.4MB. Max. memory is 16.1GB. * TraceAbstraction took 38431.10ms. Allocated memory was 268.4MB in the beginning and 662.7MB in the end (delta: 394.3MB). Free memory was 190.0MB in the beginning and 243.7MB in the end (delta: -53.8MB). Peak memory consumption was 341.6MB. Max. memory is 16.1GB. * Witness Printer took 2.70ms. Allocated memory is still 662.7MB. Free memory is still 243.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint, overapproximation of large string literal at line 7788, overapproximation of __builtin_umull_overflow at line 255. Possible FailurePath: [L6915-L6920] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7360] static __thread int tl_last_error = 0; [L7787-L7935] static struct aws_error_info errors[] = { [(AWS_ERROR_SUCCESS)-0x0000] = { .literal_name = "AWS_ERROR_SUCCESS", .error_code = (AWS_ERROR_SUCCESS), .error_str = ("Success."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SUCCESS" ", " "Success.", } , [(AWS_ERROR_OOM)-0x0000] = { .literal_name = "AWS_ERROR_OOM", .error_code = (AWS_ERROR_OOM), .error_str = ("Out of memory."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OOM" ", " "Out of memory.", } , [(AWS_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_UNKNOWN", .error_code = (AWS_ERROR_UNKNOWN), .error_str = ("Unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNKNOWN" ", " "Unknown error.", } , [(AWS_ERROR_SHORT_BUFFER)-0x0000] = { .literal_name = "AWS_ERROR_SHORT_BUFFER", .error_code = (AWS_ERROR_SHORT_BUFFER), .error_str = ("Buffer is not large enough to hold result."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SHORT_BUFFER" ", " "Buffer is not large enough to hold result.", } , [(AWS_ERROR_OVERFLOW_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_OVERFLOW_DETECTED", .error_code = (AWS_ERROR_OVERFLOW_DETECTED), .error_str = ("Fixed size value overflow was detected."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OVERFLOW_DETECTED" ", " "Fixed size value overflow was detected.", } , [(AWS_ERROR_UNSUPPORTED_OPERATION)-0x0000] = { .literal_name = "AWS_ERROR_UNSUPPORTED_OPERATION", .error_code = (AWS_ERROR_UNSUPPORTED_OPERATION), .error_str = ("Unsupported operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNSUPPORTED_OPERATION" ", " "Unsupported operation.", } , [(AWS_ERROR_INVALID_BUFFER_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BUFFER_SIZE", .error_code = (AWS_ERROR_INVALID_BUFFER_SIZE), .error_str = ("Invalid buffer size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BUFFER_SIZE" ", " "Invalid buffer size.", } , [(AWS_ERROR_INVALID_HEX_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_HEX_STR", .error_code = (AWS_ERROR_INVALID_HEX_STR), .error_str = ("Invalid hex string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_HEX_STR" ", " "Invalid hex string.", } , [(AWS_ERROR_INVALID_BASE64_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BASE64_STR", .error_code = (AWS_ERROR_INVALID_BASE64_STR), .error_str = ("Invalid base64 string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BASE64_STR" ", " "Invalid base64 string.", } , [(AWS_ERROR_INVALID_INDEX)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_INDEX", .error_code = (AWS_ERROR_INVALID_INDEX), .error_str = ("Invalid index for list access."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_INDEX" ", " "Invalid index for list access.", } , [(AWS_ERROR_THREAD_INVALID_SETTINGS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INVALID_SETTINGS", .error_code = (AWS_ERROR_THREAD_INVALID_SETTINGS), .error_str = ("Invalid thread settings."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INVALID_SETTINGS" ", " "Invalid thread settings.", } , [(AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE", .error_code = (AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE), .error_str = ("Insufficent resources for thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE" ", " "Insufficent resources for thread.", } , [(AWS_ERROR_THREAD_NO_PERMISSIONS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_PERMISSIONS", .error_code = (AWS_ERROR_THREAD_NO_PERMISSIONS), .error_str = ("Insufficient permissions for thread operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_PERMISSIONS" ", " "Insufficient permissions for thread operation.", } , [(AWS_ERROR_THREAD_NOT_JOINABLE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NOT_JOINABLE", .error_code = (AWS_ERROR_THREAD_NOT_JOINABLE), .error_str = ("Thread not joinable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NOT_JOINABLE" ", " "Thread not joinable.", } , [(AWS_ERROR_THREAD_NO_SUCH_THREAD_ID)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID", .error_code = (AWS_ERROR_THREAD_NO_SUCH_THREAD_ID), .error_str = ("No such thread ID."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID" ", " "No such thread ID.", } , [(AWS_ERROR_THREAD_DEADLOCK_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_DEADLOCK_DETECTED", .error_code = (AWS_ERROR_THREAD_DEADLOCK_DETECTED), .error_str = ("Deadlock detected in thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_DEADLOCK_DETECTED" ", " "Deadlock detected in thread.", } , [(AWS_ERROR_MUTEX_NOT_INIT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_NOT_INIT", .error_code = (AWS_ERROR_MUTEX_NOT_INIT), .error_str = ("Mutex not initialized."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_NOT_INIT" ", " "Mutex not initialized.", } , [(AWS_ERROR_MUTEX_TIMEOUT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_TIMEOUT", .error_code = (AWS_ERROR_MUTEX_TIMEOUT), .error_str = ("Mutex operation timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_TIMEOUT" ", " "Mutex operation timed out.", } , [(AWS_ERROR_MUTEX_CALLER_NOT_OWNER)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_CALLER_NOT_OWNER", .error_code = (AWS_ERROR_MUTEX_CALLER_NOT_OWNER), .error_str = ("The caller of a mutex operation was not the owner."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_CALLER_NOT_OWNER" ", " "The caller of a mutex operation was not the owner.", } , [(AWS_ERROR_MUTEX_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_FAILED", .error_code = (AWS_ERROR_MUTEX_FAILED), .error_str = ("Mutex operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_FAILED" ", " "Mutex operation failed.", } , [(AWS_ERROR_COND_VARIABLE_INIT_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_INIT_FAILED", .error_code = (AWS_ERROR_COND_VARIABLE_INIT_FAILED), .error_str = ("Condition variable initialization failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_INIT_FAILED" ", " "Condition variable initialization failed.", } , [(AWS_ERROR_COND_VARIABLE_TIMED_OUT)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_TIMED_OUT", .error_code = (AWS_ERROR_COND_VARIABLE_TIMED_OUT), .error_str = ("Condition variable wait timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_TIMED_OUT" ", " "Condition variable wait timed out.", } , [(AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN", .error_code = (AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN), .error_str = ("Condition variable unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN" ", " "Condition variable unknown error.", } , [(AWS_ERROR_CLOCK_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_CLOCK_FAILURE", .error_code = (AWS_ERROR_CLOCK_FAILURE), .error_str = ("Clock operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_CLOCK_FAILURE" ", " "Clock operation failed.", } , [(AWS_ERROR_LIST_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EMPTY", .error_code = (AWS_ERROR_LIST_EMPTY), .error_str = ("Empty list."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EMPTY" ", " "Empty list.", } , [(AWS_ERROR_DEST_COPY_TOO_SMALL)-0x0000] = { .literal_name = "AWS_ERROR_DEST_COPY_TOO_SMALL", .error_code = (AWS_ERROR_DEST_COPY_TOO_SMALL), .error_str = ("Destination of copy is too small."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_DEST_COPY_TOO_SMALL" ", " "Destination of copy is too small.", } , [(AWS_ERROR_LIST_EXCEEDS_MAX_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE", .error_code = (AWS_ERROR_LIST_EXCEEDS_MAX_SIZE), .error_str = ("A requested operation on a list would exceed it's max size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE" ", " "A requested operation on a list would exceed it's max size.", } , [(AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK)-0x0000] = { .literal_name = "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK", .error_code = (AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK), .error_str = ("Attempt to shrink a list in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK" ", " "Attempt to shrink a list in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_FULL)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_FULL", .error_code = (AWS_ERROR_PRIORITY_QUEUE_FULL), .error_str = ("Attempt to add items to a full preallocated queue in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_FULL" ", " "Attempt to add items to a full preallocated queue in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_EMPTY", .error_code = (AWS_ERROR_PRIORITY_QUEUE_EMPTY), .error_str = ("Attempt to pop an item from an empty queue."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_EMPTY" ", " "Attempt to pop an item from an empty queue.", } , [(AWS_ERROR_PRIORITY_QUEUE_BAD_NODE)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE", .error_code = (AWS_ERROR_PRIORITY_QUEUE_BAD_NODE), .error_str = ("Bad node handle passed to remove."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE" ", " "Bad node handle passed to remove.", } , [(AWS_ERROR_HASHTBL_ITEM_NOT_FOUND)-0x0000] = { .literal_name = "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND", .error_code = (AWS_ERROR_HASHTBL_ITEM_NOT_FOUND), .error_str = ("Item not found in hash table."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND" ", " "Item not found in hash table.", } , [(AWS_ERROR_INVALID_DATE_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_DATE_STR", .error_code = (AWS_ERROR_INVALID_DATE_STR), .error_str = ("Date string is invalid and cannot be parsed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_DATE_STR" ", " "Date string is invalid and cannot be parsed.", } , [(AWS_ERROR_INVALID_ARGUMENT)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_ARGUMENT", .error_code = (AWS_ERROR_INVALID_ARGUMENT), .error_str = ("An invalid argument was passed to a function."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_ARGUMENT" ", " "An invalid argument was passed to a function.", } , [(AWS_ERROR_RANDOM_GEN_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_RANDOM_GEN_FAILED", .error_code = (AWS_ERROR_RANDOM_GEN_FAILED), .error_str = ("A call to the random number generator failed. Retry later."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_RANDOM_GEN_FAILED" ", " "A call to the random number generator failed. Retry later.", } , [(AWS_ERROR_MALFORMED_INPUT_STRING)-0x0000] = { .literal_name = "AWS_ERROR_MALFORMED_INPUT_STRING", .error_code = (AWS_ERROR_MALFORMED_INPUT_STRING), .error_str = ("An input string was passed to a parser and the string was incorrectly formatted."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MALFORMED_INPUT_STRING" ", " "An input string was passed to a parser and the string was incorrectly formatted.", } , [(AWS_ERROR_UNIMPLEMENTED)-0x0000] = { .literal_name = "AWS_ERROR_UNIMPLEMENTED", .error_code = (AWS_ERROR_UNIMPLEMENTED), .error_str = ("A function was called, but is not implemented."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNIMPLEMENTED" ", " "A function was called, but is not implemented.", } , [(AWS_ERROR_INVALID_STATE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_STATE", .error_code = (AWS_ERROR_INVALID_STATE), .error_str = ("An invalid state was encountered."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_STATE" ", " "An invalid state was encountered.", } , [(AWS_ERROR_ENVIRONMENT_GET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_GET", .error_code = (AWS_ERROR_ENVIRONMENT_GET), .error_str = ("System call failure when getting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_GET" ", " "System call failure when getting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_SET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_SET", .error_code = (AWS_ERROR_ENVIRONMENT_SET), .error_str = ("System call failure when setting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_SET" ", " "System call failure when setting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_UNSET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_UNSET", .error_code = (AWS_ERROR_ENVIRONMENT_UNSET), .error_str = ("System call failure when unsetting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_UNSET" ", " "System call failure when unsetting an environment variable.", } , [(AWS_ERROR_SYS_CALL_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_SYS_CALL_FAILURE", .error_code = (AWS_ERROR_SYS_CALL_FAILURE), .error_str = ("System call failure"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SYS_CALL_FAILURE" ", " "System call failure", } , [(AWS_ERROR_FILE_INVALID_PATH)-0x0000] = { .literal_name = "AWS_ERROR_FILE_INVALID_PATH", .error_code = (AWS_ERROR_FILE_INVALID_PATH), .error_str = ("Invalid file path."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_FILE_INVALID_PATH" ", " "Invalid file path.", } , [(AWS_ERROR_MAX_FDS_EXCEEDED)-0x0000] = { .literal_name = "AWS_ERROR_MAX_FDS_EXCEEDED", .error_code = (AWS_ERROR_MAX_FDS_EXCEEDED), .error_str = ("The maximum number of fds has been exceeded."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MAX_FDS_EXCEEDED" ", " "The maximum number of fds has been exceeded.", } , [(AWS_ERROR_NO_PERMISSION)-0x0000] = { .literal_name = "AWS_ERROR_NO_PERMISSION", .error_code = (AWS_ERROR_NO_PERMISSION), .error_str = ("User does not have permission to perform the requested action."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_NO_PERMISSION" ", " "User does not have permission to perform the requested action.", } , [(AWS_ERROR_STREAM_UNSEEKABLE)-0x0000] = { .literal_name = "AWS_ERROR_STREAM_UNSEEKABLE", .error_code = (AWS_ERROR_STREAM_UNSEEKABLE), .error_str = ("Stream does not support seek operations"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_STREAM_UNSEEKABLE" ", " "Stream does not support seek operations", } , }; [L7938-L7941] static struct aws_error_info_list s_list = { .error_list = errors, .count = (sizeof(errors) / sizeof((errors)[0])), }; [L7943-L7952] static struct aws_log_subject_info s_common_log_subject_infos[] = { { .subject_id = (AWS_LS_COMMON_GENERAL), .subject_name = ("aws-c-common"), .subject_description = ("Subject for aws-c-common logging that doesn't belong to any particular category") } , { .subject_id = (AWS_LS_COMMON_TASK_SCHEDULER), .subject_name = ("task-scheduler"), .subject_description = ("Subject for task scheduler or task specific logging.") } , }; [L7954-L7957] static struct aws_log_subject_info_list s_common_log_subject_list = { .subject_list = s_common_log_subject_infos, .count = (sizeof(s_common_log_subject_infos) / sizeof((s_common_log_subject_infos)[0])), }; [L7959-L7963] static _Bool s_common_library_initialized = 0 ; [L8492] CALL aws_priority_queue_pop_harness() [L8450] struct aws_priority_queue queue; [L8453] CALL, EXPR aws_priority_queue_is_bounded(&queue, 9223372036854775808U, 2) [L6791] CALL, EXPR aws_array_list_is_bounded(&queue->container, max_initial_item_allocation, max_item_size) [L6735] EXPR list->item_size [L6734-L6735] _Bool item_size_is_bounded = list->item_size <= max_item_size; [L6738] EXPR list->length [L6737-L6738] _Bool length_is_bounded = list->length <= max_initial_item_allocation; [L6739] return item_size_is_bounded && length_is_bounded; [L6791] RET, EXPR aws_array_list_is_bounded(&queue->container, max_initial_item_allocation, max_item_size) [L6789-L6791] _Bool container_is_bounded = aws_array_list_is_bounded(&queue->container, max_initial_item_allocation, max_item_size); [L6798-L6799] CALL, EXPR aws_array_list_is_bounded( &queue->backpointers, max_initial_item_allocation, sizeof(struct aws_priority_queue_node *)) [L6735] EXPR list->item_size [L6734-L6735] _Bool item_size_is_bounded = list->item_size <= max_item_size; [L6738] EXPR list->length [L6737-L6738] _Bool length_is_bounded = list->length <= max_initial_item_allocation; [L6739] return item_size_is_bounded && length_is_bounded; [L6798-L6799] RET, EXPR aws_array_list_is_bounded( &queue->backpointers, max_initial_item_allocation, sizeof(struct aws_priority_queue_node *)) [L6797-L6799] _Bool backpointers_list_is_bounded = aws_array_list_is_bounded( &queue->backpointers, max_initial_item_allocation, sizeof(struct aws_priority_queue_node *)); [L6800] return container_is_bounded && backpointers_list_is_bounded; [L8453] RET, EXPR aws_priority_queue_is_bounded(&queue, 9223372036854775808U, 2) [L8453] CALL assume_abort_if_not(aws_priority_queue_is_bounded(&queue, 9223372036854775808U, 2)) [L211] COND FALSE !(!cond) [L8453] RET assume_abort_if_not(aws_priority_queue_is_bounded(&queue, 9223372036854775808U, 2)) [L8454] CALL ensure_priority_queue_has_allocated_members(&queue) [L6804] CALL ensure_array_list_has_allocated_data_member(&queue->container) [L6743] EXPR list->current_size [L6743] list->current_size == 0 && list->length == 0 [L6743] EXPR list->length [L6743] list->current_size == 0 && list->length == 0 [L6743] COND TRUE list->current_size == 0 && list->length == 0 [L6744] EXPR list->data [L6744-L6746] CALL assume_abort_if_not(list->data == ((void *)0) ) [L211] COND FALSE !(!cond) [L6744-L6746] RET assume_abort_if_not(list->data == ((void *)0) ) [L6747] CALL, EXPR can_fail_allocator() [L6939] return &s_can_fail_allocator_static; [L6747] RET, EXPR can_fail_allocator() [L6747] list->alloc = can_fail_allocator() [L6804] RET ensure_array_list_has_allocated_data_member(&queue->container) [L6805] CALL ensure_array_list_has_allocated_data_member(&queue->backpointers) [L6743] EXPR list->current_size [L6743] list->current_size == 0 && list->length == 0 [L6743] EXPR list->length [L6743] list->current_size == 0 && list->length == 0 [L6743] COND TRUE list->current_size == 0 && list->length == 0 [L6744] EXPR list->data [L6744-L6746] CALL assume_abort_if_not(list->data == ((void *)0) ) [L211] COND FALSE !(!cond) [L6744-L6746] RET assume_abort_if_not(list->data == ((void *)0) ) [L6747] CALL, EXPR can_fail_allocator() [L6939] return &s_can_fail_allocator_static; [L6747] RET, EXPR can_fail_allocator() [L6747] list->alloc = can_fail_allocator() [L6805] RET ensure_array_list_has_allocated_data_member(&queue->backpointers) [L6806] queue->pred = nondet_compare [L8454] RET ensure_priority_queue_has_allocated_members(&queue) [L8457] CALL, EXPR aws_priority_queue_is_valid(&queue) [L8279] COND FALSE !(!queue) [L8286] EXPR queue->pred [L8285-L8288] _Bool pred_is_valid = (queue->pred != ((void *)0) ); [L8291] CALL, EXPR aws_array_list_is_valid(&queue->container) [L2939] COND FALSE !(!list) [L2944] size_t required_size = 0; [L2948] EXPR list->length [L2948] EXPR list->item_size [L2948] CALL, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) [L2590] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2498] CALL __CPROVER_overflow_mult(a, b) [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2498] RET __CPROVER_overflow_mult(a, b) [L2498] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2500] *r = a * b [L2501] return (0); [L2590] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2590] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L2948] RET, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) [L2946-L2948] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L2951] EXPR list->current_size [L2951] EXPR \read(required_size) [L2950-L2951] _Bool current_size_is_valid = (list->current_size >= required_size); [L2955] EXPR list->current_size [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955] EXPR list->data [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955-L2957] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L2953-L2957] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L2960] EXPR list->item_size [L2959-L2960] _Bool item_size_is_valid = (list->item_size != 0); [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L2944] size_t required_size = 0; [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L8291] RET, EXPR aws_array_list_is_valid(&queue->container) [L8290-L8291] _Bool container_is_valid = aws_array_list_is_valid(&queue->container); [L8295] CALL, EXPR aws_priority_queue_backpointers_valid(queue) [L8220] COND FALSE !(!queue) [L8230] CALL, EXPR aws_array_list_is_valid(&queue->backpointers) [L2939] COND FALSE !(!list) [L2944] size_t required_size = 0; [L2948] EXPR list->length [L2948] EXPR list->item_size [L2948] CALL, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) [L2590] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2498] CALL __CPROVER_overflow_mult(a, b) [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2498] RET __CPROVER_overflow_mult(a, b) [L2498] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2500] *r = a * b [L2501] return (0); [L2590] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2590] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L2948] RET, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) [L2946-L2948] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L2951] EXPR list->current_size [L2951] EXPR \read(required_size) [L2950-L2951] _Bool current_size_is_valid = (list->current_size >= required_size); [L2955] EXPR list->current_size [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955] EXPR list->data [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955-L2957] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L2953-L2957] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L2960] EXPR list->item_size [L2959-L2960] _Bool item_size_is_valid = (list->item_size != 0); [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L2944] size_t required_size = 0; [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L8230] RET, EXPR aws_array_list_is_valid(&queue->backpointers) [L8230] EXPR aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) [L8230] EXPR queue->backpointers.current_size [L8230] EXPR aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) [L8230-L8233] EXPR aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) && (queue->backpointers.data != ((void *)0) ) [L8231] EXPR queue->backpointers.data [L8230-L8233] EXPR aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) && (queue->backpointers.data != ((void *)0) ) [L8228-L8233] _Bool backpointer_list_is_valid = ((aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) && (queue->backpointers.data != ((void *)0) ))); [L8241] EXPR queue->backpointers.item_size [L8240-L8241] _Bool backpointer_list_item_size = queue->backpointers.item_size == sizeof(struct aws_priority_queue_node *); [L8244] EXPR queue->backpointers.length [L8244] EXPR queue->container.length [L8243-L8244] _Bool lists_equal_lengths = queue->backpointers.length == queue->container.length; [L8247] EXPR queue->backpointers.current_size [L8246-L8247] _Bool backpointers_non_zero_current_size = queue->backpointers.current_size > 0; [L8255-L8258] _Bool backpointers_valid_deep = 1 ; [L8263] EXPR queue->backpointers.current_size [L8263] EXPR queue->backpointers.current_size == 0 && queue->backpointers.length == 0 [L8263] EXPR queue->backpointers.length [L8263] EXPR queue->backpointers.current_size == 0 && queue->backpointers.length == 0 [L8263-L8264] EXPR queue->backpointers.current_size == 0 && queue->backpointers.length == 0 && queue->backpointers.data == ((void *)0) [L8263] EXPR queue->backpointers.data [L8263-L8264] EXPR queue->backpointers.current_size == 0 && queue->backpointers.length == 0 && queue->backpointers.data == ((void *)0) [L8261-L8265] _Bool backpointers_zero = (queue->backpointers.current_size == 0 && queue->backpointers.length == 0 && queue->backpointers.data == ((void *)0) ); [L8267-L8270] _Bool backpointer_struct_is_valid = backpointers_zero || (backpointer_list_item_size && lists_equal_lengths && backpointers_non_zero_current_size && backpointers_valid_deep); [L8272] EXPR (backpointer_list_is_valid && backpointer_struct_is_valid) || aws_is_mem_zeroed(&(queue->backpointers), sizeof(queue->backpointers)) [L8272] return ((backpointer_list_is_valid && backpointer_struct_is_valid) || aws_is_mem_zeroed(&(queue->backpointers), sizeof(queue->backpointers))); [L8295] RET, EXPR aws_priority_queue_backpointers_valid(queue) [L8294-L8295] _Bool backpointers_valid = aws_priority_queue_backpointers_valid(queue); [L8296] return pred_is_valid && container_is_valid && backpointers_valid; [L8457] RET, EXPR aws_priority_queue_is_valid(&queue) [L8457] CALL assume_abort_if_not(aws_priority_queue_is_valid(&queue)) [L211] COND FALSE !(!cond) [L8457] RET assume_abort_if_not(aws_priority_queue_is_valid(&queue)) [L8458] EXPR queue.container.item_size [L8458] CALL, EXPR can_fail_malloc(queue.container.item_size) [L6949] CALL, EXPR nondet_bool() [L261] return __VERIFIER_nondet_bool(); [L6949] RET, EXPR nondet_bool() [L6949-L6951] EXPR nondet_bool() ? ((void *)0) : bounded_malloc(size) [L6949-L6951] return nondet_bool() ? ((void *)0) : bounded_malloc(size); [L8458] RET, EXPR can_fail_malloc(queue.container.item_size) [L8458] void *item = can_fail_malloc(queue.container.item_size); [L8460] queue.backpointers.data [L8460] COND FALSE !(queue.backpointers.data) [L8476] struct aws_priority_queue old_queue = queue; [L8479] EXPR item && ((((queue.container.item_size)) == 0) || ((item))) [L8479] EXPR queue.container.item_size [L8479] EXPR item && ((((queue.container.item_size)) == 0) || ((item))) [L8479] CALL assume_abort_if_not(item && ((((queue.container.item_size)) == 0) || ((item)))) [L211] COND FALSE !(!cond) [L8479] RET assume_abort_if_not(item && ((((queue.container.item_size)) == 0) || ((item)))) [L8482] CALL aws_priority_queue_pop(&queue, item) [L8427] CALL, EXPR aws_priority_queue_is_valid(queue) [L8279] COND TRUE !queue [L8280-L8282] return 0 ; [L8427] RET, EXPR aws_priority_queue_is_valid(queue) [L8427] CALL assume_abort_if_not((aws_priority_queue_is_valid(queue))) [L211] COND FALSE !(!cond) [L8427] RET assume_abort_if_not((aws_priority_queue_is_valid(queue))) [L8428] EXPR item && ((((queue->container.item_size)) == 0) || ((item))) [L8428] EXPR queue->container.item_size [L8428] EXPR item && ((((queue->container.item_size)) == 0) || ((item))) [L8428] CALL assume_abort_if_not((item && ((((queue->container.item_size)) == 0) || ((item))))) [L211] COND FALSE !(!cond) [L8428] RET assume_abort_if_not((item && ((((queue->container.item_size)) == 0) || ((item))))) [L8429] CALL aws_array_list_length(&queue->container) [L3169] EXPR list->length [L3169] EXPR !list->length || list->data [L3169] CALL assume_abort_if_not((!list->length || list->data)) [L211] COND FALSE !(!cond) [L3169] RET assume_abort_if_not((!list->length || list->data)) [L3170] CALL, EXPR aws_array_list_is_valid(list) [L2939] COND TRUE !list [L2940-L2942] return 0 ; [L3170] RET, EXPR aws_array_list_is_valid(list) [L3170] CALL assume_abort_if_not((aws_array_list_is_valid(list))) [L211] COND FALSE !(!cond) [L3170] RET assume_abort_if_not((aws_array_list_is_valid(list))) [L3171] EXPR list->length [L3171] size_t len = list->length; [L3172] CALL, EXPR aws_array_list_is_valid(list) [L2939] COND TRUE !list [L2940-L2942] return 0 ; [L3172] RET, EXPR aws_array_list_is_valid(list) [L3172] CALL __VERIFIER_assert((aws_array_list_is_valid(list))) [L223] COND TRUE !cond [L223] reach_error() - UnprovableResult [Line: 233]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 448 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 38.3s, OverallIterations: 6, TraceHistogramMax: 9, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3376 SdHoareTripleChecker+Valid, 8.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3174 mSDsluCounter, 12743 SdHoareTripleChecker+Invalid, 7.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9818 mSDsCounter, 1029 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2202 IncrementalHoareTripleChecker+Invalid, 3231 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1029 mSolverCounterUnsat, 2925 mSDtfsCounter, 2202 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 773 GetRequests, 713 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=462occurred in iteration=3, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 208 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 24.9s InterpolantComputationTime, 1196 NumberOfCodeBlocks, 1196 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1002 ConstructedInterpolants, 0 QuantifiedInterpolants, 1675 SizeOfPredicates, 14 NumberOfNonLiveVariables, 13128 ConjunctsInSsa, 327 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 1202/1213 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-18 01:10:19,123 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_pop_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 71774aeec0d0f8840a1b18b633767b26c38c9eb9d26569d28cdf01c44c9881ac --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 01:10:20,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 01:10:20,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 01:10:20,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 01:10:20,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 01:10:20,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 01:10:20,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 01:10:20,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 01:10:20,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 01:10:20,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 01:10:20,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 01:10:20,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 01:10:20,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 01:10:20,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 01:10:20,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 01:10:20,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 01:10:20,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 01:10:20,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 01:10:20,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 01:10:20,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 01:10:20,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 01:10:20,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 01:10:20,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 01:10:20,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 01:10:20,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 01:10:20,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 01:10:20,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 01:10:20,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 01:10:20,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 01:10:20,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 01:10:20,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 01:10:20,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 01:10:20,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 01:10:20,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 01:10:20,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 01:10:20,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 01:10:20,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 01:10:20,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 01:10:20,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 01:10:20,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 01:10:20,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 01:10:20,802 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-18 01:10:20,830 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 01:10:20,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 01:10:20,831 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 01:10:20,831 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 01:10:20,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 01:10:20,832 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 01:10:20,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 01:10:20,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 01:10:20,833 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 01:10:20,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 01:10:20,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 01:10:20,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 01:10:20,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 01:10:20,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 01:10:20,835 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 01:10:20,835 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-18 01:10:20,835 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-18 01:10:20,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 01:10:20,835 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 01:10:20,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 01:10:20,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 01:10:20,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 01:10:20,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 01:10:20,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 01:10:20,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 01:10:20,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 01:10:20,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 01:10:20,837 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-18 01:10:20,837 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-18 01:10:20,837 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 01:10:20,837 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 01:10:20,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 01:10:20,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 01:10:20,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-18 01:10:20,838 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71774aeec0d0f8840a1b18b633767b26c38c9eb9d26569d28cdf01c44c9881ac [2021-12-18 01:10:21,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 01:10:21,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 01:10:21,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 01:10:21,134 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 01:10:21,135 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 01:10:21,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2021-12-18 01:10:21,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/865c52402/060038e73f634845b67c1f79618759d2/FLAG306788632 [2021-12-18 01:10:21,839 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 01:10:21,839 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2021-12-18 01:10:21,867 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/865c52402/060038e73f634845b67c1f79618759d2/FLAG306788632 [2021-12-18 01:10:22,217 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/865c52402/060038e73f634845b67c1f79618759d2 [2021-12-18 01:10:22,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 01:10:22,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 01:10:22,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 01:10:22,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 01:10:22,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 01:10:22,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:10:22" (1/1) ... [2021-12-18 01:10:22,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62dd6763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:10:22, skipping insertion in model container [2021-12-18 01:10:22,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:10:22" (1/1) ... [2021-12-18 01:10:22,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 01:10:22,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 01:10:22,476 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_pop_harness.i[4496,4509] [2021-12-18 01:10:22,482 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_pop_harness.i[4556,4569] [2021-12-18 01:10:22,937 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:22,938 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:22,938 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:22,938 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:22,939 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:22,956 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:22,965 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:22,966 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:22,967 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:22,968 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:22,968 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:22,969 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:22,970 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,153 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-18 01:10:23,154 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-18 01:10:23,155 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-18 01:10:23,156 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-18 01:10:23,156 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-18 01:10:23,157 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-18 01:10:23,157 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-18 01:10:23,158 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-18 01:10:23,158 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-18 01:10:23,158 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-18 01:10:23,277 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-18 01:10:23,307 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,319 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,383 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,384 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,384 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,386 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,386 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,387 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,387 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,389 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,389 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,389 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,390 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,390 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,390 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,392 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,392 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,393 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,393 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,395 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,395 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,401 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,402 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,402 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 01:10:23,455 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-18 01:10:23,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 01:10:23,494 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_pop_harness.i[4496,4509] [2021-12-18 01:10:23,496 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_pop_harness.i[4556,4569] [2021-12-18 01:10:23,528 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,528 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,528 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,529 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,529 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,535 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,536 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,537 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,537 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,537 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,538 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,538 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,538 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,564 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-18 01:10:23,565 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-18 01:10:23,565 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-18 01:10:23,565 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-18 01:10:23,566 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-18 01:10:23,566 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-18 01:10:23,567 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-18 01:10:23,567 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-18 01:10:23,567 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-18 01:10:23,567 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-18 01:10:23,586 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-18 01:10:23,593 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,595 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,610 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,615 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,615 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,616 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,616 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,616 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,616 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,617 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,617 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,628 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,629 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,629 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,630 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,630 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,630 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,631 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,632 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,634 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,634 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,638 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,638 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,638 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 01:10:23,658 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 01:10:23,672 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_pop_harness.i[4496,4509] [2021-12-18 01:10:23,673 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_pop_harness.i[4556,4569] [2021-12-18 01:10:23,691 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,692 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,692 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,692 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,692 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,696 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,696 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,697 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,699 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,700 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,700 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,700 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,700 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,718 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-18 01:10:23,718 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-18 01:10:23,719 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-18 01:10:23,719 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-18 01:10:23,719 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-18 01:10:23,720 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-18 01:10:23,720 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-18 01:10:23,720 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-18 01:10:23,721 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-18 01:10:23,721 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-18 01:10:23,732 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-18 01:10:23,754 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,756 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,785 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,787 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,788 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,788 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,788 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,788 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,789 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,790 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,790 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,790 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,790 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,791 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,791 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,791 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,792 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,792 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,793 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,796 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,796 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,800 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,800 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,801 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:10:23,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 01:10:23,985 INFO L208 MainTranslator]: Completed translation [2021-12-18 01:10:23,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:10:23 WrapperNode [2021-12-18 01:10:23,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 01:10:23,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 01:10:23,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 01:10:23,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 01:10:23,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:10:23" (1/1) ... [2021-12-18 01:10:24,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:10:23" (1/1) ... [2021-12-18 01:10:24,137 INFO L137 Inliner]: procedures = 717, calls = 1918, calls flagged for inlining = 60, calls inlined = 15, statements flattened = 1015 [2021-12-18 01:10:24,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 01:10:24,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 01:10:24,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 01:10:24,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 01:10:24,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:10:23" (1/1) ... [2021-12-18 01:10:24,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:10:23" (1/1) ... [2021-12-18 01:10:24,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:10:23" (1/1) ... [2021-12-18 01:10:24,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:10:23" (1/1) ... [2021-12-18 01:10:24,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:10:23" (1/1) ... [2021-12-18 01:10:24,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:10:23" (1/1) ... [2021-12-18 01:10:24,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:10:23" (1/1) ... [2021-12-18 01:10:24,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 01:10:24,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 01:10:24,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 01:10:24,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 01:10:24,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:10:23" (1/1) ... [2021-12-18 01:10:24,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 01:10:24,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:10:24,233 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) [2021-12-18 01:10:24,243 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 [2021-12-18 01:10:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2021-12-18 01:10:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2021-12-18 01:10:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-12-18 01:10:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-12-18 01:10:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 01:10:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-12-18 01:10:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-12-18 01:10:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-12-18 01:10:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-12-18 01:10:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-18 01:10:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-18 01:10:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-18 01:10:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-18 01:10:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-18 01:10:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2021-12-18 01:10:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2021-12-18 01:10:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-12-18 01:10:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-12-18 01:10:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-18 01:10:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-18 01:10:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2021-12-18 01:10:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2021-12-18 01:10:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-18 01:10:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-18 01:10:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 01:10:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 01:10:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 01:10:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2021-12-18 01:10:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2021-12-18 01:10:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-12-18 01:10:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-12-18 01:10:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 01:10:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 01:10:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-18 01:10:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-18 01:10:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-18 01:10:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-18 01:10:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-12-18 01:10:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-12-18 01:10:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 01:10:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-12-18 01:10:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-12-18 01:10:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2021-12-18 01:10:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2021-12-18 01:10:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-12-18 01:10:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-12-18 01:10:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 01:10:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 01:10:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 01:10:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 01:10:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-12-18 01:10:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-12-18 01:10:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2021-12-18 01:10:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2021-12-18 01:10:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 01:10:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 01:10:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-18 01:10:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 01:10:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2021-12-18 01:10:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2021-12-18 01:10:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-18 01:10:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-18 01:10:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-12-18 01:10:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-12-18 01:10:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-18 01:10:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-12-18 01:10:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-12-18 01:10:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2021-12-18 01:10:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2021-12-18 01:10:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2021-12-18 01:10:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2021-12-18 01:10:24,510 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 01:10:24,512 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 01:10:28,172 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 01:10:28,178 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 01:10:28,179 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-18 01:10:28,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:10:28 BoogieIcfgContainer [2021-12-18 01:10:28,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 01:10:28,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 01:10:28,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 01:10:28,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 01:10:28,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 01:10:22" (1/3) ... [2021-12-18 01:10:28,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6bbe4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:10:28, skipping insertion in model container [2021-12-18 01:10:28,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:10:23" (2/3) ... [2021-12-18 01:10:28,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6bbe4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:10:28, skipping insertion in model container [2021-12-18 01:10:28,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:10:28" (3/3) ... [2021-12-18 01:10:28,185 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness.i [2021-12-18 01:10:28,189 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 01:10:28,189 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-18 01:10:28,236 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 01:10:28,243 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 01:10:28,244 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-18 01:10:28,271 INFO L276 IsEmpty]: Start isEmpty. Operand has 444 states, 259 states have (on average 1.2664092664092663) internal successors, (328), 262 states have internal predecessors, (328), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2021-12-18 01:10:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-18 01:10:28,286 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:10:28,287 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2021-12-18 01:10:28,287 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:10:28,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:10:28,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1834595556, now seen corresponding path program 1 times [2021-12-18 01:10:28,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:10:28,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417090013] [2021-12-18 01:10:28,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:10:28,303 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:10:28,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:10:28,310 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:10:28,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-18 01:10:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:10:29,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 1627 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-18 01:10:29,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:10:29,344 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-12-18 01:10:29,344 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:10:29,344 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:10:29,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1417090013] [2021-12-18 01:10:29,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1417090013] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:10:29,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:10:29,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-18 01:10:29,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299198610] [2021-12-18 01:10:29,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:10:29,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-18 01:10:29,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:10:29,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-18 01:10:29,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-18 01:10:29,368 INFO L87 Difference]: Start difference. First operand has 444 states, 259 states have (on average 1.2664092664092663) internal successors, (328), 262 states have internal predecessors, (328), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 01:10:29,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:10:29,429 INFO L93 Difference]: Finished difference Result 875 states and 1391 transitions. [2021-12-18 01:10:29,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-18 01:10:29,431 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 133 [2021-12-18 01:10:29,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:10:29,439 INFO L225 Difference]: With dead ends: 875 [2021-12-18 01:10:29,439 INFO L226 Difference]: Without dead ends: 437 [2021-12-18 01:10:29,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-18 01:10:29,447 INFO L933 BasicCegarLoop]: 629 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 01:10:29,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 01:10:29,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2021-12-18 01:10:29,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2021-12-18 01:10:29,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 253 states have (on average 1.2411067193675889) internal successors, (314), 256 states have internal predecessors, (314), 156 states have call successors, (156), 27 states have call predecessors, (156), 26 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2021-12-18 01:10:29,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 624 transitions. [2021-12-18 01:10:29,495 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 624 transitions. Word has length 133 [2021-12-18 01:10:29,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:10:29,496 INFO L470 AbstractCegarLoop]: Abstraction has 437 states and 624 transitions. [2021-12-18 01:10:29,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 01:10:29,496 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 624 transitions. [2021-12-18 01:10:29,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-18 01:10:29,497 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:10:29,498 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 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] [2021-12-18 01:10:29,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-18 01:10:29,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:10:29,712 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:10:29,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:10:29,713 INFO L85 PathProgramCache]: Analyzing trace with hash 133133086, now seen corresponding path program 1 times [2021-12-18 01:10:29,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:10:29,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1946367741] [2021-12-18 01:10:29,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:10:29,715 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:10:29,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:10:29,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:10:29,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-18 01:10:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:10:30,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 1627 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 01:10:30,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:10:30,884 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-12-18 01:10:30,884 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:10:30,885 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:10:30,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1946367741] [2021-12-18 01:10:30,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1946367741] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:10:30,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:10:30,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 01:10:30,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556404633] [2021-12-18 01:10:30,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:10:30,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 01:10:30,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:10:30,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 01:10:30,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 01:10:30,887 INFO L87 Difference]: Start difference. First operand 437 states and 624 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-18 01:10:33,095 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:10:33,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:10:33,576 INFO L93 Difference]: Finished difference Result 840 states and 1217 transitions. [2021-12-18 01:10:33,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 01:10:33,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 133 [2021-12-18 01:10:33,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:10:33,581 INFO L225 Difference]: With dead ends: 840 [2021-12-18 01:10:33,581 INFO L226 Difference]: Without dead ends: 439 [2021-12-18 01:10:33,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 01:10:33,583 INFO L933 BasicCegarLoop]: 599 mSDtfsCounter, 35 mSDsluCounter, 1713 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 2312 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-18 01:10:33,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 2312 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 124 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2021-12-18 01:10:33,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2021-12-18 01:10:33,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2021-12-18 01:10:33,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 254 states have (on average 1.2401574803149606) internal successors, (315), 258 states have internal predecessors, (315), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (168), 154 states have call predecessors, (168), 154 states have call successors, (168) [2021-12-18 01:10:33,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 639 transitions. [2021-12-18 01:10:33,612 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 639 transitions. Word has length 133 [2021-12-18 01:10:33,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:10:33,613 INFO L470 AbstractCegarLoop]: Abstraction has 439 states and 639 transitions. [2021-12-18 01:10:33,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-18 01:10:33,614 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 639 transitions. [2021-12-18 01:10:33,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-12-18 01:10:33,615 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:10:33,615 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:10:33,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-18 01:10:33,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:10:33,832 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:10:33,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:10:33,832 INFO L85 PathProgramCache]: Analyzing trace with hash 74249020, now seen corresponding path program 1 times [2021-12-18 01:10:33,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:10:33,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1930974228] [2021-12-18 01:10:33,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:10:33,834 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:10:33,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:10:33,835 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:10:33,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-18 01:10:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:10:34,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 1657 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-18 01:10:34,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:10:35,191 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-12-18 01:10:35,192 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:10:35,192 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:10:35,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1930974228] [2021-12-18 01:10:35,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1930974228] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:10:35,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:10:35,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 01:10:35,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141526733] [2021-12-18 01:10:35,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:10:35,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 01:10:35,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:10:35,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 01:10:35,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 01:10:35,193 INFO L87 Difference]: Start difference. First operand 439 states and 639 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2021-12-18 01:10:37,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:10:38,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:10:38,811 INFO L93 Difference]: Finished difference Result 863 states and 1290 transitions. [2021-12-18 01:10:38,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 01:10:38,828 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 141 [2021-12-18 01:10:38,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:10:38,831 INFO L225 Difference]: With dead ends: 863 [2021-12-18 01:10:38,831 INFO L226 Difference]: Without dead ends: 460 [2021-12-18 01:10:38,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-18 01:10:38,833 INFO L933 BasicCegarLoop]: 578 mSDtfsCounter, 86 mSDsluCounter, 2764 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 3342 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-18 01:10:38,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 3342 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 336 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-12-18 01:10:38,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2021-12-18 01:10:38,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 458. [2021-12-18 01:10:38,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 270 states have (on average 1.2481481481481482) internal successors, (337), 274 states have internal predecessors, (337), 158 states have call successors, (158), 27 states have call predecessors, (158), 28 states have return successors, (187), 157 states have call predecessors, (187), 156 states have call successors, (187) [2021-12-18 01:10:38,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 682 transitions. [2021-12-18 01:10:38,862 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 682 transitions. Word has length 141 [2021-12-18 01:10:38,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:10:38,862 INFO L470 AbstractCegarLoop]: Abstraction has 458 states and 682 transitions. [2021-12-18 01:10:38,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2021-12-18 01:10:38,862 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 682 transitions. [2021-12-18 01:10:38,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-18 01:10:38,871 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:10:38,871 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:10:38,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-18 01:10:39,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:10:39,076 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:10:39,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:10:39,077 INFO L85 PathProgramCache]: Analyzing trace with hash -782989412, now seen corresponding path program 1 times [2021-12-18 01:10:39,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:10:39,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931012300] [2021-12-18 01:10:39,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:10:39,078 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:10:39,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:10:39,079 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:10:39,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-18 01:10:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:10:40,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 1769 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-18 01:10:40,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:10:40,691 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-12-18 01:10:40,692 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:10:40,692 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:10:40,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931012300] [2021-12-18 01:10:40,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1931012300] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:10:40,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:10:40,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 01:10:40,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587813597] [2021-12-18 01:10:40,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:10:40,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 01:10:40,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:10:40,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 01:10:40,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 01:10:40,693 INFO L87 Difference]: Start difference. First operand 458 states and 682 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-18 01:10:43,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:10:44,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:10:44,154 INFO L93 Difference]: Finished difference Result 888 states and 1365 transitions. [2021-12-18 01:10:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 01:10:44,155 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 156 [2021-12-18 01:10:44,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:10:44,158 INFO L225 Difference]: With dead ends: 888 [2021-12-18 01:10:44,158 INFO L226 Difference]: Without dead ends: 466 [2021-12-18 01:10:44,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-12-18 01:10:44,164 INFO L933 BasicCegarLoop]: 593 mSDtfsCounter, 58 mSDsluCounter, 2260 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 2853 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-18 01:10:44,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 2853 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 254 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-12-18 01:10:44,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2021-12-18 01:10:44,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 458. [2021-12-18 01:10:44,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 270 states have (on average 1.2481481481481482) internal successors, (337), 274 states have internal predecessors, (337), 158 states have call successors, (158), 27 states have call predecessors, (158), 28 states have return successors, (187), 157 states have call predecessors, (187), 156 states have call successors, (187) [2021-12-18 01:10:44,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 682 transitions. [2021-12-18 01:10:44,193 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 682 transitions. Word has length 156 [2021-12-18 01:10:44,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:10:44,194 INFO L470 AbstractCegarLoop]: Abstraction has 458 states and 682 transitions. [2021-12-18 01:10:44,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-18 01:10:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 682 transitions. [2021-12-18 01:10:44,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-12-18 01:10:44,195 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:10:44,196 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:10:44,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-18 01:10:44,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:10:44,410 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:10:44,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:10:44,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1549701389, now seen corresponding path program 1 times [2021-12-18 01:10:44,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:10:44,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1609953941] [2021-12-18 01:10:44,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:10:44,412 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:10:44,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:10:44,415 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:10:44,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-18 01:10:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:10:45,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 1817 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-18 01:10:45,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:10:46,368 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-12-18 01:10:46,369 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:10:46,369 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:10:46,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1609953941] [2021-12-18 01:10:46,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1609953941] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:10:46,369 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:10:46,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 01:10:46,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573121790] [2021-12-18 01:10:46,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:10:46,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 01:10:46,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:10:46,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 01:10:46,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 01:10:46,370 INFO L87 Difference]: Start difference. First operand 458 states and 682 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2021-12-18 01:10:49,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:10:51,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:10:51,648 INFO L93 Difference]: Finished difference Result 910 states and 1384 transitions. [2021-12-18 01:10:51,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 01:10:51,649 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 172 [2021-12-18 01:10:51,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:10:51,652 INFO L225 Difference]: With dead ends: 910 [2021-12-18 01:10:51,653 INFO L226 Difference]: Without dead ends: 488 [2021-12-18 01:10:51,655 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-12-18 01:10:51,655 INFO L933 BasicCegarLoop]: 578 mSDtfsCounter, 130 mSDsluCounter, 3305 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 3883 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-18 01:10:51,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 3883 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 569 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2021-12-18 01:10:51,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2021-12-18 01:10:51,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 470. [2021-12-18 01:10:51,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 280 states have (on average 1.2535714285714286) internal successors, (351), 284 states have internal predecessors, (351), 159 states have call successors, (159), 28 states have call predecessors, (159), 29 states have return successors, (188), 158 states have call predecessors, (188), 157 states have call successors, (188) [2021-12-18 01:10:51,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 698 transitions. [2021-12-18 01:10:51,672 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 698 transitions. Word has length 172 [2021-12-18 01:10:51,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:10:51,672 INFO L470 AbstractCegarLoop]: Abstraction has 470 states and 698 transitions. [2021-12-18 01:10:51,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2021-12-18 01:10:51,673 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 698 transitions. [2021-12-18 01:10:51,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-18 01:10:51,674 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:10:51,674 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:10:51,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-18 01:10:51,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:10:51,890 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:10:51,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:10:51,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1969354101, now seen corresponding path program 2 times [2021-12-18 01:10:51,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:10:51,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875831699] [2021-12-18 01:10:51,892 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 01:10:51,892 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:10:51,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:10:51,894 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:10:51,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-18 01:10:53,723 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 01:10:53,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 01:10:53,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 1929 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-18 01:10:53,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:10:55,078 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-18 01:10:55,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:10:55,078 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:10:55,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [875831699] [2021-12-18 01:10:55,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [875831699] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:10:55,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:10:55,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 01:10:55,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921327792] [2021-12-18 01:10:55,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:10:55,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 01:10:55,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:10:55,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 01:10:55,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 01:10:55,080 INFO L87 Difference]: Start difference. First operand 470 states and 698 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 01:10:59,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:11:01,131 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:11:03,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:11:05,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:11:05,500 INFO L93 Difference]: Finished difference Result 940 states and 1458 transitions. [2021-12-18 01:11:05,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 01:11:05,503 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 187 [2021-12-18 01:11:05,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:11:05,506 INFO L225 Difference]: With dead ends: 940 [2021-12-18 01:11:05,506 INFO L226 Difference]: Without dead ends: 506 [2021-12-18 01:11:05,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-18 01:11:05,509 INFO L933 BasicCegarLoop]: 634 mSDtfsCounter, 21 mSDsluCounter, 2316 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 2950 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-12-18 01:11:05,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 2950 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 254 Invalid, 3 Unknown, 0 Unchecked, 9.8s Time] [2021-12-18 01:11:05,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2021-12-18 01:11:05,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 478. [2021-12-18 01:11:05,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 288 states have (on average 1.2534722222222223) internal successors, (361), 292 states have internal predecessors, (361), 159 states have call successors, (159), 28 states have call predecessors, (159), 29 states have return successors, (188), 158 states have call predecessors, (188), 157 states have call successors, (188) [2021-12-18 01:11:05,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 708 transitions. [2021-12-18 01:11:05,548 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 708 transitions. Word has length 187 [2021-12-18 01:11:05,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:11:05,549 INFO L470 AbstractCegarLoop]: Abstraction has 478 states and 708 transitions. [2021-12-18 01:11:05,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 01:11:05,549 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 708 transitions. [2021-12-18 01:11:05,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-18 01:11:05,554 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:11:05,555 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:11:05,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-18 01:11:05,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:11:05,779 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:11:05,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:11:05,780 INFO L85 PathProgramCache]: Analyzing trace with hash -402596151, now seen corresponding path program 1 times [2021-12-18 01:11:05,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:11:05,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [263698834] [2021-12-18 01:11:05,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:11:05,781 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:11:05,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:11:05,782 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:11:05,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-18 01:11:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:11:07,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 1927 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-18 01:11:07,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:11:08,545 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-18 01:11:08,545 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:11:08,545 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:11:08,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [263698834] [2021-12-18 01:11:08,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [263698834] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:11:08,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:11:08,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 01:11:08,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981486568] [2021-12-18 01:11:08,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:11:08,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 01:11:08,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:11:08,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 01:11:08,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 01:11:08,546 INFO L87 Difference]: Start difference. First operand 478 states and 708 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 01:11:13,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:11:15,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:11:17,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:11:19,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:11:19,568 INFO L93 Difference]: Finished difference Result 950 states and 1468 transitions. [2021-12-18 01:11:19,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 01:11:19,571 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 187 [2021-12-18 01:11:19,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:11:19,574 INFO L225 Difference]: With dead ends: 950 [2021-12-18 01:11:19,574 INFO L226 Difference]: Without dead ends: 508 [2021-12-18 01:11:19,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-12-18 01:11:19,577 INFO L933 BasicCegarLoop]: 634 mSDtfsCounter, 17 mSDsluCounter, 2945 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 3579 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2021-12-18 01:11:19,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 3579 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 271 Invalid, 3 Unknown, 0 Unchecked, 10.2s Time] [2021-12-18 01:11:19,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2021-12-18 01:11:19,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 482. [2021-12-18 01:11:19,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 292 states have (on average 1.25) internal successors, (365), 296 states have internal predecessors, (365), 159 states have call successors, (159), 28 states have call predecessors, (159), 29 states have return successors, (188), 158 states have call predecessors, (188), 157 states have call successors, (188) [2021-12-18 01:11:19,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 712 transitions. [2021-12-18 01:11:19,592 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 712 transitions. Word has length 187 [2021-12-18 01:11:19,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:11:19,593 INFO L470 AbstractCegarLoop]: Abstraction has 482 states and 712 transitions. [2021-12-18 01:11:19,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 01:11:19,593 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 712 transitions. [2021-12-18 01:11:19,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-18 01:11:19,595 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:11:19,595 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:11:19,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-12-18 01:11:19,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:11:19,819 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:11:19,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:11:19,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1545098617, now seen corresponding path program 1 times [2021-12-18 01:11:19,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:11:19,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1203655771] [2021-12-18 01:11:19,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:11:19,821 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:11:19,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:11:19,823 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:11:19,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-18 01:11:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:11:21,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 1924 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-18 01:11:21,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:11:34,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2021-12-18 01:11:34,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-12-18 01:11:34,996 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-18 01:11:34,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:11:34,996 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:11:34,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1203655771] [2021-12-18 01:11:34,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1203655771] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:11:34,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:11:34,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-18 01:11:34,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345523087] [2021-12-18 01:11:34,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:11:34,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 01:11:34,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:11:34,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 01:11:34,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-18 01:11:34,998 INFO L87 Difference]: Start difference. First operand 482 states and 712 transitions. Second operand has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 11 states have internal predecessors, (86), 6 states have call successors, (25), 3 states have call predecessors, (25), 4 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2021-12-18 01:11:46,179 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:11:48,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:11:50,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:11:55,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:11:55,304 INFO L93 Difference]: Finished difference Result 961 states and 1455 transitions. [2021-12-18 01:11:55,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-18 01:11:55,306 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 11 states have internal predecessors, (86), 6 states have call successors, (25), 3 states have call predecessors, (25), 4 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) Word has length 187 [2021-12-18 01:11:55,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:11:55,308 INFO L225 Difference]: With dead ends: 961 [2021-12-18 01:11:55,309 INFO L226 Difference]: Without dead ends: 542 [2021-12-18 01:11:55,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 175 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 19.7s TimeCoverageRelationStatistics Valid=70, Invalid=234, Unknown=2, NotChecked=0, Total=306 [2021-12-18 01:11:55,311 INFO L933 BasicCegarLoop]: 608 mSDtfsCounter, 85 mSDsluCounter, 4474 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 11 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 5082 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 143 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-12-18 01:11:55,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 5082 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 735 Invalid, 3 Unknown, 143 Unchecked, 12.3s Time] [2021-12-18 01:11:55,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2021-12-18 01:11:55,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 519. [2021-12-18 01:11:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 319 states have (on average 1.2413793103448276) internal successors, (396), 323 states have internal predecessors, (396), 164 states have call successors, (164), 32 states have call predecessors, (164), 34 states have return successors, (208), 164 states have call predecessors, (208), 162 states have call successors, (208) [2021-12-18 01:11:55,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 768 transitions. [2021-12-18 01:11:55,329 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 768 transitions. Word has length 187 [2021-12-18 01:11:55,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:11:55,330 INFO L470 AbstractCegarLoop]: Abstraction has 519 states and 768 transitions. [2021-12-18 01:11:55,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 11 states have internal predecessors, (86), 6 states have call successors, (25), 3 states have call predecessors, (25), 4 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2021-12-18 01:11:55,330 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 768 transitions. [2021-12-18 01:11:55,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-18 01:11:55,332 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:11:55,332 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:11:55,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-18 01:11:55,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:11:55,559 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:11:55,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:11:55,560 INFO L85 PathProgramCache]: Analyzing trace with hash 446482249, now seen corresponding path program 1 times [2021-12-18 01:11:55,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:11:55,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478853307] [2021-12-18 01:11:55,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:11:55,561 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:11:55,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:11:55,563 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:11:55,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-18 01:11:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:11:57,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 1926 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 01:11:57,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:11:57,717 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-18 01:11:57,717 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:11:57,717 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:11:57,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478853307] [2021-12-18 01:11:57,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1478853307] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:11:57,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:11:57,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 01:11:57,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736121683] [2021-12-18 01:11:57,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:11:57,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 01:11:57,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:11:57,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 01:11:57,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 01:11:57,718 INFO L87 Difference]: Start difference. First operand 519 states and 768 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 01:11:57,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:11:57,971 INFO L93 Difference]: Finished difference Result 997 states and 1547 transitions. [2021-12-18 01:11:57,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 01:11:57,974 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 187 [2021-12-18 01:11:57,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:11:57,978 INFO L225 Difference]: With dead ends: 997 [2021-12-18 01:11:57,978 INFO L226 Difference]: Without dead ends: 539 [2021-12-18 01:11:57,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 01:11:57,994 INFO L933 BasicCegarLoop]: 647 mSDtfsCounter, 8 mSDsluCounter, 1917 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2564 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 01:11:57,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 2564 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 01:11:57,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2021-12-18 01:11:58,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 527. [2021-12-18 01:11:58,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 327 states have (on average 1.238532110091743) internal successors, (405), 331 states have internal predecessors, (405), 164 states have call successors, (164), 32 states have call predecessors, (164), 34 states have return successors, (208), 164 states have call predecessors, (208), 162 states have call successors, (208) [2021-12-18 01:11:58,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 777 transitions. [2021-12-18 01:11:58,022 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 777 transitions. Word has length 187 [2021-12-18 01:11:58,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:11:58,022 INFO L470 AbstractCegarLoop]: Abstraction has 527 states and 777 transitions. [2021-12-18 01:11:58,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 01:11:58,022 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 777 transitions. [2021-12-18 01:11:58,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-12-18 01:11:58,024 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:11:58,024 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:11:58,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-12-18 01:11:58,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:11:58,251 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:11:58,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:11:58,252 INFO L85 PathProgramCache]: Analyzing trace with hash 519703029, now seen corresponding path program 1 times [2021-12-18 01:11:58,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:11:58,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2107240456] [2021-12-18 01:11:58,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:11:58,253 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:11:58,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:11:58,254 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:11:58,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-18 01:11:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:11:59,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 1925 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-18 01:11:59,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:12:00,671 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-12-18 01:12:00,671 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:12:00,671 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:12:00,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2107240456] [2021-12-18 01:12:00,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2107240456] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:12:00,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:12:00,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 01:12:00,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788238266] [2021-12-18 01:12:00,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:12:00,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 01:12:00,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:12:00,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 01:12:00,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 01:12:00,672 INFO L87 Difference]: Start difference. First operand 527 states and 777 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 01:12:02,808 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:12:02,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:12:02,935 INFO L93 Difference]: Finished difference Result 984 states and 1472 transitions. [2021-12-18 01:12:02,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 01:12:02,936 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2021-12-18 01:12:02,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:12:02,939 INFO L225 Difference]: With dead ends: 984 [2021-12-18 01:12:02,939 INFO L226 Difference]: Without dead ends: 547 [2021-12-18 01:12:02,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 01:12:02,942 INFO L933 BasicCegarLoop]: 625 mSDtfsCounter, 7 mSDsluCounter, 3112 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3737 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-18 01:12:02,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 3737 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-18 01:12:02,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2021-12-18 01:12:02,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 545. [2021-12-18 01:12:02,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 341 states have (on average 1.2375366568914956) internal successors, (422), 345 states have internal predecessors, (422), 166 states have call successors, (166), 32 states have call predecessors, (166), 36 states have return successors, (216), 168 states have call predecessors, (216), 164 states have call successors, (216) [2021-12-18 01:12:02,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 804 transitions. [2021-12-18 01:12:02,958 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 804 transitions. Word has length 188 [2021-12-18 01:12:02,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:12:02,958 INFO L470 AbstractCegarLoop]: Abstraction has 545 states and 804 transitions. [2021-12-18 01:12:02,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 01:12:02,958 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 804 transitions. [2021-12-18 01:12:02,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-12-18 01:12:02,959 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:12:02,960 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:12:03,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-12-18 01:12:03,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:12:03,187 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:12:03,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:12:03,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1395722035, now seen corresponding path program 1 times [2021-12-18 01:12:03,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:12:03,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746493070] [2021-12-18 01:12:03,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:12:03,190 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:12:03,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:12:03,190 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:12:03,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-18 01:12:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:12:04,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 1923 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-18 01:12:04,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:12:05,785 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-18 01:12:05,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:12:05,785 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:12:05,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746493070] [2021-12-18 01:12:05,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [746493070] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:12:05,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:12:05,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 01:12:05,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59927677] [2021-12-18 01:12:05,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:12:05,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 01:12:05,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:12:05,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 01:12:05,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-18 01:12:05,786 INFO L87 Difference]: Start difference. First operand 545 states and 804 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-18 01:12:08,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:12:10,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:12:10,309 INFO L93 Difference]: Finished difference Result 982 states and 1468 transitions. [2021-12-18 01:12:10,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 01:12:10,310 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 188 [2021-12-18 01:12:10,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:12:10,313 INFO L225 Difference]: With dead ends: 982 [2021-12-18 01:12:10,313 INFO L226 Difference]: Without dead ends: 530 [2021-12-18 01:12:10,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-12-18 01:12:10,315 INFO L933 BasicCegarLoop]: 587 mSDtfsCounter, 8 mSDsluCounter, 4021 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 4608 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-18 01:12:10,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 4608 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 398 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2021-12-18 01:12:10,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2021-12-18 01:12:10,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 530. [2021-12-18 01:12:10,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 329 states have (on average 1.2310030395136777) internal successors, (405), 334 states have internal predecessors, (405), 164 states have call successors, (164), 32 states have call predecessors, (164), 35 states have return successors, (210), 164 states have call predecessors, (210), 162 states have call successors, (210) [2021-12-18 01:12:10,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 779 transitions. [2021-12-18 01:12:10,331 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 779 transitions. Word has length 188 [2021-12-18 01:12:10,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:12:10,331 INFO L470 AbstractCegarLoop]: Abstraction has 530 states and 779 transitions. [2021-12-18 01:12:10,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-18 01:12:10,332 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 779 transitions. [2021-12-18 01:12:10,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-12-18 01:12:10,333 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:12:10,333 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:12:10,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-12-18 01:12:10,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:12:10,547 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:12:10,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:12:10,548 INFO L85 PathProgramCache]: Analyzing trace with hash -807170079, now seen corresponding path program 1 times [2021-12-18 01:12:10,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:12:10,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1139484399] [2021-12-18 01:12:10,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:12:10,549 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:12:10,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:12:10,551 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:12:10,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-18 01:12:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:12:12,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 1949 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-18 01:12:12,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:12:12,961 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-12-18 01:12:12,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:12:12,961 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:12:12,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1139484399] [2021-12-18 01:12:12,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1139484399] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:12:12,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:12:12,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 01:12:12,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225713624] [2021-12-18 01:12:12,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:12:12,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 01:12:12,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:12:12,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 01:12:12,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 01:12:12,962 INFO L87 Difference]: Start difference. First operand 530 states and 779 transitions. Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2021-12-18 01:12:15,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:12:16,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:12:16,247 INFO L93 Difference]: Finished difference Result 966 states and 1451 transitions. [2021-12-18 01:12:16,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 01:12:16,248 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 199 [2021-12-18 01:12:16,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:12:16,251 INFO L225 Difference]: With dead ends: 966 [2021-12-18 01:12:16,251 INFO L226 Difference]: Without dead ends: 532 [2021-12-18 01:12:16,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-18 01:12:16,253 INFO L933 BasicCegarLoop]: 592 mSDtfsCounter, 66 mSDsluCounter, 2246 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 24 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 2838 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-18 01:12:16,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 2838 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 156 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2021-12-18 01:12:16,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2021-12-18 01:12:16,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 532. [2021-12-18 01:12:16,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 330 states have (on average 1.2303030303030302) internal successors, (406), 336 states have internal predecessors, (406), 164 states have call successors, (164), 32 states have call predecessors, (164), 36 states have return successors, (221), 164 states have call predecessors, (221), 162 states have call successors, (221) [2021-12-18 01:12:16,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 791 transitions. [2021-12-18 01:12:16,269 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 791 transitions. Word has length 199 [2021-12-18 01:12:16,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:12:16,269 INFO L470 AbstractCegarLoop]: Abstraction has 532 states and 791 transitions. [2021-12-18 01:12:16,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2021-12-18 01:12:16,269 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 791 transitions. [2021-12-18 01:12:16,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-18 01:12:16,270 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:12:16,271 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 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, 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] [2021-12-18 01:12:16,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-12-18 01:12:16,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:12:16,495 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:12:16,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:12:16,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1196534915, now seen corresponding path program 1 times [2021-12-18 01:12:16,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:12:16,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548759907] [2021-12-18 01:12:16,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:12:16,497 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:12:16,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:12:16,499 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:12:16,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-18 01:12:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:12:18,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 1979 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-18 01:12:18,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:12:19,192 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-12-18 01:12:19,192 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:12:19,192 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:12:19,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548759907] [2021-12-18 01:12:19,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548759907] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:12:19,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:12:19,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 01:12:19,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53395853] [2021-12-18 01:12:19,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:12:19,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 01:12:19,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:12:19,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 01:12:19,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 01:12:19,194 INFO L87 Difference]: Start difference. First operand 532 states and 791 transitions. Second operand has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2021-12-18 01:12:22,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:12:24,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:12:24,201 INFO L93 Difference]: Finished difference Result 998 states and 1512 transitions. [2021-12-18 01:12:24,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 01:12:24,202 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) Word has length 207 [2021-12-18 01:12:24,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:12:24,205 INFO L225 Difference]: With dead ends: 998 [2021-12-18 01:12:24,205 INFO L226 Difference]: Without dead ends: 562 [2021-12-18 01:12:24,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-18 01:12:24,207 INFO L933 BasicCegarLoop]: 570 mSDtfsCounter, 118 mSDsluCounter, 3258 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 3828 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-18 01:12:24,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 3828 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 404 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2021-12-18 01:12:24,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2021-12-18 01:12:24,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 560. [2021-12-18 01:12:24,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 357 states have (on average 1.2352941176470589) internal successors, (441), 362 states have internal predecessors, (441), 165 states have call successors, (165), 32 states have call predecessors, (165), 36 states have return successors, (222), 166 states have call predecessors, (222), 163 states have call successors, (222) [2021-12-18 01:12:24,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 828 transitions. [2021-12-18 01:12:24,224 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 828 transitions. Word has length 207 [2021-12-18 01:12:24,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:12:24,224 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 828 transitions. [2021-12-18 01:12:24,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 5 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2021-12-18 01:12:24,225 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 828 transitions. [2021-12-18 01:12:24,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-12-18 01:12:24,226 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:12:24,226 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:12:24,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-12-18 01:12:24,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:12:24,449 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:12:24,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:12:24,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1706346939, now seen corresponding path program 2 times [2021-12-18 01:12:24,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:12:24,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785217546] [2021-12-18 01:12:24,452 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 01:12:24,452 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:12:24,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:12:24,453 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:12:24,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-12-18 01:12:26,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 01:12:26,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 01:12:26,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 2091 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-18 01:12:26,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:12:27,897 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2021-12-18 01:12:27,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:12:27,898 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:12:27,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1785217546] [2021-12-18 01:12:27,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1785217546] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:12:27,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:12:27,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 01:12:27,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741246895] [2021-12-18 01:12:27,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:12:27,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 01:12:27,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:12:27,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 01:12:27,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 01:12:27,900 INFO L87 Difference]: Start difference. First operand 560 states and 828 transitions. Second operand has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 5 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2021-12-18 01:12:30,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:12:32,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:12:32,219 INFO L93 Difference]: Finished difference Result 1032 states and 1575 transitions. [2021-12-18 01:12:32,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 01:12:32,220 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 5 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) Word has length 222 [2021-12-18 01:12:32,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:12:32,223 INFO L225 Difference]: With dead ends: 1032 [2021-12-18 01:12:32,223 INFO L226 Difference]: Without dead ends: 568 [2021-12-18 01:12:32,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-12-18 01:12:32,225 INFO L933 BasicCegarLoop]: 586 mSDtfsCounter, 89 mSDsluCounter, 2780 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 3366 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-18 01:12:32,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 3366 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 295 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2021-12-18 01:12:32,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2021-12-18 01:12:32,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 560. [2021-12-18 01:12:32,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 357 states have (on average 1.2352941176470589) internal successors, (441), 362 states have internal predecessors, (441), 165 states have call successors, (165), 32 states have call predecessors, (165), 36 states have return successors, (222), 166 states have call predecessors, (222), 163 states have call successors, (222) [2021-12-18 01:12:32,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 828 transitions. [2021-12-18 01:12:32,240 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 828 transitions. Word has length 222 [2021-12-18 01:12:32,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:12:32,241 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 828 transitions. [2021-12-18 01:12:32,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 5 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2021-12-18 01:12:32,241 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 828 transitions. [2021-12-18 01:12:32,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-12-18 01:12:32,242 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:12:32,242 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 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, 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] [2021-12-18 01:12:32,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-12-18 01:12:32,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:12:32,455 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:12:32,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:12:32,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1881400440, now seen corresponding path program 1 times [2021-12-18 01:12:32,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:12:32,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1722003891] [2021-12-18 01:12:32,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:12:32,458 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:12:32,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:12:32,459 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:12:32,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-12-18 01:12:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:12:34,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 2134 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-18 01:12:34,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:12:35,892 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-18 01:12:35,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:12:35,892 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:12:35,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1722003891] [2021-12-18 01:12:35,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1722003891] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:12:35,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:12:35,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 01:12:35,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094158374] [2021-12-18 01:12:35,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:12:35,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 01:12:35,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:12:35,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 01:12:35,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-18 01:12:35,894 INFO L87 Difference]: Start difference. First operand 560 states and 828 transitions. Second operand has 9 states, 8 states have (on average 13.125) internal successors, (105), 9 states have internal predecessors, (105), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 5 states have call predecessors, (27), 6 states have call successors, (27) [2021-12-18 01:12:39,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:12:42,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:12:42,831 INFO L93 Difference]: Finished difference Result 1026 states and 1546 transitions. [2021-12-18 01:12:42,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 01:12:42,832 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.125) internal successors, (105), 9 states have internal predecessors, (105), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 5 states have call predecessors, (27), 6 states have call successors, (27) Word has length 238 [2021-12-18 01:12:42,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:12:42,835 INFO L225 Difference]: With dead ends: 1026 [2021-12-18 01:12:42,835 INFO L226 Difference]: Without dead ends: 562 [2021-12-18 01:12:42,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-12-18 01:12:42,837 INFO L933 BasicCegarLoop]: 571 mSDtfsCounter, 161 mSDsluCounter, 3796 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 4367 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-12-18 01:12:42,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 4367 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 648 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2021-12-18 01:12:42,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2021-12-18 01:12:42,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 530. [2021-12-18 01:12:42,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 329 states have (on average 1.2310030395136777) internal successors, (405), 334 states have internal predecessors, (405), 164 states have call successors, (164), 32 states have call predecessors, (164), 35 states have return successors, (207), 164 states have call predecessors, (207), 162 states have call successors, (207) [2021-12-18 01:12:42,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 776 transitions. [2021-12-18 01:12:42,851 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 776 transitions. Word has length 238 [2021-12-18 01:12:42,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:12:42,851 INFO L470 AbstractCegarLoop]: Abstraction has 530 states and 776 transitions. [2021-12-18 01:12:42,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.125) internal successors, (105), 9 states have internal predecessors, (105), 6 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 5 states have call predecessors, (27), 6 states have call successors, (27) [2021-12-18 01:12:42,852 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 776 transitions. [2021-12-18 01:12:42,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-18 01:12:42,853 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:12:42,853 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 01:12:42,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-12-18 01:12:43,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:12:43,067 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:12:43,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:12:43,068 INFO L85 PathProgramCache]: Analyzing trace with hash -2073342888, now seen corresponding path program 2 times [2021-12-18 01:12:43,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:12:43,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383446636] [2021-12-18 01:12:43,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 01:12:43,070 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:12:43,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:12:43,071 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:12:43,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-12-18 01:12:45,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 01:12:45,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 01:12:45,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-18 01:12:45,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:12:46,888 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2021-12-18 01:12:46,889 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:12:46,889 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:12:46,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383446636] [2021-12-18 01:12:46,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [383446636] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:12:46,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:12:46,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 01:12:46,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585596547] [2021-12-18 01:12:46,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:12:46,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 01:12:46,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:12:46,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 01:12:46,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 01:12:46,890 INFO L87 Difference]: Start difference. First operand 530 states and 776 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 5 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (25), 5 states have call predecessors, (25), 4 states have call successors, (25) [2021-12-18 01:12:49,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:12:51,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:12:51,260 INFO L93 Difference]: Finished difference Result 970 states and 1441 transitions. [2021-12-18 01:12:51,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 01:12:51,261 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 5 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (25), 5 states have call predecessors, (25), 4 states have call successors, (25) Word has length 253 [2021-12-18 01:12:51,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:12:51,263 INFO L225 Difference]: With dead ends: 970 [2021-12-18 01:12:51,264 INFO L226 Difference]: Without dead ends: 542 [2021-12-18 01:12:51,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-12-18 01:12:51,266 INFO L933 BasicCegarLoop]: 586 mSDtfsCounter, 62 mSDsluCounter, 3395 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 3981 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-18 01:12:51,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 3981 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 294 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2021-12-18 01:12:51,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2021-12-18 01:12:51,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 542. [2021-12-18 01:12:51,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 335 states have (on average 1.2298507462686568) internal successors, (412), 340 states have internal predecessors, (412), 169 states have call successors, (169), 33 states have call predecessors, (169), 36 states have return successors, (212), 169 states have call predecessors, (212), 167 states have call successors, (212) [2021-12-18 01:12:51,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 793 transitions. [2021-12-18 01:12:51,281 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 793 transitions. Word has length 253 [2021-12-18 01:12:51,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:12:51,281 INFO L470 AbstractCegarLoop]: Abstraction has 542 states and 793 transitions. [2021-12-18 01:12:51,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 5 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (25), 5 states have call predecessors, (25), 4 states have call successors, (25) [2021-12-18 01:12:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 793 transitions. [2021-12-18 01:12:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-12-18 01:12:51,283 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:12:51,283 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2021-12-18 01:12:51,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-12-18 01:12:51,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:12:51,498 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:12:51,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:12:51,499 INFO L85 PathProgramCache]: Analyzing trace with hash -669863688, now seen corresponding path program 1 times [2021-12-18 01:12:51,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:12:51,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1589194898] [2021-12-18 01:12:51,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:12:51,501 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:12:51,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:12:51,501 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:12:51,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-12-18 01:13:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:13:00,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 2470 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-18 01:13:00,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:13:02,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-12-18 01:13:02,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-12-18 01:13:03,984 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-12-18 01:13:03,984 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:13:03,984 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:13:03,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1589194898] [2021-12-18 01:13:03,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1589194898] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:13:03,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:13:03,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-18 01:13:03,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352099980] [2021-12-18 01:13:03,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:13:03,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-18 01:13:03,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:13:03,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-18 01:13:03,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2021-12-18 01:13:03,985 INFO L87 Difference]: Start difference. First operand 542 states and 793 transitions. Second operand has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 14 states have internal predecessors, (118), 7 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) [2021-12-18 01:13:12,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:13:21,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:13:21,719 INFO L93 Difference]: Finished difference Result 1133 states and 1750 transitions. [2021-12-18 01:13:21,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-18 01:13:21,720 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 14 states have internal predecessors, (118), 7 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) Word has length 283 [2021-12-18 01:13:21,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:13:21,724 INFO L225 Difference]: With dead ends: 1133 [2021-12-18 01:13:21,724 INFO L226 Difference]: Without dead ends: 632 [2021-12-18 01:13:21,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=118, Invalid=584, Unknown=0, NotChecked=0, Total=702 [2021-12-18 01:13:21,727 INFO L933 BasicCegarLoop]: 589 mSDtfsCounter, 109 mSDsluCounter, 6644 mSDsCounter, 0 mSdLazyCounter, 1682 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 7233 SdHoareTripleChecker+Invalid, 1701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1682 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2021-12-18 01:13:21,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 7233 Invalid, 1701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1682 Invalid, 1 Unknown, 0 Unchecked, 15.3s Time] [2021-12-18 01:13:21,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-12-18 01:13:21,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 568. [2021-12-18 01:13:21,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 359 states have (on average 1.2367688022284122) internal successors, (444), 364 states have internal predecessors, (444), 169 states have call successors, (169), 33 states have call predecessors, (169), 38 states have return successors, (231), 171 states have call predecessors, (231), 167 states have call successors, (231) [2021-12-18 01:13:21,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 844 transitions. [2021-12-18 01:13:21,746 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 844 transitions. Word has length 283 [2021-12-18 01:13:21,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:13:21,747 INFO L470 AbstractCegarLoop]: Abstraction has 568 states and 844 transitions. [2021-12-18 01:13:21,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 14 states have internal predecessors, (118), 7 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) [2021-12-18 01:13:21,747 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 844 transitions. [2021-12-18 01:13:21,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-12-18 01:13:21,748 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:13:21,749 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 01:13:21,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2021-12-18 01:13:21,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:13:21,972 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:13:21,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:13:21,972 INFO L85 PathProgramCache]: Analyzing trace with hash -575082312, now seen corresponding path program 1 times [2021-12-18 01:13:21,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:13:21,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [984906325] [2021-12-18 01:13:21,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:13:21,974 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:13:21,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:13:21,975 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:13:21,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-12-18 01:13:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:13:23,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 2464 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 01:13:23,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:13:25,181 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2021-12-18 01:13:25,181 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:13:25,181 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:13:25,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [984906325] [2021-12-18 01:13:25,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [984906325] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:13:25,181 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:13:25,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 01:13:25,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681578261] [2021-12-18 01:13:25,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:13:25,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 01:13:25,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:13:25,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 01:13:25,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 01:13:25,182 INFO L87 Difference]: Start difference. First operand 568 states and 844 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 01:13:25,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:13:25,350 INFO L93 Difference]: Finished difference Result 1106 states and 1731 transitions. [2021-12-18 01:13:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 01:13:25,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 283 [2021-12-18 01:13:25,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:13:25,355 INFO L225 Difference]: With dead ends: 1106 [2021-12-18 01:13:25,355 INFO L226 Difference]: Without dead ends: 574 [2021-12-18 01:13:25,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 01:13:25,359 INFO L933 BasicCegarLoop]: 627 mSDtfsCounter, 7 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1861 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 01:13:25,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 1861 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 01:13:25,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2021-12-18 01:13:25,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 568. [2021-12-18 01:13:25,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 359 states have (on average 1.2311977715877438) internal successors, (442), 364 states have internal predecessors, (442), 169 states have call successors, (169), 33 states have call predecessors, (169), 38 states have return successors, (231), 171 states have call predecessors, (231), 167 states have call successors, (231) [2021-12-18 01:13:25,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 842 transitions. [2021-12-18 01:13:25,375 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 842 transitions. Word has length 283 [2021-12-18 01:13:25,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:13:25,375 INFO L470 AbstractCegarLoop]: Abstraction has 568 states and 842 transitions. [2021-12-18 01:13:25,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 01:13:25,376 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 842 transitions. [2021-12-18 01:13:25,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-12-18 01:13:25,378 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:13:25,378 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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] [2021-12-18 01:13:25,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Ended with exit code 0 [2021-12-18 01:13:25,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:13:25,603 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:13:25,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:13:25,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1640937912, now seen corresponding path program 1 times [2021-12-18 01:13:25,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:13:25,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [980526670] [2021-12-18 01:13:25,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:13:25,606 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:13:25,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:13:25,607 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:13:25,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-12-18 01:13:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:13:27,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 2492 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 01:13:27,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:13:28,852 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2021-12-18 01:13:28,852 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:13:28,852 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:13:28,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [980526670] [2021-12-18 01:13:28,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [980526670] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:13:28,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:13:28,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 01:13:28,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421806461] [2021-12-18 01:13:28,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:13:28,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 01:13:28,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:13:28,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 01:13:28,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 01:13:28,853 INFO L87 Difference]: Start difference. First operand 568 states and 842 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 01:13:29,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:13:29,138 INFO L93 Difference]: Finished difference Result 1083 states and 1663 transitions. [2021-12-18 01:13:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 01:13:29,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 291 [2021-12-18 01:13:29,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:13:29,152 INFO L225 Difference]: With dead ends: 1083 [2021-12-18 01:13:29,152 INFO L226 Difference]: Without dead ends: 573 [2021-12-18 01:13:29,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 01:13:29,155 INFO L933 BasicCegarLoop]: 616 mSDtfsCounter, 7 mSDsluCounter, 1223 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1839 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 01:13:29,155 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 1839 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 01:13:29,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2021-12-18 01:13:29,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 569. [2021-12-18 01:13:29,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 360 states have (on average 1.2305555555555556) internal successors, (443), 365 states have internal predecessors, (443), 169 states have call successors, (169), 33 states have call predecessors, (169), 38 states have return successors, (231), 171 states have call predecessors, (231), 167 states have call successors, (231) [2021-12-18 01:13:29,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 843 transitions. [2021-12-18 01:13:29,172 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 843 transitions. Word has length 291 [2021-12-18 01:13:29,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:13:29,173 INFO L470 AbstractCegarLoop]: Abstraction has 569 states and 843 transitions. [2021-12-18 01:13:29,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 01:13:29,173 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 843 transitions. [2021-12-18 01:13:29,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-12-18 01:13:29,174 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:13:29,175 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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] [2021-12-18 01:13:29,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-12-18 01:13:29,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:13:29,387 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:13:29,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:13:29,388 INFO L85 PathProgramCache]: Analyzing trace with hash 129001201, now seen corresponding path program 1 times [2021-12-18 01:13:29,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:13:29,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076560041] [2021-12-18 01:13:29,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:13:29,390 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:13:29,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:13:29,391 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:13:29,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-12-18 01:13:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:13:31,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 2494 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-18 01:13:31,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:13:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 277 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2021-12-18 01:13:33,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:13:33,152 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:13:33,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076560041] [2021-12-18 01:13:33,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1076560041] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:13:33,152 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:13:33,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 01:13:33,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967098956] [2021-12-18 01:13:33,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:13:33,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 01:13:33,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:13:33,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 01:13:33,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-18 01:13:33,153 INFO L87 Difference]: Start difference. First operand 569 states and 843 transitions. Second operand has 10 states, 9 states have (on average 13.666666666666666) internal successors, (123), 8 states have internal predecessors, (123), 3 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 01:13:36,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:13:36,058 INFO L93 Difference]: Finished difference Result 1091 states and 1664 transitions. [2021-12-18 01:13:36,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 01:13:36,059 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.666666666666666) internal successors, (123), 8 states have internal predecessors, (123), 3 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) Word has length 291 [2021-12-18 01:13:36,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:13:36,071 INFO L225 Difference]: With dead ends: 1091 [2021-12-18 01:13:36,072 INFO L226 Difference]: Without dead ends: 583 [2021-12-18 01:13:36,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-12-18 01:13:36,074 INFO L933 BasicCegarLoop]: 601 mSDtfsCounter, 4 mSDsluCounter, 4711 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 5312 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-18 01:13:36,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 5312 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-18 01:13:36,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2021-12-18 01:13:36,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 576. [2021-12-18 01:13:36,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 365 states have (on average 1.2273972602739727) internal successors, (448), 371 states have internal predecessors, (448), 169 states have call successors, (169), 33 states have call predecessors, (169), 40 states have return successors, (250), 172 states have call predecessors, (250), 167 states have call successors, (250) [2021-12-18 01:13:36,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 867 transitions. [2021-12-18 01:13:36,090 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 867 transitions. Word has length 291 [2021-12-18 01:13:36,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:13:36,090 INFO L470 AbstractCegarLoop]: Abstraction has 576 states and 867 transitions. [2021-12-18 01:13:36,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.666666666666666) internal successors, (123), 8 states have internal predecessors, (123), 3 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 01:13:36,091 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 867 transitions. [2021-12-18 01:13:36,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-12-18 01:13:36,092 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:13:36,093 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 01:13:36,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-12-18 01:13:36,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:13:36,307 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:13:36,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:13:36,308 INFO L85 PathProgramCache]: Analyzing trace with hash 2062563256, now seen corresponding path program 1 times [2021-12-18 01:13:36,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:13:36,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1583252553] [2021-12-18 01:13:36,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:13:36,310 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:13:36,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:13:36,311 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:13:36,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-12-18 01:13:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:13:38,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 2484 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-18 01:13:38,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:13:40,114 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2021-12-18 01:13:40,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:13:40,114 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:13:40,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1583252553] [2021-12-18 01:13:40,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1583252553] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:13:40,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:13:40,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 01:13:40,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729097075] [2021-12-18 01:13:40,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:13:40,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 01:13:40,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:13:40,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 01:13:40,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 01:13:40,115 INFO L87 Difference]: Start difference. First operand 576 states and 867 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 01:13:43,733 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:13:45,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:13:47,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:13:47,733 INFO L93 Difference]: Finished difference Result 1130 states and 1816 transitions. [2021-12-18 01:13:47,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 01:13:47,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 287 [2021-12-18 01:13:47,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:13:47,740 INFO L225 Difference]: With dead ends: 1130 [2021-12-18 01:13:47,740 INFO L226 Difference]: Without dead ends: 590 [2021-12-18 01:13:47,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-18 01:13:47,744 INFO L933 BasicCegarLoop]: 633 mSDtfsCounter, 15 mSDsluCounter, 1751 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2384 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-12-18 01:13:47,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 2384 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 176 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2021-12-18 01:13:47,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2021-12-18 01:13:47,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 578. [2021-12-18 01:13:47,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 367 states have (on average 1.2261580381471389) internal successors, (450), 373 states have internal predecessors, (450), 169 states have call successors, (169), 33 states have call predecessors, (169), 40 states have return successors, (250), 172 states have call predecessors, (250), 167 states have call successors, (250) [2021-12-18 01:13:47,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 869 transitions. [2021-12-18 01:13:47,763 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 869 transitions. Word has length 287 [2021-12-18 01:13:47,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:13:47,763 INFO L470 AbstractCegarLoop]: Abstraction has 578 states and 869 transitions. [2021-12-18 01:13:47,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 01:13:47,763 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 869 transitions. [2021-12-18 01:13:47,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-12-18 01:13:47,765 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:13:47,765 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 01:13:47,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-12-18 01:13:47,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:13:47,981 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:13:47,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:13:47,981 INFO L85 PathProgramCache]: Analyzing trace with hash 181413624, now seen corresponding path program 1 times [2021-12-18 01:13:47,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:13:47,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2041325850] [2021-12-18 01:13:47,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:13:47,983 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:13:47,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:13:47,984 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:13:47,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-12-18 01:13:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:13:55,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 2478 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-18 01:13:55,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:13:57,560 INFO L354 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2021-12-18 01:13:57,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 65 treesize of output 17 [2021-12-18 01:13:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2021-12-18 01:13:59,040 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:13:59,040 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 01:13:59,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2041325850] [2021-12-18 01:13:59,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2041325850] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:13:59,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:13:59,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-18 01:13:59,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953926580] [2021-12-18 01:13:59,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:13:59,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-18 01:13:59,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 01:13:59,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-18 01:13:59,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-12-18 01:13:59,041 INFO L87 Difference]: Start difference. First operand 578 states and 869 transitions. Second operand has 12 states, 11 states have (on average 10.636363636363637) internal successors, (117), 12 states have internal predecessors, (117), 7 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) [2021-12-18 01:14:06,268 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:14:08,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 01:14:15,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:14:15,271 INFO L93 Difference]: Finished difference Result 1134 states and 1793 transitions. [2021-12-18 01:14:15,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 01:14:15,274 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.636363636363637) internal successors, (117), 12 states have internal predecessors, (117), 7 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) Word has length 287 [2021-12-18 01:14:15,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:14:15,277 INFO L225 Difference]: With dead ends: 1134 [2021-12-18 01:14:15,277 INFO L226 Difference]: Without dead ends: 592 [2021-12-18 01:14:15,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2021-12-18 01:14:15,280 INFO L933 BasicCegarLoop]: 572 mSDtfsCounter, 84 mSDsluCounter, 4887 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 5459 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2021-12-18 01:14:15,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 5459 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1038 Invalid, 2 Unknown, 0 Unchecked, 14.6s Time] [2021-12-18 01:14:15,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2021-12-18 01:14:15,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 560. [2021-12-18 01:14:15,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 349 states have (on average 1.2091690544412608) internal successors, (422), 355 states have internal predecessors, (422), 169 states have call successors, (169), 33 states have call predecessors, (169), 40 states have return successors, (250), 172 states have call predecessors, (250), 167 states have call successors, (250) [2021-12-18 01:14:15,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 841 transitions. [2021-12-18 01:14:15,298 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 841 transitions. Word has length 287 [2021-12-18 01:14:15,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:14:15,298 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 841 transitions. [2021-12-18 01:14:15,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.636363636363637) internal successors, (117), 12 states have internal predecessors, (117), 7 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) [2021-12-18 01:14:15,299 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 841 transitions. [2021-12-18 01:14:15,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-12-18 01:14:15,300 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:14:15,300 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 01:14:15,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-12-18 01:14:15,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 01:14:15,523 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:14:15,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:14:15,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1636995336, now seen corresponding path program 1 times [2021-12-18 01:14:15,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 01:14:15,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216688860] [2021-12-18 01:14:15,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:14:15,526 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 01:14:15,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 01:14:15,527 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 01:14:15,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-12-18 01:19:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:11,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 2478 conjuncts, 330 conjunts are in the unsatisfiable core [2021-12-18 01:19:11,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:19:11,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-18 01:19:13,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-12-18 01:19:14,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:19:14,958 INFO L244 Elim1Store]: Index analysis took 174 ms [2021-12-18 01:19:14,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 17 [2021-12-18 01:19:15,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-12-18 01:19:15,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-18 01:19:15,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-12-18 01:19:17,738 WARN L860 $PredicateComparison]: unable to prove that (and (not (= (_ bv0 64) (bvadd |c_#StackHeapBarrier| (_ bv1 64)))) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_74| (_ BitVec 64)) (v_ArrVal_8202 (_ BitVec 1))) (and (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_74| v_ArrVal_8202)) (= (_ bv0 1) (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_74|)))) (exists ((v_ArrVal_8203 (Array (_ BitVec 64) (_ BitVec 8)))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_8203)))) is different from true [2021-12-18 01:19:18,760 WARN L860 $PredicateComparison]: unable to prove that (and (not (= (_ bv0 64) (bvadd |c_#StackHeapBarrier| (_ bv1 64)))) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_74| (_ BitVec 64)) (v_ArrVal_8204 (_ BitVec 1)) (v_ArrVal_8203 (Array (_ BitVec 64) (_ BitVec 8))) (v_ArrVal_8202 (_ BitVec 1)) (|v_aws_array_list_is_valid_~#required_size~0.base_7| (_ BitVec 64)) (v_ArrVal_8201 (_ BitVec 1))) (let ((.cse0 (store |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_7| v_ArrVal_8201))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_7|)) (= |c_#memory_int| (store |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_7| v_ArrVal_8203)) (= |c_#valid| (store (store .cse0 |v___CPROVER_overflow_mult_~#c~1.base_74| v_ArrVal_8202) |v_aws_array_list_is_valid_~#required_size~0.base_7| v_ArrVal_8204)) (= (_ bv0 1) (select .cse0 |v___CPROVER_overflow_mult_~#c~1.base_74|)))))) is different from true [2021-12-18 01:20:05,799 INFO L354 Elim1Store]: treesize reduction 177, result has 33.2 percent of original size [2021-12-18 01:20:05,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 17 case distinctions, treesize of input 979 treesize of output 1034 [2021-12-18 01:20:06,035 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-18 01:20:06,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-12-18 01:20:12,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2021-12-18 01:20:28,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:28,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2021-12-18 01:20:33,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2021-12-18 01:20:33,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2021-12-18 01:20:34,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2021-12-18 01:20:34,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2021-12-18 01:20:34,452 INFO L354 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2021-12-18 01:20:34,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 411 treesize of output 324 [2021-12-18 01:20:34,579 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-12-18 01:20:34,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 21 [2021-12-18 01:20:35,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-12-18 01:20:35,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:36,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:37,530 INFO L244 Elim1Store]: Index analysis took 2095 ms [2021-12-18 01:20:37,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 276 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 68 [2021-12-18 01:20:38,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2021-12-18 01:20:41,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-18 01:20:41,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-18 01:20:41,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-18 01:20:41,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-18 01:20:41,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-18 01:20:41,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-18 01:20:41,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:41,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:42,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:42,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:42,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:42,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-18 01:20:42,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:42,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:42,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:42,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:42,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:42,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-18 01:20:42,057 INFO L244 Elim1Store]: Index analysis took 1043 ms [2021-12-18 01:20:42,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 276 disjoint index pairs (out of 496 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 68 [2021-12-18 01:23:41,719 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_8230 (Array (_ BitVec 64) (_ BitVec 64)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_8230))) (exists ((v_ArrVal_8231 (Array (_ BitVec 64) (_ BitVec 8)))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_8231))) (exists ((|v___CPROVER_overflow_mult_~#c~1.base_76| (_ BitVec 64)) (v_ArrVal_8229 (_ BitVec 1))) (and (= |c_#valid| (store |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_76| v_ArrVal_8229)) (= (_ bv0 1) (select |c_old(#valid)| |v___CPROVER_overflow_mult_~#c~1.base_76|)))) (exists ((v_ArrVal_8232 (Array (_ BitVec 64) (_ BitVec 64)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_8232)))) is different from true [2021-12-18 01:23:57,410 WARN L860 $PredicateComparison]: unable to prove that (exists ((aws_array_list_is_valid_~list.offset (_ BitVec 64)) (|v___CPROVER_overflow_mult_~#c~1.base_76| (_ BitVec 64)) (v_ArrVal_8231 (Array (_ BitVec 64) (_ BitVec 8))) (v_ArrVal_8228 (_ BitVec 1)) (v_ArrVal_8229 (_ BitVec 1)) (|v_aws_array_list_is_valid_~#required_size~0.base_9| (_ BitVec 64)) (v_ArrVal_8230 (Array (_ BitVec 64) (_ BitVec 64))) (v_ArrVal_8233 (_ BitVec 1)) (v_ArrVal_8232 (Array (_ BitVec 64) (_ BitVec 64)))) (let ((.cse1 (store |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_9| v_ArrVal_8228))) (and (= (_ bv0 64) (let ((.cse0 (select |c_#memory_int| |c_aws_array_list_is_valid_#in~list.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd aws_array_list_is_valid_~list.offset (_ bv15 64))) (select .cse0 (bvadd aws_array_list_is_valid_~list.offset (_ bv14 64)))) (select .cse0 (bvadd aws_array_list_is_valid_~list.offset (_ bv13 64)))) (select .cse0 (bvadd aws_array_list_is_valid_~list.offset (_ bv12 64)))) (select .cse0 (bvadd aws_array_list_is_valid_~list.offset (_ bv11 64)))) (select .cse0 (bvadd aws_array_list_is_valid_~list.offset (_ bv10 64)))) (select .cse0 (bvadd aws_array_list_is_valid_~list.offset (_ bv9 64)))) (select .cse0 (bvadd aws_array_list_is_valid_~list.offset (_ bv8 64)))))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |v_aws_array_list_is_valid_~#required_size~0.base_9| v_ArrVal_8232)) (= |c_#valid| (store (store .cse1 |v___CPROVER_overflow_mult_~#c~1.base_76| v_ArrVal_8229) |v_aws_array_list_is_valid_~#required_size~0.base_9| v_ArrVal_8233)) (= (_ bv0 1) (select |c_old(#valid)| |v_aws_array_list_is_valid_~#required_size~0.base_9|)) (= |c_#memory_int| (store |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_9| v_ArrVal_8231)) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |v_aws_array_list_is_valid_~#required_size~0.base_9| v_ArrVal_8230)) (= (_ bv0 1) (select .cse1 |v___CPROVER_overflow_mult_~#c~1.base_76|)) (let ((.cse2 (= |c_aws_array_list_is_valid_#res| (_ bv0 8)))) (or (and (or .cse2 (= |c_aws_array_list_is_valid_#res| (_ bv1 8))) (exists ((|aws_array_list_is_valid_~#required_size~0.offset| (_ BitVec 64))) (bvuge (let ((.cse3 (select |c_#memory_int| |c_aws_array_list_is_valid_#in~list.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (bvadd aws_array_list_is_valid_~list.offset (_ bv15 64))) (select .cse3 (bvadd aws_array_list_is_valid_~list.offset (_ bv14 64)))) (select .cse3 (bvadd aws_array_list_is_valid_~list.offset (_ bv13 64)))) (select .cse3 (bvadd aws_array_list_is_valid_~list.offset (_ bv12 64)))) (select .cse3 (bvadd aws_array_list_is_valid_~list.offset (_ bv11 64)))) (select .cse3 (bvadd aws_array_list_is_valid_~list.offset (_ bv10 64)))) (select .cse3 (bvadd aws_array_list_is_valid_~list.offset (_ bv9 64)))) (select .cse3 (bvadd aws_array_list_is_valid_~list.offset (_ bv8 64))))) (let ((.cse4 (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_9|))) (concat (concat (concat (concat (concat (concat (concat (select .cse4 (bvadd |aws_array_list_is_valid_~#required_size~0.offset| (_ bv7 64))) (select .cse4 (bvadd |aws_array_list_is_valid_~#required_size~0.offset| (_ bv6 64)))) (select .cse4 (bvadd |aws_array_list_is_valid_~#required_size~0.offset| (_ bv5 64)))) (select .cse4 (bvadd |aws_array_list_is_valid_~#required_size~0.offset| (_ bv4 64)))) (select .cse4 (bvadd |aws_array_list_is_valid_~#required_size~0.offset| (_ bv3 64)))) (select .cse4 (bvadd |aws_array_list_is_valid_~#required_size~0.offset| (_ bv2 64)))) (select .cse4 (bvadd |aws_array_list_is_valid_~#required_size~0.offset| (_ bv1 64)))) (select .cse4 |aws_array_list_is_valid_~#required_size~0.offset|)))))) (and .cse2 (exists ((|aws_array_list_is_valid_~#required_size~0.offset| (_ BitVec 64))) (not (bvuge (let ((.cse5 (select |c_#memory_int| |c_aws_array_list_is_valid_#in~list.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse5 (bvadd aws_array_list_is_valid_~list.offset (_ bv15 64))) (select .cse5 (bvadd aws_array_list_is_valid_~list.offset (_ bv14 64)))) (select .cse5 (bvadd aws_array_list_is_valid_~list.offset (_ bv13 64)))) (select .cse5 (bvadd aws_array_list_is_valid_~list.offset (_ bv12 64)))) (select .cse5 (bvadd aws_array_list_is_valid_~list.offset (_ bv11 64)))) (select .cse5 (bvadd aws_array_list_is_valid_~list.offset (_ bv10 64)))) (select .cse5 (bvadd aws_array_list_is_valid_~list.offset (_ bv9 64)))) (select .cse5 (bvadd aws_array_list_is_valid_~list.offset (_ bv8 64))))) (let ((.cse6 (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_9|))) (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd |aws_array_list_is_valid_~#required_size~0.offset| (_ bv7 64))) (select .cse6 (bvadd |aws_array_list_is_valid_~#required_size~0.offset| (_ bv6 64)))) (select .cse6 (bvadd |aws_array_list_is_valid_~#required_size~0.offset| (_ bv5 64)))) (select .cse6 (bvadd |aws_array_list_is_valid_~#required_size~0.offset| (_ bv4 64)))) (select .cse6 (bvadd |aws_array_list_is_valid_~#required_size~0.offset| (_ bv3 64)))) (select .cse6 (bvadd |aws_array_list_is_valid_~#required_size~0.offset| (_ bv2 64)))) (select .cse6 (bvadd |aws_array_list_is_valid_~#required_size~0.offset| (_ bv1 64)))) (select .cse6 |aws_array_list_is_valid_~#required_size~0.offset|)))))))))))) is different from true Killed by 15