./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a88d6e7bf2b158373436b40548cbe71d2b3a1f454b281f07c3b1b175d00e8682 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:35:38,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:35:38,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:35:38,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:35:38,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:35:38,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:35:38,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:35:38,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:35:38,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:35:38,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:35:38,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:35:38,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:35:38,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:35:38,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:35:38,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:35:38,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:35:38,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:35:38,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:35:38,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:35:38,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:35:38,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:35:38,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:35:38,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:35:38,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:35:38,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:35:38,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:35:38,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:35:38,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:35:38,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:35:38,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:35:38,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:35:38,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:35:38,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:35:38,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:35:38,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:35:38,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:35:38,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:35:38,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:35:38,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:35:38,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:35:38,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:35:38,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 05:35:38,599 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:35:38,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:35:38,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:35:38,601 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:35:38,601 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:35:38,601 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:35:38,601 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:35:38,602 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:35:38,602 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:35:38,602 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:35:38,603 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:35:38,603 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:35:38,604 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:35:38,604 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:35:38,604 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:35:38,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:35:38,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:35:38,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:35:38,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:35:38,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:35:38,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:35:38,606 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:35:38,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:35:38,607 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:35:38,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:35:38,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:35:38,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:35:38,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:35:38,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:35:38,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:35:38,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:35:38,610 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:35:38,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:35:38,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:35:38,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:35:38,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:35:38,611 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a88d6e7bf2b158373436b40548cbe71d2b3a1f454b281f07c3b1b175d00e8682 [2021-11-03 05:35:38,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:35:38,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:35:38,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:35:38,909 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:35:38,910 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:35:38,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i [2021-11-03 05:35:38,985 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/data/bf6d90745/5b61ef59b64e44279fc4dc41a0c490d5/FLAG0909723d0 [2021-11-03 05:35:39,946 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:35:39,946 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i [2021-11-03 05:35:40,016 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/data/bf6d90745/5b61ef59b64e44279fc4dc41a0c490d5/FLAG0909723d0 [2021-11-03 05:35:40,318 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/data/bf6d90745/5b61ef59b64e44279fc4dc41a0c490d5 [2021-11-03 05:35:40,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:35:40,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:35:40,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:35:40,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:35:40,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:35:40,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:35:40" (1/1) ... [2021-11-03 05:35:40,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644d6151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:35:40, skipping insertion in model container [2021-11-03 05:35:40,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:35:40" (1/1) ... [2021-11-03 05:35:40,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:35:40,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:35:42,784 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:35:42,905 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:35:42,907 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 05:35:44,832 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410486,410499] [2021-11-03 05:35:44,835 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410631,410644] [2021-11-03 05:35:44,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410777,410790] [2021-11-03 05:35:44,837 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410942,410955] [2021-11-03 05:35:44,837 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411100,411113] [2021-11-03 05:35:44,838 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411258,411271] [2021-11-03 05:35:44,838 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411416,411429] [2021-11-03 05:35:44,839 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411576,411589] [2021-11-03 05:35:44,840 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411735,411748] [2021-11-03 05:35:44,840 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411874,411887] [2021-11-03 05:35:44,841 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412016,412029] [2021-11-03 05:35:44,841 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412165,412178] [2021-11-03 05:35:44,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412304,412317] [2021-11-03 05:35:44,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412459,412472] [2021-11-03 05:35:44,843 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412619,412632] [2021-11-03 05:35:44,853 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412770,412783] [2021-11-03 05:35:44,853 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412921,412934] [2021-11-03 05:35:44,854 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413073,413086] [2021-11-03 05:35:44,857 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413222,413235] [2021-11-03 05:35:44,858 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413370,413383] [2021-11-03 05:35:44,860 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413527,413540] [2021-11-03 05:35:44,861 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413676,413689] [2021-11-03 05:35:44,861 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413832,413845] [2021-11-03 05:35:44,862 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413985,413998] [2021-11-03 05:35:44,863 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414131,414144] [2021-11-03 05:35:44,864 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414274,414287] [2021-11-03 05:35:44,864 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414426,414439] [2021-11-03 05:35:44,865 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414572,414585] [2021-11-03 05:35:44,865 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414717,414730] [2021-11-03 05:35:44,866 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414871,414884] [2021-11-03 05:35:44,867 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415022,415035] [2021-11-03 05:35:44,868 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415177,415190] [2021-11-03 05:35:44,868 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415329,415342] [2021-11-03 05:35:44,869 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415484,415497] [2021-11-03 05:35:44,870 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415648,415661] [2021-11-03 05:35:44,870 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415804,415817] [2021-11-03 05:35:44,871 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415968,415981] [2021-11-03 05:35:44,871 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416110,416123] [2021-11-03 05:35:44,872 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416268,416281] [2021-11-03 05:35:44,873 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416435,416448] [2021-11-03 05:35:44,873 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416594,416607] [2021-11-03 05:35:44,874 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416753,416766] [2021-11-03 05:35:44,874 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416902,416915] [2021-11-03 05:35:44,875 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417049,417062] [2021-11-03 05:35:44,875 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417188,417201] [2021-11-03 05:35:44,876 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417351,417364] [2021-11-03 05:35:44,876 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417517,417530] [2021-11-03 05:35:44,878 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417681,417694] [2021-11-03 05:35:44,878 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417846,417859] [2021-11-03 05:35:44,879 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418011,418024] [2021-11-03 05:35:44,879 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418177,418190] [2021-11-03 05:35:44,880 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418342,418355] [2021-11-03 05:35:44,880 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418509,418522] [2021-11-03 05:35:44,881 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418669,418682] [2021-11-03 05:35:44,881 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418831,418844] [2021-11-03 05:35:44,882 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418990,419003] [2021-11-03 05:35:44,882 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419136,419149] [2021-11-03 05:35:44,883 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419279,419292] [2021-11-03 05:35:44,883 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419423,419436] [2021-11-03 05:35:44,884 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419566,419579] [2021-11-03 05:35:44,884 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419710,419723] [2021-11-03 05:35:44,886 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419851,419864] [2021-11-03 05:35:44,886 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419989,420002] [2021-11-03 05:35:44,887 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420147,420160] [2021-11-03 05:35:44,887 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420306,420319] [2021-11-03 05:35:44,888 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420462,420475] [2021-11-03 05:35:44,888 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420611,420624] [2021-11-03 05:35:44,889 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420763,420776] [2021-11-03 05:35:44,889 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420914,420927] [2021-11-03 05:35:44,890 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421063,421076] [2021-11-03 05:35:44,891 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421215,421228] [2021-11-03 05:35:44,892 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421363,421376] [2021-11-03 05:35:44,893 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421516,421529] [2021-11-03 05:35:44,893 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421667,421680] [2021-11-03 05:35:44,894 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421817,421830] [2021-11-03 05:35:44,894 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421964,421977] [2021-11-03 05:35:44,895 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422115,422128] [2021-11-03 05:35:44,895 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422266,422279] [2021-11-03 05:35:44,896 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422414,422427] [2021-11-03 05:35:44,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422580,422593] [2021-11-03 05:35:44,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422749,422762] [2021-11-03 05:35:44,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422916,422929] [2021-11-03 05:35:44,898 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423084,423097] [2021-11-03 05:35:44,899 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423234,423247] [2021-11-03 05:35:44,900 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423381,423394] [2021-11-03 05:35:44,900 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423542,423555] [2021-11-03 05:35:44,901 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423712,423725] [2021-11-03 05:35:44,902 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423874,423887] [2021-11-03 05:35:44,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:35:44,979 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-03 05:35:44,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@728399f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:35:44, skipping insertion in model container [2021-11-03 05:35:44,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:35:44,981 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 05:35:44,987 INFO L168 Benchmark]: Toolchain (without parser) took 4660.05 ms. Allocated memory was 125.8 MB in the beginning and 172.0 MB in the end (delta: 46.1 MB). Free memory was 75.6 MB in the beginning and 76.4 MB in the end (delta: -736.9 kB). Peak memory consumption was 44.7 MB. Max. memory is 16.1 GB. [2021-11-03 05:35:44,988 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 88.1 MB. Free memory is still 41.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:35:44,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4655.16 ms. Allocated memory was 125.8 MB in the beginning and 172.0 MB in the end (delta: 46.1 MB). Free memory was 75.4 MB in the beginning and 76.4 MB in the end (delta: -963.8 kB). Peak memory consumption was 44.7 MB. Max. memory is 16.1 GB. [2021-11-03 05:35:44,990 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 88.1 MB. Free memory is still 41.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4655.16 ms. Allocated memory was 125.8 MB in the beginning and 172.0 MB in the end (delta: 46.1 MB). Free memory was 75.4 MB in the beginning and 76.4 MB in the end (delta: -963.8 kB). Peak memory consumption was 44.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7334]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a88d6e7bf2b158373436b40548cbe71d2b3a1f454b281f07c3b1b175d00e8682 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:35:47,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:35:47,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:35:47,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:35:47,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:35:47,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:35:47,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:35:47,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:35:47,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:35:47,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:35:47,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:35:47,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:35:47,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:35:47,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:35:47,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:35:47,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:35:47,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:35:47,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:35:47,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:35:47,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:35:47,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:35:47,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:35:47,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:35:47,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:35:47,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:35:47,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:35:47,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:35:47,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:35:47,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:35:47,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:35:47,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:35:47,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:35:47,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:35:47,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:35:47,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:35:47,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:35:47,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:35:47,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:35:47,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:35:47,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:35:47,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:35:47,294 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 05:35:47,320 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:35:47,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:35:47,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:35:47,322 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:35:47,322 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:35:47,322 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:35:47,322 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:35:47,323 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:35:47,323 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:35:47,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:35:47,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:35:47,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:35:47,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:35:47,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:35:47,325 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:35:47,325 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:35:47,325 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:35:47,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:35:47,325 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:35:47,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:35:47,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:35:47,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:35:47,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:35:47,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:35:47,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:35:47,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:35:47,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:35:47,327 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:35:47,328 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:35:47,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:35:47,330 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:35:47,330 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:35:47,330 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a88d6e7bf2b158373436b40548cbe71d2b3a1f454b281f07c3b1b175d00e8682 [2021-11-03 05:35:47,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:35:47,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:35:47,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:35:47,730 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:35:47,731 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:35:47,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i [2021-11-03 05:35:47,799 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/data/200b31718/761a47c92ea24efa90aa790ce53a087e/FLAGed2c03ff2 [2021-11-03 05:35:48,793 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:35:48,793 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i [2021-11-03 05:35:48,858 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/data/200b31718/761a47c92ea24efa90aa790ce53a087e/FLAGed2c03ff2 [2021-11-03 05:35:49,169 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/data/200b31718/761a47c92ea24efa90aa790ce53a087e [2021-11-03 05:35:49,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:35:49,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:35:49,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:35:49,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:35:49,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:35:49,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:35:49" (1/1) ... [2021-11-03 05:35:49,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a11ef62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:35:49, skipping insertion in model container [2021-11-03 05:35:49,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:35:49" (1/1) ... [2021-11-03 05:35:49,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:35:49,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:35:53,559 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410486,410499] [2021-11-03 05:35:53,562 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410631,410644] [2021-11-03 05:35:53,563 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410777,410790] [2021-11-03 05:35:53,563 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410942,410955] [2021-11-03 05:35:53,564 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411100,411113] [2021-11-03 05:35:53,564 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411258,411271] [2021-11-03 05:35:53,565 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411416,411429] [2021-11-03 05:35:53,565 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411576,411589] [2021-11-03 05:35:53,566 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411735,411748] [2021-11-03 05:35:53,566 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411874,411887] [2021-11-03 05:35:53,567 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412016,412029] [2021-11-03 05:35:53,567 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412165,412178] [2021-11-03 05:35:53,568 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412304,412317] [2021-11-03 05:35:53,568 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412459,412472] [2021-11-03 05:35:53,569 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412619,412632] [2021-11-03 05:35:53,569 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412770,412783] [2021-11-03 05:35:53,570 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412921,412934] [2021-11-03 05:35:53,570 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413073,413086] [2021-11-03 05:35:53,571 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413222,413235] [2021-11-03 05:35:53,571 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413370,413383] [2021-11-03 05:35:53,572 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413527,413540] [2021-11-03 05:35:53,572 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413676,413689] [2021-11-03 05:35:53,573 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413832,413845] [2021-11-03 05:35:53,573 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413985,413998] [2021-11-03 05:35:53,574 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414131,414144] [2021-11-03 05:35:53,574 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414274,414287] [2021-11-03 05:35:53,575 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414426,414439] [2021-11-03 05:35:53,575 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414572,414585] [2021-11-03 05:35:53,576 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414717,414730] [2021-11-03 05:35:53,576 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414871,414884] [2021-11-03 05:35:53,577 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415022,415035] [2021-11-03 05:35:53,577 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415177,415190] [2021-11-03 05:35:53,578 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415329,415342] [2021-11-03 05:35:53,578 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415484,415497] [2021-11-03 05:35:53,579 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415648,415661] [2021-11-03 05:35:53,579 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415804,415817] [2021-11-03 05:35:53,579 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415968,415981] [2021-11-03 05:35:53,580 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416110,416123] [2021-11-03 05:35:53,580 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416268,416281] [2021-11-03 05:35:53,581 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416435,416448] [2021-11-03 05:35:53,581 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416594,416607] [2021-11-03 05:35:53,582 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416753,416766] [2021-11-03 05:35:53,582 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416902,416915] [2021-11-03 05:35:53,583 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417049,417062] [2021-11-03 05:35:53,583 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417188,417201] [2021-11-03 05:35:53,584 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417351,417364] [2021-11-03 05:35:53,584 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417517,417530] [2021-11-03 05:35:53,584 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417681,417694] [2021-11-03 05:35:53,585 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417846,417859] [2021-11-03 05:35:53,585 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418011,418024] [2021-11-03 05:35:53,586 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418177,418190] [2021-11-03 05:35:53,586 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418342,418355] [2021-11-03 05:35:53,587 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418509,418522] [2021-11-03 05:35:53,587 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418669,418682] [2021-11-03 05:35:53,591 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418831,418844] [2021-11-03 05:35:53,592 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418990,419003] [2021-11-03 05:35:53,592 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419136,419149] [2021-11-03 05:35:53,593 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419279,419292] [2021-11-03 05:35:53,593 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419423,419436] [2021-11-03 05:35:53,594 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419566,419579] [2021-11-03 05:35:53,594 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419710,419723] [2021-11-03 05:35:53,595 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419851,419864] [2021-11-03 05:35:53,595 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419989,420002] [2021-11-03 05:35:53,596 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420147,420160] [2021-11-03 05:35:53,596 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420306,420319] [2021-11-03 05:35:53,597 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420462,420475] [2021-11-03 05:35:53,597 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420611,420624] [2021-11-03 05:35:53,598 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420763,420776] [2021-11-03 05:35:53,598 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420914,420927] [2021-11-03 05:35:53,599 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421063,421076] [2021-11-03 05:35:53,599 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421215,421228] [2021-11-03 05:35:53,600 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421363,421376] [2021-11-03 05:35:53,600 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421516,421529] [2021-11-03 05:35:53,600 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421667,421680] [2021-11-03 05:35:53,602 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421817,421830] [2021-11-03 05:35:53,602 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421964,421977] [2021-11-03 05:35:53,602 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422115,422128] [2021-11-03 05:35:53,603 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422266,422279] [2021-11-03 05:35:53,603 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422414,422427] [2021-11-03 05:35:53,604 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422580,422593] [2021-11-03 05:35:53,604 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422749,422762] [2021-11-03 05:35:53,605 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422916,422929] [2021-11-03 05:35:53,605 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423084,423097] [2021-11-03 05:35:53,606 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423234,423247] [2021-11-03 05:35:53,606 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423381,423394] [2021-11-03 05:35:53,606 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423542,423555] [2021-11-03 05:35:53,607 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423712,423725] [2021-11-03 05:35:53,607 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423874,423887] [2021-11-03 05:35:53,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:35:53,679 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 05:35:53,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:35:54,171 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410486,410499] [2021-11-03 05:35:54,171 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410631,410644] [2021-11-03 05:35:54,173 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410777,410790] [2021-11-03 05:35:54,173 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410942,410955] [2021-11-03 05:35:54,175 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411100,411113] [2021-11-03 05:35:54,175 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411258,411271] [2021-11-03 05:35:54,177 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411416,411429] [2021-11-03 05:35:54,178 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411576,411589] [2021-11-03 05:35:54,178 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411735,411748] [2021-11-03 05:35:54,179 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411874,411887] [2021-11-03 05:35:54,179 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412016,412029] [2021-11-03 05:35:54,180 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412165,412178] [2021-11-03 05:35:54,180 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412304,412317] [2021-11-03 05:35:54,181 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412459,412472] [2021-11-03 05:35:54,181 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412619,412632] [2021-11-03 05:35:54,182 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412770,412783] [2021-11-03 05:35:54,182 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412921,412934] [2021-11-03 05:35:54,183 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413073,413086] [2021-11-03 05:35:54,183 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413222,413235] [2021-11-03 05:35:54,183 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413370,413383] [2021-11-03 05:35:54,184 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413527,413540] [2021-11-03 05:35:54,185 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413676,413689] [2021-11-03 05:35:54,185 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413832,413845] [2021-11-03 05:35:54,186 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413985,413998] [2021-11-03 05:35:54,186 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414131,414144] [2021-11-03 05:35:54,187 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414274,414287] [2021-11-03 05:35:54,188 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414426,414439] [2021-11-03 05:35:54,188 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414572,414585] [2021-11-03 05:35:54,189 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414717,414730] [2021-11-03 05:35:54,189 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414871,414884] [2021-11-03 05:35:54,190 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415022,415035] [2021-11-03 05:35:54,190 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415177,415190] [2021-11-03 05:35:54,191 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415329,415342] [2021-11-03 05:35:54,192 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415484,415497] [2021-11-03 05:35:54,192 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415648,415661] [2021-11-03 05:35:54,192 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415804,415817] [2021-11-03 05:35:54,193 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415968,415981] [2021-11-03 05:35:54,193 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416110,416123] [2021-11-03 05:35:54,195 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416268,416281] [2021-11-03 05:35:54,195 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416435,416448] [2021-11-03 05:35:54,196 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416594,416607] [2021-11-03 05:35:54,197 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416753,416766] [2021-11-03 05:35:54,197 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416902,416915] [2021-11-03 05:35:54,198 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417049,417062] [2021-11-03 05:35:54,198 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417188,417201] [2021-11-03 05:35:54,198 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417351,417364] [2021-11-03 05:35:54,199 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417517,417530] [2021-11-03 05:35:54,200 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417681,417694] [2021-11-03 05:35:54,200 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417846,417859] [2021-11-03 05:35:54,201 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418011,418024] [2021-11-03 05:35:54,201 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418177,418190] [2021-11-03 05:35:54,202 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418342,418355] [2021-11-03 05:35:54,203 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418509,418522] [2021-11-03 05:35:54,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418669,418682] [2021-11-03 05:35:54,208 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418831,418844] [2021-11-03 05:35:54,208 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418990,419003] [2021-11-03 05:35:54,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419136,419149] [2021-11-03 05:35:54,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419279,419292] [2021-11-03 05:35:54,210 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419423,419436] [2021-11-03 05:35:54,211 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419566,419579] [2021-11-03 05:35:54,215 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419710,419723] [2021-11-03 05:35:54,218 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419851,419864] [2021-11-03 05:35:54,219 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419989,420002] [2021-11-03 05:35:54,219 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420147,420160] [2021-11-03 05:35:54,220 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420306,420319] [2021-11-03 05:35:54,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420462,420475] [2021-11-03 05:35:54,223 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420611,420624] [2021-11-03 05:35:54,223 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420763,420776] [2021-11-03 05:35:54,223 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420914,420927] [2021-11-03 05:35:54,224 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421063,421076] [2021-11-03 05:35:54,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421215,421228] [2021-11-03 05:35:54,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421363,421376] [2021-11-03 05:35:54,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421516,421529] [2021-11-03 05:35:54,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421667,421680] [2021-11-03 05:35:54,230 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421817,421830] [2021-11-03 05:35:54,230 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421964,421977] [2021-11-03 05:35:54,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422115,422128] [2021-11-03 05:35:54,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422266,422279] [2021-11-03 05:35:54,233 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422414,422427] [2021-11-03 05:35:54,234 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422580,422593] [2021-11-03 05:35:54,234 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422749,422762] [2021-11-03 05:35:54,235 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422916,422929] [2021-11-03 05:35:54,236 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423084,423097] [2021-11-03 05:35:54,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423234,423247] [2021-11-03 05:35:54,241 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423381,423394] [2021-11-03 05:35:54,278 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423542,423555] [2021-11-03 05:35:54,279 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423712,423725] [2021-11-03 05:35:54,279 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423874,423887] [2021-11-03 05:35:54,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:35:54,320 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:35:54,762 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410486,410499] [2021-11-03 05:35:54,762 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410631,410644] [2021-11-03 05:35:54,765 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410777,410790] [2021-11-03 05:35:54,765 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410942,410955] [2021-11-03 05:35:54,766 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411100,411113] [2021-11-03 05:35:54,766 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411258,411271] [2021-11-03 05:35:54,767 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411416,411429] [2021-11-03 05:35:54,767 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411576,411589] [2021-11-03 05:35:54,767 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411735,411748] [2021-11-03 05:35:54,768 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411874,411887] [2021-11-03 05:35:54,768 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412016,412029] [2021-11-03 05:35:54,769 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412165,412178] [2021-11-03 05:35:54,769 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412304,412317] [2021-11-03 05:35:54,769 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412459,412472] [2021-11-03 05:35:54,770 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412619,412632] [2021-11-03 05:35:54,770 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412770,412783] [2021-11-03 05:35:54,770 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412921,412934] [2021-11-03 05:35:54,771 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413073,413086] [2021-11-03 05:35:54,771 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413222,413235] [2021-11-03 05:35:54,772 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413370,413383] [2021-11-03 05:35:54,772 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413527,413540] [2021-11-03 05:35:54,772 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413676,413689] [2021-11-03 05:35:54,773 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413832,413845] [2021-11-03 05:35:54,773 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413985,413998] [2021-11-03 05:35:54,773 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414131,414144] [2021-11-03 05:35:54,774 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414274,414287] [2021-11-03 05:35:54,776 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414426,414439] [2021-11-03 05:35:54,776 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414572,414585] [2021-11-03 05:35:54,777 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414717,414730] [2021-11-03 05:35:54,778 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414871,414884] [2021-11-03 05:35:54,778 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415022,415035] [2021-11-03 05:35:54,779 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415177,415190] [2021-11-03 05:35:54,779 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415329,415342] [2021-11-03 05:35:54,780 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415484,415497] [2021-11-03 05:35:54,780 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415648,415661] [2021-11-03 05:35:54,780 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415804,415817] [2021-11-03 05:35:54,781 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415968,415981] [2021-11-03 05:35:54,781 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416110,416123] [2021-11-03 05:35:54,782 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416268,416281] [2021-11-03 05:35:54,783 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416435,416448] [2021-11-03 05:35:54,784 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416594,416607] [2021-11-03 05:35:54,784 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416753,416766] [2021-11-03 05:35:54,785 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416902,416915] [2021-11-03 05:35:54,785 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417049,417062] [2021-11-03 05:35:54,787 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417188,417201] [2021-11-03 05:35:54,788 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417351,417364] [2021-11-03 05:35:54,788 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417517,417530] [2021-11-03 05:35:54,788 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417681,417694] [2021-11-03 05:35:54,789 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417846,417859] [2021-11-03 05:35:54,789 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418011,418024] [2021-11-03 05:35:54,789 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418177,418190] [2021-11-03 05:35:54,790 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418342,418355] [2021-11-03 05:35:54,791 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418509,418522] [2021-11-03 05:35:54,791 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418669,418682] [2021-11-03 05:35:54,791 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418831,418844] [2021-11-03 05:35:54,792 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418990,419003] [2021-11-03 05:35:54,792 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419136,419149] [2021-11-03 05:35:54,793 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419279,419292] [2021-11-03 05:35:54,793 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419423,419436] [2021-11-03 05:35:54,793 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419566,419579] [2021-11-03 05:35:54,794 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419710,419723] [2021-11-03 05:35:54,794 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419851,419864] [2021-11-03 05:35:54,794 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419989,420002] [2021-11-03 05:35:54,795 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420147,420160] [2021-11-03 05:35:54,795 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420306,420319] [2021-11-03 05:35:54,796 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420462,420475] [2021-11-03 05:35:54,796 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420611,420624] [2021-11-03 05:35:54,796 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420763,420776] [2021-11-03 05:35:54,797 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420914,420927] [2021-11-03 05:35:54,797 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421063,421076] [2021-11-03 05:35:54,797 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421215,421228] [2021-11-03 05:35:54,798 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421363,421376] [2021-11-03 05:35:54,798 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421516,421529] [2021-11-03 05:35:54,799 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421667,421680] [2021-11-03 05:35:54,799 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421817,421830] [2021-11-03 05:35:54,800 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421964,421977] [2021-11-03 05:35:54,800 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422115,422128] [2021-11-03 05:35:54,801 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422266,422279] [2021-11-03 05:35:54,801 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422414,422427] [2021-11-03 05:35:54,802 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422580,422593] [2021-11-03 05:35:54,806 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422749,422762] [2021-11-03 05:35:54,807 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422916,422929] [2021-11-03 05:35:54,810 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423084,423097] [2021-11-03 05:35:54,811 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423234,423247] [2021-11-03 05:35:54,811 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423381,423394] [2021-11-03 05:35:54,812 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423542,423555] [2021-11-03 05:35:54,812 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423712,423725] [2021-11-03 05:35:54,812 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423874,423887] [2021-11-03 05:35:54,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:35:55,209 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:35:55,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:35:55 WrapperNode [2021-11-03 05:35:55,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:35:55,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:35:55,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:35:55,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:35:55,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:35:55" (1/1) ... [2021-11-03 05:35:55,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:35:55" (1/1) ... [2021-11-03 05:35:56,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:35:56,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:35:56,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:35:56,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:35:56,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:35:55" (1/1) ... [2021-11-03 05:35:56,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:35:55" (1/1) ... [2021-11-03 05:35:56,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:35:55" (1/1) ... [2021-11-03 05:35:56,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:35:55" (1/1) ... [2021-11-03 05:35:57,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:35:55" (1/1) ... [2021-11-03 05:35:57,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:35:55" (1/1) ... [2021-11-03 05:35:57,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:35:55" (1/1) ... [2021-11-03 05:35:57,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:35:57,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:35:57,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:35:57,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:35:57,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:35:55" (1/1) ... [2021-11-03 05:35:57,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:35:57,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:35:57,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:35:57,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:35:57,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 05:35:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 05:35:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 05:35:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 05:35:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 05:35:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 05:35:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-03 05:35:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-03 05:35:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-03 05:35:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-03 05:35:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:35:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:35:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 05:35:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 05:35:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 05:35:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 05:35:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-03 05:35:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 05:35:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:35:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 05:35:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 05:35:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 05:35:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-03 05:35:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 05:35:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 05:35:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-03 05:35:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-03 05:35:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-03 05:35:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-03 05:37:54,709 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_14_returnLabel: main_#res := 0bv32; [2021-11-03 05:37:54,709 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-03 05:37:54,710 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_pci_pci_instance_2_switch_break: call ULTIMATE.dealloc(ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.base, ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.offset);havoc ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.base, ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.offset; [2021-11-03 05:37:54,710 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10080: #t~ret1082 := main_#res; [2021-11-03 05:37:54,767 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:37:54,767 INFO L299 CfgBuilder]: Removed 7260 assume(true) statements. [2021-11-03 05:37:54,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:37:54 BoogieIcfgContainer [2021-11-03 05:37:54,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:37:54,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:37:54,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:37:54,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:37:54,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:35:49" (1/3) ... [2021-11-03 05:37:54,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da61d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:37:54, skipping insertion in model container [2021-11-03 05:37:54,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:35:55" (2/3) ... [2021-11-03 05:37:54,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da61d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:37:54, skipping insertion in model container [2021-11-03 05:37:54,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:37:54" (3/3) ... [2021-11-03 05:37:54,783 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i [2021-11-03 05:37:54,788 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:37:54,789 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 114 error locations. [2021-11-03 05:37:54,861 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:37:54,867 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=FINITE_AUTOMATA, 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 [2021-11-03 05:37:54,867 INFO L340 AbstractCegarLoop]: Starting to check reachability of 114 error locations. [2021-11-03 05:37:54,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 5943 states, 5829 states have (on average 1.3134328358208955) internal successors, (7656), 5942 states have internal predecessors, (7656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:54,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-03 05:37:54,981 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:37:54,981 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:37:54,982 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:37:54,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:37:54,987 INFO L85 PathProgramCache]: Analyzing trace with hash -742683515, now seen corresponding path program 1 times [2021-11-03 05:37:55,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:37:55,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334570396] [2021-11-03 05:37:55,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:55,005 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:37:55,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:37:55,008 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:37:55,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 05:37:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:56,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:37:56,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:37:56,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:37:56,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:37:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:37:56,835 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:37:56,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334570396] [2021-11-03 05:37:56,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334570396] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:37:56,836 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:37:56,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:37:56,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657832864] [2021-11-03 05:37:56,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:37:56,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:37:56,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:37:56,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:37:56,872 INFO L87 Difference]: Start difference. First operand has 5943 states, 5829 states have (on average 1.3134328358208955) internal successors, (7656), 5942 states have internal predecessors, (7656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:57,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:37:57,525 INFO L93 Difference]: Finished difference Result 11842 states and 15257 transitions. [2021-11-03 05:37:57,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:37:57,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-03 05:37:57,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:37:57,577 INFO L225 Difference]: With dead ends: 11842 [2021-11-03 05:37:57,578 INFO L226 Difference]: Without dead ends: 5812 [2021-11-03 05:37:57,596 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:37:57,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5812 states. [2021-11-03 05:37:57,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5812 to 5812. [2021-11-03 05:37:57,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5812 states, 5700 states have (on average 1.2663157894736843) internal successors, (7218), 5811 states have internal predecessors, (7218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:57,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5812 states to 5812 states and 7218 transitions. [2021-11-03 05:37:57,906 INFO L78 Accepts]: Start accepts. Automaton has 5812 states and 7218 transitions. Word has length 26 [2021-11-03 05:37:57,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:37:57,906 INFO L470 AbstractCegarLoop]: Abstraction has 5812 states and 7218 transitions. [2021-11-03 05:37:57,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:37:57,907 INFO L276 IsEmpty]: Start isEmpty. Operand 5812 states and 7218 transitions. [2021-11-03 05:37:57,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-03 05:37:57,908 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:37:57,908 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:37:57,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:37:58,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:37:58,131 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:37:58,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:37:58,132 INFO L85 PathProgramCache]: Analyzing trace with hash -753602775, now seen corresponding path program 1 times [2021-11-03 05:37:58,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:37:58,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1368625730] [2021-11-03 05:37:58,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:37:58,134 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:37:58,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:37:58,136 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:37:58,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 05:37:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:37:59,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:37:59,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:37:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:37:59,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:37:59,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:37:59,839 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:37:59,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1368625730] [2021-11-03 05:37:59,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1368625730] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:37:59,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:37:59,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:37:59,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412359983] [2021-11-03 05:37:59,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:37:59,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:37:59,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:37:59,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:37:59,842 INFO L87 Difference]: Start difference. First operand 5812 states and 7218 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:00,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:00,135 INFO L93 Difference]: Finished difference Result 5812 states and 7218 transitions. [2021-11-03 05:38:00,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:00,136 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-03 05:38:00,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:00,169 INFO L225 Difference]: With dead ends: 5812 [2021-11-03 05:38:00,169 INFO L226 Difference]: Without dead ends: 5808 [2021-11-03 05:38:00,172 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:38:00,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5808 states. [2021-11-03 05:38:00,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5808 to 5808. [2021-11-03 05:38:00,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5808 states, 5698 states have (on average 1.266058266058266) internal successors, (7214), 5807 states have internal predecessors, (7214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:00,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5808 states to 5808 states and 7214 transitions. [2021-11-03 05:38:00,449 INFO L78 Accepts]: Start accepts. Automaton has 5808 states and 7214 transitions. Word has length 28 [2021-11-03 05:38:00,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:00,450 INFO L470 AbstractCegarLoop]: Abstraction has 5808 states and 7214 transitions. [2021-11-03 05:38:00,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:00,451 INFO L276 IsEmpty]: Start isEmpty. Operand 5808 states and 7214 transitions. [2021-11-03 05:38:00,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-03 05:38:00,452 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:00,453 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:00,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:00,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:00,669 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:00,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:00,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1637890605, now seen corresponding path program 1 times [2021-11-03 05:38:00,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:00,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108123211] [2021-11-03 05:38:00,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:00,670 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:00,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:00,671 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:00,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 05:38:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:01,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:38:01,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:01,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:01,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:02,189 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:02,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108123211] [2021-11-03 05:38:02,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108123211] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:02,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:02,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:38:02,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528913018] [2021-11-03 05:38:02,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:38:02,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:02,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:38:02,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:38:02,191 INFO L87 Difference]: Start difference. First operand 5808 states and 7214 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:02,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:02,666 INFO L93 Difference]: Finished difference Result 5808 states and 7214 transitions. [2021-11-03 05:38:02,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:02,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-03 05:38:02,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:02,698 INFO L225 Difference]: With dead ends: 5808 [2021-11-03 05:38:02,698 INFO L226 Difference]: Without dead ends: 5804 [2021-11-03 05:38:02,701 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:38:02,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5804 states. [2021-11-03 05:38:02,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5804 to 5804. [2021-11-03 05:38:02,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5804 states, 5696 states have (on average 1.2658005617977528) internal successors, (7210), 5803 states have internal predecessors, (7210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:02,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5804 states to 5804 states and 7210 transitions. [2021-11-03 05:38:02,991 INFO L78 Accepts]: Start accepts. Automaton has 5804 states and 7210 transitions. Word has length 30 [2021-11-03 05:38:02,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:02,992 INFO L470 AbstractCegarLoop]: Abstraction has 5804 states and 7210 transitions. [2021-11-03 05:38:02,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:02,993 INFO L276 IsEmpty]: Start isEmpty. Operand 5804 states and 7210 transitions. [2021-11-03 05:38:02,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-03 05:38:02,996 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:02,997 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:03,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:03,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:03,216 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:03,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:03,216 INFO L85 PathProgramCache]: Analyzing trace with hash 2055525777, now seen corresponding path program 1 times [2021-11-03 05:38:03,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:03,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1368600895] [2021-11-03 05:38:03,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:03,217 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:03,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:03,218 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:03,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 05:38:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:04,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:38:04,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:04,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:04,796 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:05,021 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:05,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1368600895] [2021-11-03 05:38:05,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1368600895] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:05,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:05,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:38:05,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175804142] [2021-11-03 05:38:05,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:38:05,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:05,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:38:05,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:38:05,023 INFO L87 Difference]: Start difference. First operand 5804 states and 7210 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:05,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:05,339 INFO L93 Difference]: Finished difference Result 5804 states and 7210 transitions. [2021-11-03 05:38:05,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:05,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-03 05:38:05,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:05,372 INFO L225 Difference]: With dead ends: 5804 [2021-11-03 05:38:05,372 INFO L226 Difference]: Without dead ends: 5800 [2021-11-03 05:38:05,375 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:38:05,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5800 states. [2021-11-03 05:38:05,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5800 to 5800. [2021-11-03 05:38:05,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5800 states, 5694 states have (on average 1.2655426765015807) internal successors, (7206), 5799 states have internal predecessors, (7206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:05,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5800 states to 5800 states and 7206 transitions. [2021-11-03 05:38:05,750 INFO L78 Accepts]: Start accepts. Automaton has 5800 states and 7206 transitions. Word has length 32 [2021-11-03 05:38:05,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:05,751 INFO L470 AbstractCegarLoop]: Abstraction has 5800 states and 7206 transitions. [2021-11-03 05:38:05,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:05,751 INFO L276 IsEmpty]: Start isEmpty. Operand 5800 states and 7206 transitions. [2021-11-03 05:38:05,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-03 05:38:05,757 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:05,757 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:05,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:05,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:05,972 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:05,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:05,973 INFO L85 PathProgramCache]: Analyzing trace with hash -323999403, now seen corresponding path program 1 times [2021-11-03 05:38:05,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:05,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554636775] [2021-11-03 05:38:05,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:05,974 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:05,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:05,976 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:06,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 05:38:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:07,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:38:07,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:07,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:07,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:07,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:07,550 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:07,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [554636775] [2021-11-03 05:38:07,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [554636775] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:07,550 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:07,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:38:07,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875116412] [2021-11-03 05:38:07,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:38:07,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:07,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:38:07,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:38:07,552 INFO L87 Difference]: Start difference. First operand 5800 states and 7206 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:07,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:07,910 INFO L93 Difference]: Finished difference Result 5800 states and 7206 transitions. [2021-11-03 05:38:07,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:07,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-03 05:38:07,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:07,958 INFO L225 Difference]: With dead ends: 5800 [2021-11-03 05:38:07,958 INFO L226 Difference]: Without dead ends: 5796 [2021-11-03 05:38:07,961 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:38:07,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5796 states. [2021-11-03 05:38:08,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5796 to 5796. [2021-11-03 05:38:08,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5796 states, 5692 states have (on average 1.2652846099789177) internal successors, (7202), 5795 states have internal predecessors, (7202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:08,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5796 states to 5796 states and 7202 transitions. [2021-11-03 05:38:08,358 INFO L78 Accepts]: Start accepts. Automaton has 5796 states and 7202 transitions. Word has length 34 [2021-11-03 05:38:08,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:08,360 INFO L470 AbstractCegarLoop]: Abstraction has 5796 states and 7202 transitions. [2021-11-03 05:38:08,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:08,360 INFO L276 IsEmpty]: Start isEmpty. Operand 5796 states and 7202 transitions. [2021-11-03 05:38:08,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-03 05:38:08,363 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:08,363 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:08,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:08,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:08,585 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:08,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:08,585 INFO L85 PathProgramCache]: Analyzing trace with hash -2125095559, now seen corresponding path program 1 times [2021-11-03 05:38:08,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:08,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1318925684] [2021-11-03 05:38:08,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:08,586 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:08,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:08,587 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:08,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 05:38:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:09,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:38:09,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:09,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:09,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:10,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:10,133 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:10,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1318925684] [2021-11-03 05:38:10,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1318925684] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:10,134 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:10,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:38:10,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588482456] [2021-11-03 05:38:10,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:38:10,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:10,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:38:10,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:38:10,135 INFO L87 Difference]: Start difference. First operand 5796 states and 7202 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:10,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:10,483 INFO L93 Difference]: Finished difference Result 5796 states and 7202 transitions. [2021-11-03 05:38:10,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:10,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-03 05:38:10,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:10,497 INFO L225 Difference]: With dead ends: 5796 [2021-11-03 05:38:10,498 INFO L226 Difference]: Without dead ends: 5792 [2021-11-03 05:38:10,500 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:38:10,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5792 states. [2021-11-03 05:38:10,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5792 to 5792. [2021-11-03 05:38:10,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5792 states, 5690 states have (on average 1.2650263620386644) internal successors, (7198), 5791 states have internal predecessors, (7198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:10,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5792 states to 5792 states and 7198 transitions. [2021-11-03 05:38:10,779 INFO L78 Accepts]: Start accepts. Automaton has 5792 states and 7198 transitions. Word has length 36 [2021-11-03 05:38:10,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:10,780 INFO L470 AbstractCegarLoop]: Abstraction has 5792 states and 7198 transitions. [2021-11-03 05:38:10,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 5792 states and 7198 transitions. [2021-11-03 05:38:10,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-03 05:38:10,781 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:10,781 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:10,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:10,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:10,997 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:10,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:10,997 INFO L85 PathProgramCache]: Analyzing trace with hash -2106680835, now seen corresponding path program 1 times [2021-11-03 05:38:10,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:10,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596749117] [2021-11-03 05:38:10,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:10,998 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:10,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:11,000 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:11,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 05:38:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:12,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:38:12,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:12,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:12,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:12,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:12,473 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:12,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596749117] [2021-11-03 05:38:12,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1596749117] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:12,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:12,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:38:12,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440075726] [2021-11-03 05:38:12,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:38:12,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:12,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:38:12,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:38:12,474 INFO L87 Difference]: Start difference. First operand 5792 states and 7198 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:12,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:12,782 INFO L93 Difference]: Finished difference Result 5792 states and 7198 transitions. [2021-11-03 05:38:12,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:12,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-03 05:38:12,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:12,796 INFO L225 Difference]: With dead ends: 5792 [2021-11-03 05:38:12,797 INFO L226 Difference]: Without dead ends: 5788 [2021-11-03 05:38:12,799 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:38:12,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5788 states. [2021-11-03 05:38:13,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5788 to 5788. [2021-11-03 05:38:13,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5788 states, 5688 states have (on average 1.2647679324894514) internal successors, (7194), 5787 states have internal predecessors, (7194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:13,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5788 states to 5788 states and 7194 transitions. [2021-11-03 05:38:13,126 INFO L78 Accepts]: Start accepts. Automaton has 5788 states and 7194 transitions. Word has length 38 [2021-11-03 05:38:13,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:13,126 INFO L470 AbstractCegarLoop]: Abstraction has 5788 states and 7194 transitions. [2021-11-03 05:38:13,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:13,126 INFO L276 IsEmpty]: Start isEmpty. Operand 5788 states and 7194 transitions. [2021-11-03 05:38:13,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-03 05:38:13,128 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:13,128 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:13,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:13,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:13,354 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:13,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:13,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1589999903, now seen corresponding path program 1 times [2021-11-03 05:38:13,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:13,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119399074] [2021-11-03 05:38:13,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:13,356 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:13,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:13,356 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:13,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-03 05:38:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:14,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:38:14,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:14,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:14,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:14,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:14,944 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:14,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119399074] [2021-11-03 05:38:14,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2119399074] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:14,944 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:14,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:38:14,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474139765] [2021-11-03 05:38:14,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:38:14,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:14,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:38:14,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:38:14,946 INFO L87 Difference]: Start difference. First operand 5788 states and 7194 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:15,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:15,357 INFO L93 Difference]: Finished difference Result 5788 states and 7194 transitions. [2021-11-03 05:38:15,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:15,357 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-03 05:38:15,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:15,372 INFO L225 Difference]: With dead ends: 5788 [2021-11-03 05:38:15,373 INFO L226 Difference]: Without dead ends: 5784 [2021-11-03 05:38:15,376 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:38:15,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5784 states. [2021-11-03 05:38:15,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5784 to 5784. [2021-11-03 05:38:15,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5784 states, 5686 states have (on average 1.2645093211396412) internal successors, (7190), 5783 states have internal predecessors, (7190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:15,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5784 states to 5784 states and 7190 transitions. [2021-11-03 05:38:15,685 INFO L78 Accepts]: Start accepts. Automaton has 5784 states and 7190 transitions. Word has length 40 [2021-11-03 05:38:15,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:15,686 INFO L470 AbstractCegarLoop]: Abstraction has 5784 states and 7190 transitions. [2021-11-03 05:38:15,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:15,686 INFO L276 IsEmpty]: Start isEmpty. Operand 5784 states and 7190 transitions. [2021-11-03 05:38:15,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-03 05:38:15,687 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:15,687 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:15,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:15,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:15,909 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:15,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:15,909 INFO L85 PathProgramCache]: Analyzing trace with hash -640109075, now seen corresponding path program 1 times [2021-11-03 05:38:15,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:15,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055469057] [2021-11-03 05:38:15,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:15,911 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:15,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:15,911 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:15,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-03 05:38:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:17,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:38:17,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:17,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:17,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:17,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:17,461 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:17,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055469057] [2021-11-03 05:38:17,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2055469057] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:17,461 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:17,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:38:17,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205048663] [2021-11-03 05:38:17,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:38:17,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:17,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:38:17,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:38:17,463 INFO L87 Difference]: Start difference. First operand 5784 states and 7190 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:18,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:18,137 INFO L93 Difference]: Finished difference Result 13765 states and 17155 transitions. [2021-11-03 05:38:18,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:18,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-03 05:38:18,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:18,156 INFO L225 Difference]: With dead ends: 13765 [2021-11-03 05:38:18,156 INFO L226 Difference]: Without dead ends: 8012 [2021-11-03 05:38:18,168 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:38:18,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8012 states. [2021-11-03 05:38:18,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8012 to 7944. [2021-11-03 05:38:18,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7944 states, 7846 states have (on average 1.2696915625796583) internal successors, (9962), 7943 states have internal predecessors, (9962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:18,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7944 states to 7944 states and 9962 transitions. [2021-11-03 05:38:18,690 INFO L78 Accepts]: Start accepts. Automaton has 7944 states and 9962 transitions. Word has length 41 [2021-11-03 05:38:18,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:18,690 INFO L470 AbstractCegarLoop]: Abstraction has 7944 states and 9962 transitions. [2021-11-03 05:38:18,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:18,691 INFO L276 IsEmpty]: Start isEmpty. Operand 7944 states and 9962 transitions. [2021-11-03 05:38:18,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-03 05:38:18,691 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:18,691 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:18,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:18,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:18,912 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:18,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:18,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1019136068, now seen corresponding path program 1 times [2021-11-03 05:38:18,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:18,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968091639] [2021-11-03 05:38:18,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:18,914 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:18,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:18,915 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:18,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-03 05:38:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:20,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:38:20,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:20,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:20,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:20,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:20,740 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:20,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968091639] [2021-11-03 05:38:20,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [968091639] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:20,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:20,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:38:20,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557878690] [2021-11-03 05:38:20,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:38:20,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:20,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:38:20,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:38:20,741 INFO L87 Difference]: Start difference. First operand 7944 states and 9962 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:21,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:21,284 INFO L93 Difference]: Finished difference Result 7944 states and 9962 transitions. [2021-11-03 05:38:21,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:21,284 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-11-03 05:38:21,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:21,302 INFO L225 Difference]: With dead ends: 7944 [2021-11-03 05:38:21,302 INFO L226 Difference]: Without dead ends: 7940 [2021-11-03 05:38:21,306 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:38:21,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7940 states. [2021-11-03 05:38:21,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7940 to 7940. [2021-11-03 05:38:21,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7940 states, 7844 states have (on average 1.2695053544110149) internal successors, (9958), 7939 states have internal predecessors, (9958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:21,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7940 states to 7940 states and 9958 transitions. [2021-11-03 05:38:21,914 INFO L78 Accepts]: Start accepts. Automaton has 7940 states and 9958 transitions. Word has length 42 [2021-11-03 05:38:21,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:21,914 INFO L470 AbstractCegarLoop]: Abstraction has 7940 states and 9958 transitions. [2021-11-03 05:38:21,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:21,915 INFO L276 IsEmpty]: Start isEmpty. Operand 7940 states and 9958 transitions. [2021-11-03 05:38:21,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-03 05:38:21,915 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:21,916 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:21,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:22,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:22,136 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:22,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:22,137 INFO L85 PathProgramCache]: Analyzing trace with hash 497191652, now seen corresponding path program 1 times [2021-11-03 05:38:22,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:22,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548952659] [2021-11-03 05:38:22,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:22,138 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:22,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:22,139 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:22,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-03 05:38:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:23,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:38:23,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:23,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:23,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:23,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:23,876 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:23,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1548952659] [2021-11-03 05:38:23,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1548952659] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:23,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:23,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:38:23,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67229952] [2021-11-03 05:38:23,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:38:23,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:23,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:38:23,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:38:23,877 INFO L87 Difference]: Start difference. First operand 7940 states and 9958 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:24,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:24,479 INFO L93 Difference]: Finished difference Result 15846 states and 19880 transitions. [2021-11-03 05:38:24,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:38:24,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-03 05:38:24,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:24,495 INFO L225 Difference]: With dead ends: 15846 [2021-11-03 05:38:24,495 INFO L226 Difference]: Without dead ends: 7937 [2021-11-03 05:38:24,507 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:38:24,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7937 states. [2021-11-03 05:38:25,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7937 to 7937. [2021-11-03 05:38:25,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7937 states, 7842 states have (on average 1.269319051262433) internal successors, (9954), 7936 states have internal predecessors, (9954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:25,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7937 states to 7937 states and 9954 transitions. [2021-11-03 05:38:25,039 INFO L78 Accepts]: Start accepts. Automaton has 7937 states and 9954 transitions. Word has length 44 [2021-11-03 05:38:25,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:25,039 INFO L470 AbstractCegarLoop]: Abstraction has 7937 states and 9954 transitions. [2021-11-03 05:38:25,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:25,039 INFO L276 IsEmpty]: Start isEmpty. Operand 7937 states and 9954 transitions. [2021-11-03 05:38:25,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-03 05:38:25,040 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:25,040 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:25,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:25,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:25,264 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:25,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:25,265 INFO L85 PathProgramCache]: Analyzing trace with hash 137904648, now seen corresponding path program 1 times [2021-11-03 05:38:25,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:25,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [662818989] [2021-11-03 05:38:25,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:25,266 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:25,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:25,267 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:25,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-03 05:38:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:26,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:38:26,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:26,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:26,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:26,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:26,936 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:26,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [662818989] [2021-11-03 05:38:26,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [662818989] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:26,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:26,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:38:26,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352913980] [2021-11-03 05:38:26,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:38:26,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:26,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:38:26,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:38:26,938 INFO L87 Difference]: Start difference. First operand 7937 states and 9954 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:27,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:27,367 INFO L93 Difference]: Finished difference Result 7937 states and 9954 transitions. [2021-11-03 05:38:27,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:27,367 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-03 05:38:27,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:27,381 INFO L225 Difference]: With dead ends: 7937 [2021-11-03 05:38:27,381 INFO L226 Difference]: Without dead ends: 7933 [2021-11-03 05:38:27,384 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:38:27,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7933 states. [2021-11-03 05:38:27,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7933 to 7933. [2021-11-03 05:38:27,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7933 states, 7840 states have (on average 1.2691326530612246) internal successors, (9950), 7932 states have internal predecessors, (9950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:27,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7933 states to 7933 states and 9950 transitions. [2021-11-03 05:38:27,895 INFO L78 Accepts]: Start accepts. Automaton has 7933 states and 9950 transitions. Word has length 44 [2021-11-03 05:38:27,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:27,896 INFO L470 AbstractCegarLoop]: Abstraction has 7933 states and 9950 transitions. [2021-11-03 05:38:27,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:27,896 INFO L276 IsEmpty]: Start isEmpty. Operand 7933 states and 9950 transitions. [2021-11-03 05:38:27,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-03 05:38:27,897 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:27,897 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:27,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:28,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:28,117 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:28,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:28,117 INFO L85 PathProgramCache]: Analyzing trace with hash -616932308, now seen corresponding path program 1 times [2021-11-03 05:38:28,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:28,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [925193675] [2021-11-03 05:38:28,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:28,118 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:28,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:28,119 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:28,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-03 05:38:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:29,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:38:29,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:29,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:29,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:29,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:29,891 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:29,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [925193675] [2021-11-03 05:38:29,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [925193675] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:29,891 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:29,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:38:29,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962454569] [2021-11-03 05:38:29,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:38:29,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:29,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:38:29,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:38:29,893 INFO L87 Difference]: Start difference. First operand 7933 states and 9950 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:30,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:30,399 INFO L93 Difference]: Finished difference Result 7933 states and 9950 transitions. [2021-11-03 05:38:30,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:30,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-03 05:38:30,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:30,412 INFO L225 Difference]: With dead ends: 7933 [2021-11-03 05:38:30,412 INFO L226 Difference]: Without dead ends: 7929 [2021-11-03 05:38:30,416 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:38:30,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7929 states. [2021-11-03 05:38:31,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7929 to 7929. [2021-11-03 05:38:31,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7929 states, 7838 states have (on average 1.268946159734626) internal successors, (9946), 7928 states have internal predecessors, (9946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:31,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7929 states to 7929 states and 9946 transitions. [2021-11-03 05:38:31,062 INFO L78 Accepts]: Start accepts. Automaton has 7929 states and 9946 transitions. Word has length 46 [2021-11-03 05:38:31,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:31,062 INFO L470 AbstractCegarLoop]: Abstraction has 7929 states and 9946 transitions. [2021-11-03 05:38:31,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:31,062 INFO L276 IsEmpty]: Start isEmpty. Operand 7929 states and 9946 transitions. [2021-11-03 05:38:31,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-03 05:38:31,063 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:31,063 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:31,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:31,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:31,264 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:31,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:31,264 INFO L85 PathProgramCache]: Analyzing trace with hash -165773648, now seen corresponding path program 1 times [2021-11-03 05:38:31,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:31,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744506570] [2021-11-03 05:38:31,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:31,265 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:31,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:31,268 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:31,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-03 05:38:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:32,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 849 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:38:32,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:32,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:32,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:33,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:33,011 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:33,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1744506570] [2021-11-03 05:38:33,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1744506570] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:33,011 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:33,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:38:33,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007965013] [2021-11-03 05:38:33,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:38:33,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:33,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:38:33,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:38:33,014 INFO L87 Difference]: Start difference. First operand 7929 states and 9946 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:33,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:33,508 INFO L93 Difference]: Finished difference Result 7929 states and 9946 transitions. [2021-11-03 05:38:33,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:33,508 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-03 05:38:33,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:33,518 INFO L225 Difference]: With dead ends: 7929 [2021-11-03 05:38:33,518 INFO L226 Difference]: Without dead ends: 7925 [2021-11-03 05:38:33,520 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:38:33,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7925 states. [2021-11-03 05:38:34,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7925 to 7925. [2021-11-03 05:38:34,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7925 states, 7836 states have (on average 1.268759571209801) internal successors, (9942), 7924 states have internal predecessors, (9942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:34,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7925 states to 7925 states and 9942 transitions. [2021-11-03 05:38:34,087 INFO L78 Accepts]: Start accepts. Automaton has 7925 states and 9942 transitions. Word has length 48 [2021-11-03 05:38:34,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:34,087 INFO L470 AbstractCegarLoop]: Abstraction has 7925 states and 9942 transitions. [2021-11-03 05:38:34,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:34,087 INFO L276 IsEmpty]: Start isEmpty. Operand 7925 states and 9942 transitions. [2021-11-03 05:38:34,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-03 05:38:34,088 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:34,088 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:34,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:34,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:34,288 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:34,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:34,289 INFO L85 PathProgramCache]: Analyzing trace with hash -393997932, now seen corresponding path program 1 times [2021-11-03 05:38:34,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:34,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [880142404] [2021-11-03 05:38:34,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:34,290 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:34,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:34,291 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:34,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-03 05:38:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:35,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:38:35,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:35,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:35,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:36,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:36,051 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:36,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [880142404] [2021-11-03 05:38:36,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [880142404] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:36,052 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:36,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:38:36,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367150064] [2021-11-03 05:38:36,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:38:36,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:36,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:38:36,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:38:36,053 INFO L87 Difference]: Start difference. First operand 7925 states and 9942 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:36,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:36,569 INFO L93 Difference]: Finished difference Result 7925 states and 9942 transitions. [2021-11-03 05:38:36,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:36,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-11-03 05:38:36,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:36,578 INFO L225 Difference]: With dead ends: 7925 [2021-11-03 05:38:36,578 INFO L226 Difference]: Without dead ends: 7921 [2021-11-03 05:38:36,580 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:38:36,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7921 states. [2021-11-03 05:38:37,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7921 to 7921. [2021-11-03 05:38:37,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7921 states, 7834 states have (on average 1.2685728874138371) internal successors, (9938), 7920 states have internal predecessors, (9938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:37,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7921 states to 7921 states and 9938 transitions. [2021-11-03 05:38:37,171 INFO L78 Accepts]: Start accepts. Automaton has 7921 states and 9938 transitions. Word has length 50 [2021-11-03 05:38:37,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:37,171 INFO L470 AbstractCegarLoop]: Abstraction has 7921 states and 9938 transitions. [2021-11-03 05:38:37,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:37,172 INFO L276 IsEmpty]: Start isEmpty. Operand 7921 states and 9938 transitions. [2021-11-03 05:38:37,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-03 05:38:37,172 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:37,172 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:37,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-11-03 05:38:37,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:37,373 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:37,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:37,373 INFO L85 PathProgramCache]: Analyzing trace with hash -674202408, now seen corresponding path program 1 times [2021-11-03 05:38:37,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:37,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [563089294] [2021-11-03 05:38:37,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:37,374 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:37,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:37,375 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:37,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-03 05:38:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:38,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:38:38,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:38,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:38,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:39,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:39,175 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:39,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [563089294] [2021-11-03 05:38:39,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [563089294] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:39,175 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:39,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:38:39,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169655119] [2021-11-03 05:38:39,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:38:39,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:39,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:38:39,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:38:39,177 INFO L87 Difference]: Start difference. First operand 7921 states and 9938 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:39,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:39,837 INFO L93 Difference]: Finished difference Result 7921 states and 9938 transitions. [2021-11-03 05:38:39,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:39,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-03 05:38:39,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:39,845 INFO L225 Difference]: With dead ends: 7921 [2021-11-03 05:38:39,845 INFO L226 Difference]: Without dead ends: 7917 [2021-11-03 05:38:39,847 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:38:39,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7917 states. [2021-11-03 05:38:40,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7917 to 7917. [2021-11-03 05:38:40,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7917 states, 7832 states have (on average 1.2683861082737486) internal successors, (9934), 7916 states have internal predecessors, (9934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:40,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7917 states to 7917 states and 9934 transitions. [2021-11-03 05:38:40,396 INFO L78 Accepts]: Start accepts. Automaton has 7917 states and 9934 transitions. Word has length 52 [2021-11-03 05:38:40,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:40,396 INFO L470 AbstractCegarLoop]: Abstraction has 7917 states and 9934 transitions. [2021-11-03 05:38:40,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:40,396 INFO L276 IsEmpty]: Start isEmpty. Operand 7917 states and 9934 transitions. [2021-11-03 05:38:40,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 05:38:40,397 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:40,397 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:40,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:40,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:40,609 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:40,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:40,609 INFO L85 PathProgramCache]: Analyzing trace with hash 632236156, now seen corresponding path program 1 times [2021-11-03 05:38:40,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:40,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364343961] [2021-11-03 05:38:40,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:40,610 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:40,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:40,611 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:40,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-03 05:38:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:41,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:38:41,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:42,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:42,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:42,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:42,949 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:42,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364343961] [2021-11-03 05:38:42,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1364343961] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:42,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:42,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-03 05:38:42,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520021093] [2021-11-03 05:38:42,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:38:42,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:42,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:38:42,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:38:42,951 INFO L87 Difference]: Start difference. First operand 7917 states and 9934 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:43,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:43,474 INFO L93 Difference]: Finished difference Result 7917 states and 9934 transitions. [2021-11-03 05:38:43,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:43,474 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-03 05:38:43,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:43,483 INFO L225 Difference]: With dead ends: 7917 [2021-11-03 05:38:43,483 INFO L226 Difference]: Without dead ends: 7913 [2021-11-03 05:38:43,485 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:38:43,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7913 states. [2021-11-03 05:38:44,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7913 to 7913. [2021-11-03 05:38:44,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7913 states, 7830 states have (on average 1.2681992337164751) internal successors, (9930), 7912 states have internal predecessors, (9930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:44,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7913 states to 7913 states and 9930 transitions. [2021-11-03 05:38:44,275 INFO L78 Accepts]: Start accepts. Automaton has 7913 states and 9930 transitions. Word has length 54 [2021-11-03 05:38:44,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:44,275 INFO L470 AbstractCegarLoop]: Abstraction has 7913 states and 9930 transitions. [2021-11-03 05:38:44,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:44,275 INFO L276 IsEmpty]: Start isEmpty. Operand 7913 states and 9930 transitions. [2021-11-03 05:38:44,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-03 05:38:44,276 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:44,276 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:44,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:44,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:44,481 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr87ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:44,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:44,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1989246080, now seen corresponding path program 1 times [2021-11-03 05:38:44,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:44,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [233704861] [2021-11-03 05:38:44,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:44,482 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:44,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:44,483 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:44,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-03 05:38:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:45,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:38:45,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:46,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:46,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:46,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:46,419 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:46,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [233704861] [2021-11-03 05:38:46,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [233704861] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:46,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:46,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:38:46,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620554418] [2021-11-03 05:38:46,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:38:46,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:46,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:38:46,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:38:46,422 INFO L87 Difference]: Start difference. First operand 7913 states and 9930 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:47,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:47,007 INFO L93 Difference]: Finished difference Result 7913 states and 9930 transitions. [2021-11-03 05:38:47,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:47,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-11-03 05:38:47,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:47,014 INFO L225 Difference]: With dead ends: 7913 [2021-11-03 05:38:47,014 INFO L226 Difference]: Without dead ends: 7909 [2021-11-03 05:38:47,016 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:38:47,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7909 states. [2021-11-03 05:38:47,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7909 to 7909. [2021-11-03 05:38:47,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7909 states, 7828 states have (on average 1.2680122636688809) internal successors, (9926), 7908 states have internal predecessors, (9926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:47,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7909 states to 7909 states and 9926 transitions. [2021-11-03 05:38:47,612 INFO L78 Accepts]: Start accepts. Automaton has 7909 states and 9926 transitions. Word has length 56 [2021-11-03 05:38:47,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:47,613 INFO L470 AbstractCegarLoop]: Abstraction has 7909 states and 9926 transitions. [2021-11-03 05:38:47,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:47,613 INFO L276 IsEmpty]: Start isEmpty. Operand 7909 states and 9926 transitions. [2021-11-03 05:38:47,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-03 05:38:47,614 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:47,614 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:47,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:47,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:47,823 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr88ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:47,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:47,823 INFO L85 PathProgramCache]: Analyzing trace with hash 405725412, now seen corresponding path program 1 times [2021-11-03 05:38:47,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:47,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2006059626] [2021-11-03 05:38:47,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:47,825 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:47,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:47,825 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:47,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-03 05:38:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:49,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:38:49,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:49,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:49,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:49,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:49,775 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:49,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2006059626] [2021-11-03 05:38:49,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2006059626] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:49,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:49,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:38:49,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947174507] [2021-11-03 05:38:49,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:38:49,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:49,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:38:49,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:38:49,777 INFO L87 Difference]: Start difference. First operand 7909 states and 9926 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:50,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:50,520 INFO L93 Difference]: Finished difference Result 7909 states and 9926 transitions. [2021-11-03 05:38:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:50,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-11-03 05:38:50,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:50,528 INFO L225 Difference]: With dead ends: 7909 [2021-11-03 05:38:50,528 INFO L226 Difference]: Without dead ends: 7905 [2021-11-03 05:38:50,531 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:38:50,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7905 states. [2021-11-03 05:38:51,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7905 to 7905. [2021-11-03 05:38:51,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7905 states, 7826 states have (on average 1.2678251980577562) internal successors, (9922), 7904 states have internal predecessors, (9922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:51,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7905 states to 7905 states and 9922 transitions. [2021-11-03 05:38:51,201 INFO L78 Accepts]: Start accepts. Automaton has 7905 states and 9922 transitions. Word has length 58 [2021-11-03 05:38:51,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:51,202 INFO L470 AbstractCegarLoop]: Abstraction has 7905 states and 9922 transitions. [2021-11-03 05:38:51,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:51,202 INFO L276 IsEmpty]: Start isEmpty. Operand 7905 states and 9922 transitions. [2021-11-03 05:38:51,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-03 05:38:51,202 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:51,203 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:51,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:51,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:51,403 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr89ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:51,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:51,403 INFO L85 PathProgramCache]: Analyzing trace with hash -939213400, now seen corresponding path program 1 times [2021-11-03 05:38:51,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:51,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67126588] [2021-11-03 05:38:51,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:51,405 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:51,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:51,406 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:51,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-03 05:38:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:52,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:38:52,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:53,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:53,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:53,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:53,419 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:53,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67126588] [2021-11-03 05:38:53,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67126588] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:53,419 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:53,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:38:53,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939178077] [2021-11-03 05:38:53,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:38:53,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:53,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:38:53,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:38:53,421 INFO L87 Difference]: Start difference. First operand 7905 states and 9922 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:54,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:54,005 INFO L93 Difference]: Finished difference Result 7905 states and 9922 transitions. [2021-11-03 05:38:54,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:54,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-03 05:38:54,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:54,014 INFO L225 Difference]: With dead ends: 7905 [2021-11-03 05:38:54,014 INFO L226 Difference]: Without dead ends: 7901 [2021-11-03 05:38:54,067 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:38:54,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7901 states. [2021-11-03 05:38:54,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7901 to 7901. [2021-11-03 05:38:54,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7901 states, 7824 states have (on average 1.267638036809816) internal successors, (9918), 7900 states have internal predecessors, (9918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:54,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7901 states to 7901 states and 9918 transitions. [2021-11-03 05:38:54,628 INFO L78 Accepts]: Start accepts. Automaton has 7901 states and 9918 transitions. Word has length 60 [2021-11-03 05:38:54,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:54,628 INFO L470 AbstractCegarLoop]: Abstraction has 7901 states and 9918 transitions. [2021-11-03 05:38:54,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:54,628 INFO L276 IsEmpty]: Start isEmpty. Operand 7901 states and 9918 transitions. [2021-11-03 05:38:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-03 05:38:54,629 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:54,629 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:54,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:54,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:54,829 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr90ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:54,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:54,830 INFO L85 PathProgramCache]: Analyzing trace with hash -640255284, now seen corresponding path program 1 times [2021-11-03 05:38:54,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:54,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879147363] [2021-11-03 05:38:54,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:54,831 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:54,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:54,832 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:54,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-03 05:38:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:56,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:38:56,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:38:56,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:56,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:38:56,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:38:56,892 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:38:56,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879147363] [2021-11-03 05:38:56,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1879147363] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:38:56,893 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:38:56,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:38:56,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669024025] [2021-11-03 05:38:56,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:38:56,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:38:56,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:38:56,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:38:56,895 INFO L87 Difference]: Start difference. First operand 7901 states and 9918 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:57,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:38:57,550 INFO L93 Difference]: Finished difference Result 7901 states and 9918 transitions. [2021-11-03 05:38:57,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:38:57,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-11-03 05:38:57,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:38:57,558 INFO L225 Difference]: With dead ends: 7901 [2021-11-03 05:38:57,558 INFO L226 Difference]: Without dead ends: 7897 [2021-11-03 05:38:57,560 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:38:57,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7897 states. [2021-11-03 05:38:58,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7897 to 7897. [2021-11-03 05:38:58,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7897 states, 7822 states have (on average 1.2674507798517003) internal successors, (9914), 7896 states have internal predecessors, (9914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:58,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7897 states to 7897 states and 9914 transitions. [2021-11-03 05:38:58,215 INFO L78 Accepts]: Start accepts. Automaton has 7897 states and 9914 transitions. Word has length 62 [2021-11-03 05:38:58,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:38:58,215 INFO L470 AbstractCegarLoop]: Abstraction has 7897 states and 9914 transitions. [2021-11-03 05:38:58,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:38:58,215 INFO L276 IsEmpty]: Start isEmpty. Operand 7897 states and 9914 transitions. [2021-11-03 05:38:58,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-03 05:38:58,216 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:38:58,216 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:38:58,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-03 05:38:58,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:38:58,417 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr91ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:38:58,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:38:58,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1104314288, now seen corresponding path program 1 times [2021-11-03 05:38:58,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:38:58,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82041268] [2021-11-03 05:38:58,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:38:58,419 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:38:58,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:38:58,420 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:38:58,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-03 05:38:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:38:59,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:38:59,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:39:00,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:00,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:39:00,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:00,547 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:39:00,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [82041268] [2021-11-03 05:39:00,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [82041268] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:00,547 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:00,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:39:00,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720125038] [2021-11-03 05:39:00,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:39:00,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:39:00,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:39:00,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:39:00,548 INFO L87 Difference]: Start difference. First operand 7897 states and 9914 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:01,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:01,183 INFO L93 Difference]: Finished difference Result 7897 states and 9914 transitions. [2021-11-03 05:39:01,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:01,185 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-03 05:39:01,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:01,194 INFO L225 Difference]: With dead ends: 7897 [2021-11-03 05:39:01,194 INFO L226 Difference]: Without dead ends: 7893 [2021-11-03 05:39:01,196 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:39:01,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7893 states. [2021-11-03 05:39:01,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7893 to 7893. [2021-11-03 05:39:01,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7893 states, 7820 states have (on average 1.2672634271099745) internal successors, (9910), 7892 states have internal predecessors, (9910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:01,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7893 states to 7893 states and 9910 transitions. [2021-11-03 05:39:01,865 INFO L78 Accepts]: Start accepts. Automaton has 7893 states and 9910 transitions. Word has length 64 [2021-11-03 05:39:01,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:01,866 INFO L470 AbstractCegarLoop]: Abstraction has 7893 states and 9910 transitions. [2021-11-03 05:39:01,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:01,866 INFO L276 IsEmpty]: Start isEmpty. Operand 7893 states and 9910 transitions. [2021-11-03 05:39:01,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-03 05:39:01,866 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:01,866 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:39:01,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-03 05:39:02,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:39:02,067 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:39:02,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:02,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1286620849, now seen corresponding path program 1 times [2021-11-03 05:39:02,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:39:02,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174979496] [2021-11-03 05:39:02,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:02,069 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:39:02,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:39:02,069 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:39:02,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-03 05:39:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:03,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-03 05:39:03,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:39:04,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:04,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:39:04,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:04,433 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:39:04,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174979496] [2021-11-03 05:39:04,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [174979496] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:04,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:04,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 11 [2021-11-03 05:39:04,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47830985] [2021-11-03 05:39:04,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-03 05:39:04,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:39:04,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-03 05:39:04,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-03 05:39:04,435 INFO L87 Difference]: Start difference. First operand 7893 states and 9910 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:08,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:08,841 INFO L93 Difference]: Finished difference Result 24964 states and 31432 transitions. [2021-11-03 05:39:08,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-03 05:39:08,841 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-11-03 05:39:08,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:08,859 INFO L225 Difference]: With dead ends: 24964 [2021-11-03 05:39:08,860 INFO L226 Difference]: Without dead ends: 17101 [2021-11-03 05:39:08,873 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2021-11-03 05:39:08,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17101 states. [2021-11-03 05:39:09,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17101 to 7908. [2021-11-03 05:39:09,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7908 states, 7835 states have (on average 1.2667517549457563) internal successors, (9925), 7907 states have internal predecessors, (9925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:09,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7908 states to 7908 states and 9925 transitions. [2021-11-03 05:39:09,724 INFO L78 Accepts]: Start accepts. Automaton has 7908 states and 9925 transitions. Word has length 66 [2021-11-03 05:39:09,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:09,724 INFO L470 AbstractCegarLoop]: Abstraction has 7908 states and 9925 transitions. [2021-11-03 05:39:09,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:09,725 INFO L276 IsEmpty]: Start isEmpty. Operand 7908 states and 9925 transitions. [2021-11-03 05:39:09,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-03 05:39:09,726 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:09,726 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:39:09,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-03 05:39:09,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:39:09,927 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr92ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:39:09,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:09,928 INFO L85 PathProgramCache]: Analyzing trace with hash -388417996, now seen corresponding path program 1 times [2021-11-03 05:39:09,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:39:09,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [732783401] [2021-11-03 05:39:09,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:09,929 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:39:09,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:39:09,929 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:39:09,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-03 05:39:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:11,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:39:11,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:39:11,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:11,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:39:12,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:12,355 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:39:12,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [732783401] [2021-11-03 05:39:12,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [732783401] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:12,356 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:12,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:39:12,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876865318] [2021-11-03 05:39:12,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:39:12,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:39:12,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:39:12,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:39:12,357 INFO L87 Difference]: Start difference. First operand 7908 states and 9925 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:13,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:13,188 INFO L93 Difference]: Finished difference Result 7908 states and 9925 transitions. [2021-11-03 05:39:13,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:13,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-11-03 05:39:13,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:13,197 INFO L225 Difference]: With dead ends: 7908 [2021-11-03 05:39:13,197 INFO L226 Difference]: Without dead ends: 7798 [2021-11-03 05:39:13,199 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:39:13,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7798 states. [2021-11-03 05:39:14,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7798 to 7798. [2021-11-03 05:39:14,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7798 states, 7727 states have (on average 1.2700918855959622) internal successors, (9814), 7797 states have internal predecessors, (9814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:14,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7798 states to 7798 states and 9814 transitions. [2021-11-03 05:39:14,069 INFO L78 Accepts]: Start accepts. Automaton has 7798 states and 9814 transitions. Word has length 66 [2021-11-03 05:39:14,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:14,069 INFO L470 AbstractCegarLoop]: Abstraction has 7798 states and 9814 transitions. [2021-11-03 05:39:14,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:14,069 INFO L276 IsEmpty]: Start isEmpty. Operand 7798 states and 9814 transitions. [2021-11-03 05:39:14,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-03 05:39:14,070 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:14,070 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:39:14,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-03 05:39:14,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:39:14,270 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:39:14,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:14,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1886256463, now seen corresponding path program 1 times [2021-11-03 05:39:14,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:39:14,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216977445] [2021-11-03 05:39:14,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:14,272 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:39:14,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:39:14,273 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:39:14,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-03 05:39:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:16,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-03 05:39:16,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:39:16,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:16,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:39:17,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:17,265 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:39:17,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216977445] [2021-11-03 05:39:17,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216977445] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:17,265 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:17,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 21 [2021-11-03 05:39:17,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128214725] [2021-11-03 05:39:17,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-03 05:39:17,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:39:17,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-03 05:39:17,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2021-11-03 05:39:17,267 INFO L87 Difference]: Start difference. First operand 7798 states and 9814 transitions. Second operand has 21 states, 21 states have (on average 4.142857142857143) internal successors, (87), 21 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:25,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:25,357 INFO L93 Difference]: Finished difference Result 29141 states and 36830 transitions. [2021-11-03 05:39:25,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-03 05:39:25,357 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.142857142857143) internal successors, (87), 21 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-11-03 05:39:25,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:25,378 INFO L225 Difference]: With dead ends: 29141 [2021-11-03 05:39:25,379 INFO L226 Difference]: Without dead ends: 21370 [2021-11-03 05:39:25,388 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=816, Invalid=2606, Unknown=0, NotChecked=0, Total=3422 [2021-11-03 05:39:25,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21370 states. [2021-11-03 05:39:26,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21370 to 7802. [2021-11-03 05:39:26,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7802 states, 7731 states have (on average 1.2702108394774285) internal successors, (9820), 7801 states have internal predecessors, (9820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:26,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7802 states to 7802 states and 9820 transitions. [2021-11-03 05:39:26,572 INFO L78 Accepts]: Start accepts. Automaton has 7802 states and 9820 transitions. Word has length 69 [2021-11-03 05:39:26,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:26,572 INFO L470 AbstractCegarLoop]: Abstraction has 7802 states and 9820 transitions. [2021-11-03 05:39:26,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.142857142857143) internal successors, (87), 21 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:26,572 INFO L276 IsEmpty]: Start isEmpty. Operand 7802 states and 9820 transitions. [2021-11-03 05:39:26,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-03 05:39:26,573 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:26,573 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:39:26,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-03 05:39:26,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:39:26,776 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:39:26,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:26,776 INFO L85 PathProgramCache]: Analyzing trace with hash 143588470, now seen corresponding path program 1 times [2021-11-03 05:39:26,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:39:26,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102560307] [2021-11-03 05:39:26,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:26,779 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:39:26,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:39:26,780 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:39:26,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-03 05:39:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:28,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 1271 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 05:39:28,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:39:29,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:29,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:39:29,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:29,614 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:39:29,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102560307] [2021-11-03 05:39:29,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2102560307] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:29,615 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:29,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 05:39:29,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677122832] [2021-11-03 05:39:29,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 05:39:29,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:39:29,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 05:39:29,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 05:39:29,616 INFO L87 Difference]: Start difference. First operand 7802 states and 9820 transitions. Second operand has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:33,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:33,566 INFO L93 Difference]: Finished difference Result 15672 states and 19716 transitions. [2021-11-03 05:39:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 05:39:33,567 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2021-11-03 05:39:33,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:33,574 INFO L225 Difference]: With dead ends: 15672 [2021-11-03 05:39:33,574 INFO L226 Difference]: Without dead ends: 7899 [2021-11-03 05:39:33,580 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:39:33,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7899 states. [2021-11-03 05:39:34,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7899 to 7805. [2021-11-03 05:39:34,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7805 states, 7734 states have (on average 1.2701060253426428) internal successors, (9823), 7804 states have internal predecessors, (9823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:34,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7805 states to 7805 states and 9823 transitions. [2021-11-03 05:39:34,590 INFO L78 Accepts]: Start accepts. Automaton has 7805 states and 9823 transitions. Word has length 97 [2021-11-03 05:39:34,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:34,591 INFO L470 AbstractCegarLoop]: Abstraction has 7805 states and 9823 transitions. [2021-11-03 05:39:34,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:34,591 INFO L276 IsEmpty]: Start isEmpty. Operand 7805 states and 9823 transitions. [2021-11-03 05:39:34,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-03 05:39:34,592 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:34,592 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:39:34,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-03 05:39:34,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:39:34,792 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:39:34,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:34,793 INFO L85 PathProgramCache]: Analyzing trace with hash -820759382, now seen corresponding path program 1 times [2021-11-03 05:39:34,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:39:34,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816184924] [2021-11-03 05:39:34,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:34,794 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:39:34,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:39:34,795 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:39:34,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-03 05:39:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:37,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 05:39:37,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:39:37,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:37,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:39:37,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:37,827 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:39:37,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [816184924] [2021-11-03 05:39:37,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [816184924] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:37,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:37,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 05:39:37,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104004483] [2021-11-03 05:39:37,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 05:39:37,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:39:37,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 05:39:37,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 05:39:37,829 INFO L87 Difference]: Start difference. First operand 7805 states and 9823 transitions. Second operand has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:40,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:40,963 INFO L93 Difference]: Finished difference Result 22363 states and 28093 transitions. [2021-11-03 05:39:40,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 05:39:40,964 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-03 05:39:40,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:40,980 INFO L225 Difference]: With dead ends: 22363 [2021-11-03 05:39:40,980 INFO L226 Difference]: Without dead ends: 14587 [2021-11-03 05:39:40,989 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:39:41,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14587 states. [2021-11-03 05:39:42,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14587 to 7808. [2021-11-03 05:39:42,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7808 states, 7737 states have (on average 1.2700012924906294) internal successors, (9826), 7807 states have internal predecessors, (9826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:42,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7808 states to 7808 states and 9826 transitions. [2021-11-03 05:39:42,224 INFO L78 Accepts]: Start accepts. Automaton has 7808 states and 9826 transitions. Word has length 103 [2021-11-03 05:39:42,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:42,224 INFO L470 AbstractCegarLoop]: Abstraction has 7808 states and 9826 transitions. [2021-11-03 05:39:42,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:42,225 INFO L276 IsEmpty]: Start isEmpty. Operand 7808 states and 9826 transitions. [2021-11-03 05:39:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-03 05:39:42,225 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:42,225 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:39:42,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-03 05:39:42,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:39:42,426 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:39:42,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:42,426 INFO L85 PathProgramCache]: Analyzing trace with hash 867465232, now seen corresponding path program 1 times [2021-11-03 05:39:42,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:39:42,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [80019697] [2021-11-03 05:39:42,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:42,428 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:39:42,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:39:42,429 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:39:42,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-03 05:39:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:44,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 1319 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:39:44,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:39:45,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:45,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:39:45,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:45,258 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:39:45,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [80019697] [2021-11-03 05:39:45,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [80019697] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:45,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:39:45,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:39:45,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73834909] [2021-11-03 05:39:45,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:45,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:39:45,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:45,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:45,259 INFO L87 Difference]: Start difference. First operand 7808 states and 9826 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:46,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:39:46,871 INFO L93 Difference]: Finished difference Result 15591 states and 19628 transitions. [2021-11-03 05:39:46,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:39:46,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2021-11-03 05:39:46,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:39:46,885 INFO L225 Difference]: With dead ends: 15591 [2021-11-03 05:39:46,885 INFO L226 Difference]: Without dead ends: 7812 [2021-11-03 05:39:46,895 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:39:46,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7812 states. [2021-11-03 05:39:48,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7812 to 7812. [2021-11-03 05:39:48,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7812 states, 7741 states have (on average 1.269861774964475) internal successors, (9830), 7811 states have internal predecessors, (9830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:48,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7812 states to 7812 states and 9830 transitions. [2021-11-03 05:39:48,100 INFO L78 Accepts]: Start accepts. Automaton has 7812 states and 9830 transitions. Word has length 108 [2021-11-03 05:39:48,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:39:48,101 INFO L470 AbstractCegarLoop]: Abstraction has 7812 states and 9830 transitions. [2021-11-03 05:39:48,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:39:48,101 INFO L276 IsEmpty]: Start isEmpty. Operand 7812 states and 9830 transitions. [2021-11-03 05:39:48,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-03 05:39:48,102 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:39:48,102 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:39:48,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-03 05:39:48,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:39:48,305 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:39:48,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:39:48,305 INFO L85 PathProgramCache]: Analyzing trace with hash 404096048, now seen corresponding path program 1 times [2021-11-03 05:39:48,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:39:48,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560043244] [2021-11-03 05:39:48,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:48,307 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:39:48,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:39:48,307 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:39:48,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-03 05:39:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:50,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:39:50,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:39:51,222 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:51,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:39:51,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:51,584 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:39:51,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [560043244] [2021-11-03 05:39:51,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [560043244] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:39:51,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1075508363] [2021-11-03 05:39:51,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:51,584 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:39:51,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:39:51,585 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:39:51,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2021-11-03 05:39:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:55,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:39:55,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:39:55,337 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:55,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:39:55,591 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:39:55,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1075508363] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:39:55,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252725295] [2021-11-03 05:39:55,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:39:55,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:39:55,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:39:55,592 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:39:55,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-11-03 05:39:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:39:57,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:39:57,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:39:57,795 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:39:57,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:39:58,031 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:39:58,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252725295] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:39:58,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-03 05:39:58,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5, 5, 5] total 10 [2021-11-03 05:39:58,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457857824] [2021-11-03 05:39:58,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:39:58,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:39:58,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:39:58,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:39:58,032 INFO L87 Difference]: Start difference. First operand 7812 states and 9830 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:40:03,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:40:03,130 INFO L93 Difference]: Finished difference Result 31133 states and 39194 transitions. [2021-11-03 05:40:03,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:40:03,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-11-03 05:40:03,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:40:03,163 INFO L225 Difference]: With dead ends: 31133 [2021-11-03 05:40:03,164 INFO L226 Difference]: Without dead ends: 23350 [2021-11-03 05:40:03,172 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 678 GetRequests, 670 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:40:03,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23350 states. [2021-11-03 05:40:04,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23350 to 7840. [2021-11-03 05:40:04,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7840 states, 7769 states have (on average 1.2699189084824303) internal successors, (9866), 7839 states have internal predecessors, (9866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:40:04,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7840 states to 7840 states and 9866 transitions. [2021-11-03 05:40:04,461 INFO L78 Accepts]: Start accepts. Automaton has 7840 states and 9866 transitions. Word has length 114 [2021-11-03 05:40:04,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:40:04,461 INFO L470 AbstractCegarLoop]: Abstraction has 7840 states and 9866 transitions. [2021-11-03 05:40:04,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:40:04,462 INFO L276 IsEmpty]: Start isEmpty. Operand 7840 states and 9866 transitions. [2021-11-03 05:40:04,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-03 05:40:04,463 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:40:04,463 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:40:04,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-03 05:40:04,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2021-11-03 05:40:04,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2021-11-03 05:40:05,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 05:40:05,064 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:40:05,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:40:05,064 INFO L85 PathProgramCache]: Analyzing trace with hash 486441531, now seen corresponding path program 1 times [2021-11-03 05:40:05,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:40:05,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364597164] [2021-11-03 05:40:05,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:40:05,066 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:40:05,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:40:05,067 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:40:05,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-03 05:40:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:40:07,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 1437 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:40:07,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:40:08,181 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:40:08,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:40:08,563 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:40:08,563 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:40:08,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364597164] [2021-11-03 05:40:08,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1364597164] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:40:08,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1601110682] [2021-11-03 05:40:08,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:40:08,564 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:40:08,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:40:08,565 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:40:08,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2021-11-03 05:40:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:40:12,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 1437 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:40:12,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:40:12,745 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:40:12,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:40:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:40:13,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1601110682] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:40:13,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503373637] [2021-11-03 05:40:13,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:40:13,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:40:13,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:40:13,060 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:40:13,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2021-11-03 05:40:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:40:15,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 1437 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-03 05:40:15,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:40:15,808 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:40:15,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:40:16,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:40:16,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503373637] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:40:16,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-03 05:40:16,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [5, 5, 5, 5] total 14 [2021-11-03 05:40:16,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197316887] [2021-11-03 05:40:16,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 05:40:16,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:40:16,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 05:40:16,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-03 05:40:16,083 INFO L87 Difference]: Start difference. First operand 7840 states and 9866 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:40:24,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:40:24,033 INFO L93 Difference]: Finished difference Result 37019 states and 46767 transitions. [2021-11-03 05:40:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-03 05:40:24,033 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-11-03 05:40:24,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:40:24,074 INFO L225 Difference]: With dead ends: 37019 [2021-11-03 05:40:24,075 INFO L226 Difference]: Without dead ends: 37017 [2021-11-03 05:40:24,081 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 816 GetRequests, 785 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=223, Invalid=833, Unknown=0, NotChecked=0, Total=1056 [2021-11-03 05:40:24,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37017 states. [2021-11-03 05:40:25,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37017 to 7840. [2021-11-03 05:40:25,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7840 states, 7769 states have (on average 1.2697901917878749) internal successors, (9865), 7839 states have internal predecessors, (9865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:40:25,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7840 states to 7840 states and 9865 transitions. [2021-11-03 05:40:25,735 INFO L78 Accepts]: Start accepts. Automaton has 7840 states and 9865 transitions. Word has length 133 [2021-11-03 05:40:25,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:40:25,735 INFO L470 AbstractCegarLoop]: Abstraction has 7840 states and 9865 transitions. [2021-11-03 05:40:25,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 8 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:40:25,736 INFO L276 IsEmpty]: Start isEmpty. Operand 7840 states and 9865 transitions. [2021-11-03 05:40:25,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-03 05:40:25,737 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:40:25,737 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:40:25,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-03 05:40:25,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2021-11-03 05:40:26,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2021-11-03 05:40:26,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:40:26,338 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:40:26,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:40:26,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1444403670, now seen corresponding path program 1 times [2021-11-03 05:40:26,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:40:26,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624228714] [2021-11-03 05:40:26,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:40:26,341 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:40:26,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:40:26,341 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:40:26,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-03 05:40:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:40:29,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 1438 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:40:29,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:40:29,642 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:40:29,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:40:30,035 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:40:30,036 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:40:30,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1624228714] [2021-11-03 05:40:30,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1624228714] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:40:30,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1162937883] [2021-11-03 05:40:30,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:40:30,036 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:40:30,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:40:30,037 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:40:30,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2021-11-03 05:40:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:40:34,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 1438 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:40:34,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:40:34,393 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:40:34,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:40:34,745 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:40:34,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1162937883] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:40:34,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910612924] [2021-11-03 05:40:34,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:40:34,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:40:34,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:40:34,753 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:40:34,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2021-11-03 05:40:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:40:37,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 1438 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 05:40:37,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:40:37,715 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:40:37,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:40:38,218 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:40:38,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910612924] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:40:38,218 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-03 05:40:38,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [5, 5, 5, 5] total 18 [2021-11-03 05:40:38,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007709217] [2021-11-03 05:40:38,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-03 05:40:38,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:40:38,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-03 05:40:38,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-11-03 05:40:38,220 INFO L87 Difference]: Start difference. First operand 7840 states and 9865 transitions. Second operand has 12 states, 12 states have (on average 11.666666666666666) internal successors, (140), 12 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:40:41,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:40:41,354 INFO L93 Difference]: Finished difference Result 19386 states and 24267 transitions. [2021-11-03 05:40:41,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-03 05:40:41,355 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.666666666666666) internal successors, (140), 12 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-11-03 05:40:41,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:40:41,366 INFO L225 Difference]: With dead ends: 19386 [2021-11-03 05:40:41,366 INFO L226 Difference]: Without dead ends: 11575 [2021-11-03 05:40:41,372 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 788 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=129, Invalid=521, Unknown=0, NotChecked=0, Total=650 [2021-11-03 05:40:41,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11575 states. [2021-11-03 05:40:42,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11575 to 7844. [2021-11-03 05:40:42,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7844 states, 7773 states have (on average 1.2696513572623183) internal successors, (9869), 7843 states have internal predecessors, (9869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:40:42,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7844 states to 7844 states and 9869 transitions. [2021-11-03 05:40:42,882 INFO L78 Accepts]: Start accepts. Automaton has 7844 states and 9869 transitions. Word has length 134 [2021-11-03 05:40:42,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:40:42,883 INFO L470 AbstractCegarLoop]: Abstraction has 7844 states and 9869 transitions. [2021-11-03 05:40:42,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.666666666666666) internal successors, (140), 12 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:40:42,883 INFO L276 IsEmpty]: Start isEmpty. Operand 7844 states and 9869 transitions. [2021-11-03 05:40:42,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-03 05:40:42,884 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:40:42,885 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:40:42,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2021-11-03 05:40:43,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2021-11-03 05:40:43,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (36)] Ended with exit code 0 [2021-11-03 05:40:43,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:40:43,504 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:40:43,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:40:43,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1596751485, now seen corresponding path program 1 times [2021-11-03 05:40:43,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:40:43,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1192766655] [2021-11-03 05:40:43,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:40:43,507 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:40:43,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:40:43,508 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:40:43,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-03 05:40:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:40:46,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 1534 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:40:46,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:40:47,073 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:40:47,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:40:47,501 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:40:47,501 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:40:47,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1192766655] [2021-11-03 05:40:47,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1192766655] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:40:47,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1600706603] [2021-11-03 05:40:47,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:40:47,502 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:40:47,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:40:47,510 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:40:47,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2021-11-03 05:40:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:40:50,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 1534 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:40:50,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:40:51,100 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:40:51,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:40:51,886 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:40:51,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1600706603] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:40:51,887 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:40:51,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 11 [2021-11-03 05:40:51,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640025419] [2021-11-03 05:40:51,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:40:51,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:40:51,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:40:51,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-03 05:40:51,888 INFO L87 Difference]: Start difference. First operand 7844 states and 9869 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:40:54,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:40:54,323 INFO L93 Difference]: Finished difference Result 8691 states and 10905 transitions. [2021-11-03 05:40:54,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 05:40:54,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138 [2021-11-03 05:40:54,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:40:54,332 INFO L225 Difference]: With dead ends: 8691 [2021-11-03 05:40:54,332 INFO L226 Difference]: Without dead ends: 8637 [2021-11-03 05:40:54,334 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 539 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-11-03 05:40:54,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8637 states. [2021-11-03 05:40:55,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8637 to 7790. [2021-11-03 05:40:55,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7790 states, 7746 states have (on average 1.265427317325071) internal successors, (9802), 7789 states have internal predecessors, (9802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:40:55,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7790 states to 7790 states and 9802 transitions. [2021-11-03 05:40:55,848 INFO L78 Accepts]: Start accepts. Automaton has 7790 states and 9802 transitions. Word has length 138 [2021-11-03 05:40:55,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:40:55,849 INFO L470 AbstractCegarLoop]: Abstraction has 7790 states and 9802 transitions. [2021-11-03 05:40:55,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:40:55,849 INFO L276 IsEmpty]: Start isEmpty. Operand 7790 states and 9802 transitions. [2021-11-03 05:40:55,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-03 05:40:55,851 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:40:55,851 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:40:55,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2021-11-03 05:40:56,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2021-11-03 05:40:56,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 05:40:56,265 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:40:56,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:40:56,265 INFO L85 PathProgramCache]: Analyzing trace with hash 813722136, now seen corresponding path program 1 times [2021-11-03 05:40:56,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:40:56,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371652757] [2021-11-03 05:40:56,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:40:56,267 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:40:56,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:40:56,267 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:40:56,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2021-11-03 05:40:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:40:59,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 1476 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:40:59,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:40:59,852 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:40:59,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:41:00,254 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:41:00,254 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:41:00,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [371652757] [2021-11-03 05:41:00,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [371652757] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:41:00,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1210645403] [2021-11-03 05:41:00,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:41:00,255 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:41:00,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:41:00,256 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:41:00,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2021-11-03 05:41:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:41:03,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 1476 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 05:41:03,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:41:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:41:03,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:41:04,295 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:41:04,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1210645403] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:41:04,295 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:41:04,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [5, 5] total 20 [2021-11-03 05:41:04,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61363126] [2021-11-03 05:41:04,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-03 05:41:04,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:41:04,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-03 05:41:04,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-11-03 05:41:04,297 INFO L87 Difference]: Start difference. First operand 7790 states and 9802 transitions. Second operand has 14 states, 14 states have (on average 10.642857142857142) internal successors, (149), 14 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:41:13,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:41:13,878 INFO L93 Difference]: Finished difference Result 44869 states and 55920 transitions. [2021-11-03 05:41:13,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-03 05:41:13,878 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.642857142857142) internal successors, (149), 14 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2021-11-03 05:41:13,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:41:13,922 INFO L225 Difference]: With dead ends: 44869 [2021-11-03 05:41:13,922 INFO L226 Difference]: Without dead ends: 37108 [2021-11-03 05:41:13,933 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 619 GetRequests, 573 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=408, Invalid=1848, Unknown=0, NotChecked=0, Total=2256 [2021-11-03 05:41:13,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37108 states. [2021-11-03 05:41:16,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37108 to 10642. [2021-11-03 05:41:16,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10642 states, 10598 states have (on average 1.2662766559728251) internal successors, (13420), 10641 states have internal predecessors, (13420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:41:16,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10642 states to 10642 states and 13420 transitions. [2021-11-03 05:41:16,501 INFO L78 Accepts]: Start accepts. Automaton has 10642 states and 13420 transitions. Word has length 142 [2021-11-03 05:41:16,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:41:16,502 INFO L470 AbstractCegarLoop]: Abstraction has 10642 states and 13420 transitions. [2021-11-03 05:41:16,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.642857142857142) internal successors, (149), 14 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:41:16,502 INFO L276 IsEmpty]: Start isEmpty. Operand 10642 states and 13420 transitions. [2021-11-03 05:41:16,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-03 05:41:16,506 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:41:16,506 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:41:16,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2021-11-03 05:41:16,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2021-11-03 05:41:16,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 05:41:16,908 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:41:16,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:41:16,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1898283841, now seen corresponding path program 1 times [2021-11-03 05:41:16,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:41:16,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419649704] [2021-11-03 05:41:16,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:41:16,910 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:41:16,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:41:16,914 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:41:16,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2021-11-03 05:41:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:41:20,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 1538 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:41:20,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:41:20,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:41:20,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:41:21,168 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:41:21,168 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:41:21,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419649704] [2021-11-03 05:41:21,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [419649704] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:41:21,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [764876364] [2021-11-03 05:41:21,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:41:21,169 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:41:21,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:41:21,169 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:41:21,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2021-11-03 05:41:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:41:24,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 1538 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:41:24,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:41:24,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:41:24,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:41:24,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:41:24,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [764876364] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:41:24,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:41:24,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 11 [2021-11-03 05:41:24,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413541513] [2021-11-03 05:41:24,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:41:24,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:41:24,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:41:24,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-03 05:41:24,950 INFO L87 Difference]: Start difference. First operand 10642 states and 13420 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:41:31,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:41:31,986 INFO L93 Difference]: Finished difference Result 17317 states and 21953 transitions. [2021-11-03 05:41:31,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 05:41:31,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2021-11-03 05:41:31,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:41:32,003 INFO L225 Difference]: With dead ends: 17317 [2021-11-03 05:41:32,004 INFO L226 Difference]: Without dead ends: 17259 [2021-11-03 05:41:32,007 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 597 GetRequests, 587 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-11-03 05:41:32,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17259 states. [2021-11-03 05:41:34,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17259 to 10584. [2021-11-03 05:41:34,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10584 states, 10569 states have (on average 1.260857223956855) internal successors, (13326), 10583 states have internal predecessors, (13326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:41:34,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10584 states to 10584 states and 13326 transitions. [2021-11-03 05:41:34,616 INFO L78 Accepts]: Start accepts. Automaton has 10584 states and 13326 transitions. Word has length 150 [2021-11-03 05:41:34,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:41:34,617 INFO L470 AbstractCegarLoop]: Abstraction has 10584 states and 13326 transitions. [2021-11-03 05:41:34,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:41:34,617 INFO L276 IsEmpty]: Start isEmpty. Operand 10584 states and 13326 transitions. [2021-11-03 05:41:34,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-03 05:41:34,622 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:41:34,622 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:41:34,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2021-11-03 05:41:34,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2021-11-03 05:41:35,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 05:41:35,037 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:41:35,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:41:35,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1321965771, now seen corresponding path program 1 times [2021-11-03 05:41:35,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:41:35,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [66652760] [2021-11-03 05:41:35,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:41:35,039 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:41:35,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:41:35,040 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:41:35,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2021-11-03 05:41:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:41:38,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 1634 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:41:38,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:41:39,160 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:41:39,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:41:39,655 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:41:39,656 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:41:39,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [66652760] [2021-11-03 05:41:39,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [66652760] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:41:39,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1624626749] [2021-11-03 05:41:39,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:41:39,656 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:41:39,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:41:39,657 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:41:39,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2021-11-03 05:41:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:41:43,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 1634 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:41:43,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:41:43,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:41:43,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:41:44,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:41:44,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1624626749] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:41:44,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:41:44,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 11 [2021-11-03 05:41:44,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482928379] [2021-11-03 05:41:44,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:41:44,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:41:44,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:41:44,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-03 05:41:44,884 INFO L87 Difference]: Start difference. First operand 10584 states and 13326 transitions. Second operand has 5 states, 5 states have (on average 33.2) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:41:50,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:41:50,242 INFO L93 Difference]: Finished difference Result 31050 states and 39120 transitions. [2021-11-03 05:41:50,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 05:41:50,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.2) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 169 [2021-11-03 05:41:50,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:41:50,264 INFO L225 Difference]: With dead ends: 31050 [2021-11-03 05:41:50,264 INFO L226 Difference]: Without dead ends: 20495 [2021-11-03 05:41:50,274 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 675 GetRequests, 663 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-11-03 05:41:50,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20495 states. [2021-11-03 05:41:53,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20495 to 10584. [2021-11-03 05:41:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10584 states, 10569 states have (on average 1.2595325953259533) internal successors, (13312), 10583 states have internal predecessors, (13312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:41:53,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10584 states to 10584 states and 13312 transitions. [2021-11-03 05:41:53,098 INFO L78 Accepts]: Start accepts. Automaton has 10584 states and 13312 transitions. Word has length 169 [2021-11-03 05:41:53,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:41:53,099 INFO L470 AbstractCegarLoop]: Abstraction has 10584 states and 13312 transitions. [2021-11-03 05:41:53,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.2) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:41:53,099 INFO L276 IsEmpty]: Start isEmpty. Operand 10584 states and 13312 transitions. [2021-11-03 05:41:53,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-03 05:41:53,103 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:41:53,104 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:41:53,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2021-11-03 05:41:53,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2021-11-03 05:41:53,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 05:41:53,525 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:41:53,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:41:53,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1322025353, now seen corresponding path program 1 times [2021-11-03 05:41:53,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:41:53,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [758108190] [2021-11-03 05:41:53,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:41:53,527 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:41:53,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:41:53,528 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:41:53,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2021-11-03 05:41:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:41:57,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 1634 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:41:57,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:41:57,841 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:41:57,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:41:58,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:41:58,334 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:41:58,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [758108190] [2021-11-03 05:41:58,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [758108190] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:41:58,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1635483964] [2021-11-03 05:41:58,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:41:58,335 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:41:58,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:41:58,336 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:41:58,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2021-11-03 05:42:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:42:03,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 1634 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:42:03,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:42:03,931 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:42:03,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:42:04,363 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:42:04,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1635483964] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:42:04,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875564769] [2021-11-03 05:42:04,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:42:04,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:42:04,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:42:04,365 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:42:04,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2021-11-03 05:42:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:42:07,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 1634 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-03 05:42:07,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:42:08,693 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:42:08,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:42:08,988 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:42:08,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875564769] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:42:08,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-03 05:42:08,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 4] imperfect sequences [5, 5, 5, 5] total 13 [2021-11-03 05:42:08,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758372159] [2021-11-03 05:42:08,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 05:42:08,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:42:08,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 05:42:08,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-03 05:42:08,990 INFO L87 Difference]: Start difference. First operand 10584 states and 13312 transitions. Second operand has 7 states, 7 states have (on average 44.285714285714285) internal successors, (310), 7 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:42:17,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:42:17,057 INFO L93 Difference]: Finished difference Result 21371 states and 26871 transitions. [2021-11-03 05:42:17,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 05:42:17,058 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 44.285714285714285) internal successors, (310), 7 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 169 [2021-11-03 05:42:17,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:42:17,079 INFO L225 Difference]: With dead ends: 21371 [2021-11-03 05:42:17,079 INFO L226 Difference]: Without dead ends: 21357 [2021-11-03 05:42:17,083 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1015 GetRequests, 1000 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2021-11-03 05:42:17,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21357 states. [2021-11-03 05:42:20,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21357 to 10570. [2021-11-03 05:42:20,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10570 states, 10562 states have (on average 1.2583790948683962) internal successors, (13291), 10569 states have internal predecessors, (13291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:42:20,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10570 states to 10570 states and 13291 transitions. [2021-11-03 05:42:20,031 INFO L78 Accepts]: Start accepts. Automaton has 10570 states and 13291 transitions. Word has length 169 [2021-11-03 05:42:20,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:42:20,031 INFO L470 AbstractCegarLoop]: Abstraction has 10570 states and 13291 transitions. [2021-11-03 05:42:20,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 44.285714285714285) internal successors, (310), 7 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:42:20,031 INFO L276 IsEmpty]: Start isEmpty. Operand 10570 states and 13291 transitions. [2021-11-03 05:42:20,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-03 05:42:20,035 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:42:20,036 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:42:20,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2021-11-03 05:42:20,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (47)] Forceful destruction successful, exit code 0 [2021-11-03 05:42:20,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2021-11-03 05:42:20,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 05:42:20,649 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:42:20,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:42:20,649 INFO L85 PathProgramCache]: Analyzing trace with hash -385530207, now seen corresponding path program 1 times [2021-11-03 05:42:20,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:42:20,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565585229] [2021-11-03 05:42:20,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:42:20,651 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:42:20,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:42:20,652 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:42:20,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2021-11-03 05:42:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:42:24,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 1640 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:42:24,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:42:25,184 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:42:25,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:42:25,699 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:42:25,699 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:42:25,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565585229] [2021-11-03 05:42:25,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [565585229] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:42:25,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [731886591] [2021-11-03 05:42:25,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:42:25,700 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:42:25,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:42:25,701 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:42:25,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2021-11-03 05:42:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:42:29,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 1640 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:42:29,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:42:30,429 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:42:30,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:42:31,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:42:31,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [731886591] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:42:31,363 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:42:31,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [5, 5] total 10 [2021-11-03 05:42:31,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529869833] [2021-11-03 05:42:31,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:42:31,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:42:31,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:42:31,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:42:31,365 INFO L87 Difference]: Start difference. First operand 10570 states and 13291 transitions. Second operand has 4 states, 4 states have (on average 84.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:42:34,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:42:34,263 INFO L93 Difference]: Finished difference Result 21083 states and 26517 transitions. [2021-11-03 05:42:34,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:42:34,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 84.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2021-11-03 05:42:34,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:42:34,280 INFO L225 Difference]: With dead ends: 21083 [2021-11-03 05:42:34,280 INFO L226 Difference]: Without dead ends: 10542 [2021-11-03 05:42:34,291 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 684 GetRequests, 676 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:42:34,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10542 states. [2021-11-03 05:42:37,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10542 to 10542. [2021-11-03 05:42:37,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10542 states, 10541 states have (on average 1.2562375486196755) internal successors, (13242), 10541 states have internal predecessors, (13242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:42:37,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10542 states to 10542 states and 13242 transitions. [2021-11-03 05:42:37,109 INFO L78 Accepts]: Start accepts. Automaton has 10542 states and 13242 transitions. Word has length 172 [2021-11-03 05:42:37,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:42:37,110 INFO L470 AbstractCegarLoop]: Abstraction has 10542 states and 13242 transitions. [2021-11-03 05:42:37,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:42:37,110 INFO L276 IsEmpty]: Start isEmpty. Operand 10542 states and 13242 transitions. [2021-11-03 05:42:37,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-03 05:42:37,118 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:42:37,118 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:42:37,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (50)] Forceful destruction successful, exit code 0 [2021-11-03 05:42:37,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2021-11-03 05:42:37,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 05:42:37,519 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:42:37,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:42:37,520 INFO L85 PathProgramCache]: Analyzing trace with hash 610951604, now seen corresponding path program 1 times [2021-11-03 05:42:37,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:42:37,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190625957] [2021-11-03 05:42:37,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:42:37,522 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:42:37,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:42:37,522 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:42:37,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (52)] Waiting until timeout for monitored process [2021-11-03 05:42:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:42:42,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 1980 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:42:42,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:42:42,636 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:42:42,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:42:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:42:43,362 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:42:43,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190625957] [2021-11-03 05:42:43,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1190625957] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:42:43,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1961886440] [2021-11-03 05:42:43,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:42:43,362 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:42:43,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:42:43,363 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:42:43,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2021-11-03 05:42:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:42:47,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 1980 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 05:42:47,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:42:48,013 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:42:48,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:42:48,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:42:48,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1961886440] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:42:48,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:42:48,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 10 [2021-11-03 05:42:48,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3637389] [2021-11-03 05:42:48,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:42:48,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:42:48,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:42:48,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:42:48,405 INFO L87 Difference]: Start difference. First operand 10542 states and 13242 transitions. Second operand has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:42:55,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:42:55,691 INFO L93 Difference]: Finished difference Result 35137 states and 43946 transitions. [2021-11-03 05:42:55,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 05:42:55,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 229 [2021-11-03 05:42:55,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:42:55,720 INFO L225 Difference]: With dead ends: 35137 [2021-11-03 05:42:55,720 INFO L226 Difference]: Without dead ends: 24624 [2021-11-03 05:42:55,733 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 914 GetRequests, 905 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-03 05:42:55,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24624 states. [2021-11-03 05:42:58,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24624 to 10570. [2021-11-03 05:42:58,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10570 states, 10569 states have (on average 1.255558709433248) internal successors, (13270), 10569 states have internal predecessors, (13270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:42:58,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10570 states to 10570 states and 13270 transitions. [2021-11-03 05:42:58,888 INFO L78 Accepts]: Start accepts. Automaton has 10570 states and 13270 transitions. Word has length 229 [2021-11-03 05:42:58,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:42:58,888 INFO L470 AbstractCegarLoop]: Abstraction has 10570 states and 13270 transitions. [2021-11-03 05:42:58,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 4 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:42:58,889 INFO L276 IsEmpty]: Start isEmpty. Operand 10570 states and 13270 transitions. [2021-11-03 05:42:58,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-03 05:42:58,902 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:42:58,902 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:42:58,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2021-11-03 05:42:59,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (52)] Forceful destruction successful, exit code 0 [2021-11-03 05:42:59,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:42:59,317 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:42:59,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:42:59,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1821948998, now seen corresponding path program 1 times [2021-11-03 05:42:59,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:42:59,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804095645] [2021-11-03 05:42:59,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:42:59,319 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:42:59,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:42:59,320 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:42:59,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (54)] Waiting until timeout for monitored process [2021-11-03 05:43:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:43:04,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 2016 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:43:04,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:43:04,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:43:04,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:43:05,419 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:43:05,419 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:43:05,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804095645] [2021-11-03 05:43:05,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804095645] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:43:05,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [60096464] [2021-11-03 05:43:05,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:43:05,420 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:43:05,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:43:05,420 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:43:05,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2021-11-03 05:43:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:43:09,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 2016 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:43:09,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:43:10,422 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:43:10,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:43:10,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:43:10,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [60096464] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:43:10,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:43:10,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [5, 5] total 13 [2021-11-03 05:43:10,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901837967] [2021-11-03 05:43:10,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 05:43:10,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:43:10,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 05:43:10,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-03 05:43:10,906 INFO L87 Difference]: Start difference. First operand 10570 states and 13270 transitions. Second operand has 7 states, 7 states have (on average 33.714285714285715) internal successors, (236), 7 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:43:28,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:43:28,377 INFO L93 Difference]: Finished difference Result 61208 states and 76094 transitions. [2021-11-03 05:43:28,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-03 05:43:28,377 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 33.714285714285715) internal successors, (236), 7 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2021-11-03 05:43:28,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:43:28,439 INFO L225 Difference]: With dead ends: 61208 [2021-11-03 05:43:28,439 INFO L226 Difference]: Without dead ends: 50667 [2021-11-03 05:43:28,453 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 942 GetRequests, 926 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-11-03 05:43:28,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50667 states. [2021-11-03 05:43:32,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50667 to 10576. [2021-11-03 05:43:32,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10576 states, 10575 states have (on average 1.2554137115839243) internal successors, (13276), 10575 states have internal predecessors, (13276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:43:32,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10576 states to 10576 states and 13276 transitions. [2021-11-03 05:43:32,330 INFO L78 Accepts]: Start accepts. Automaton has 10576 states and 13276 transitions. Word has length 234 [2021-11-03 05:43:32,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:43:32,331 INFO L470 AbstractCegarLoop]: Abstraction has 10576 states and 13276 transitions. [2021-11-03 05:43:32,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.714285714285715) internal successors, (236), 7 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:43:32,331 INFO L276 IsEmpty]: Start isEmpty. Operand 10576 states and 13276 transitions. [2021-11-03 05:43:32,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-03 05:43:32,343 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:43:32,343 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:43:32,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2021-11-03 05:43:32,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (54)] Forceful destruction successful, exit code 0 [2021-11-03 05:43:32,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:43:32,744 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:43:32,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:43:32,745 INFO L85 PathProgramCache]: Analyzing trace with hash 2023477959, now seen corresponding path program 1 times [2021-11-03 05:43:32,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:43:32,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032286586] [2021-11-03 05:43:32,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:43:32,748 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:43:32,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:43:32,749 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:43:32,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (56)] Waiting until timeout for monitored process [2021-11-03 05:43:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:43:38,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 2326 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:43:38,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:43:38,886 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:43:38,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:43:39,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:43:39,803 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:43:39,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2032286586] [2021-11-03 05:43:39,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2032286586] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:43:39,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [37941014] [2021-11-03 05:43:39,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:43:39,804 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:43:39,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:43:39,806 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:43:39,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2021-11-03 05:43:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:43:44,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 2326 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:43:44,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:43:45,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:43:45,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:43:46,274 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 05:43:46,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [37941014] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:43:46,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:43:46,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 10 [2021-11-03 05:43:46,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233878434] [2021-11-03 05:43:46,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:43:46,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:43:46,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:43:46,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:43:46,276 INFO L87 Difference]: Start difference. First operand 10576 states and 13276 transitions. Second operand has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:43:49,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:43:49,798 INFO L93 Difference]: Finished difference Result 21129 states and 26531 transitions. [2021-11-03 05:43:49,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:43:49,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 288 [2021-11-03 05:43:49,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:43:49,808 INFO L225 Difference]: With dead ends: 21129 [2021-11-03 05:43:49,808 INFO L226 Difference]: Without dead ends: 10582 [2021-11-03 05:43:49,816 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1148 GetRequests, 1140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:43:49,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10582 states. [2021-11-03 05:43:53,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10582 to 10582. [2021-11-03 05:43:53,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10582 states, 10581 states have (on average 1.255268878177866) internal successors, (13282), 10581 states have internal predecessors, (13282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:43:53,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10582 states to 10582 states and 13282 transitions. [2021-11-03 05:43:53,156 INFO L78 Accepts]: Start accepts. Automaton has 10582 states and 13282 transitions. Word has length 288 [2021-11-03 05:43:53,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:43:53,156 INFO L470 AbstractCegarLoop]: Abstraction has 10582 states and 13282 transitions. [2021-11-03 05:43:53,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.0) internal successors, (288), 4 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:43:53,156 INFO L276 IsEmpty]: Start isEmpty. Operand 10582 states and 13282 transitions. [2021-11-03 05:43:53,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-03 05:43:53,166 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:43:53,166 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:43:53,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (56)] Forceful destruction successful, exit code 0 [2021-11-03 05:43:53,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2021-11-03 05:43:53,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 05:43:53,567 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:43:53,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:43:53,567 INFO L85 PathProgramCache]: Analyzing trace with hash 478730029, now seen corresponding path program 1 times [2021-11-03 05:43:53,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:43:53,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1477487081] [2021-11-03 05:43:53,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:43:53,570 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:43:53,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:43:53,570 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:43:53,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (58)] Waiting until timeout for monitored process [2021-11-03 05:43:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:43:59,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 2332 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:43:59,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:43:59,930 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:43:59,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:44:00,841 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:44:00,841 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:44:00,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1477487081] [2021-11-03 05:44:00,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1477487081] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:44:00,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [236147878] [2021-11-03 05:44:00,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:00,842 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:44:00,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:44:00,847 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:44:00,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2021-11-03 05:44:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:08,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 2332 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:44:08,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:44:09,061 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:44:09,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:44:09,890 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:44:09,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [236147878] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:44:09,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212985046] [2021-11-03 05:44:09,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:09,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:44:09,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:44:09,892 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:44:09,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2021-11-03 05:44:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:14,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 2332 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 05:44:14,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:44:15,813 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 05:44:15,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:44:16,595 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 05:44:16,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212985046] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:16,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-03 05:44:16,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [5, 5, 5, 5] total 14 [2021-11-03 05:44:16,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531713104] [2021-11-03 05:44:16,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 05:44:16,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:44:16,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 05:44:16,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-03 05:44:16,597 INFO L87 Difference]: Start difference. First operand 10582 states and 13282 transitions. Second operand has 8 states, 8 states have (on average 36.0) internal successors, (288), 8 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:28,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:44:28,519 INFO L93 Difference]: Finished difference Result 37944 states and 47446 transitions. [2021-11-03 05:44:28,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-03 05:44:28,520 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 36.0) internal successors, (288), 8 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 290 [2021-11-03 05:44:28,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:44:28,550 INFO L225 Difference]: With dead ends: 37944 [2021-11-03 05:44:28,550 INFO L226 Difference]: Without dead ends: 27391 [2021-11-03 05:44:28,561 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1746 GetRequests, 1727 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2021-11-03 05:44:28,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27391 states. [2021-11-03 05:44:32,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27391 to 10591. [2021-11-03 05:44:32,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10591 states, 10590 states have (on average 1.2550519357884797) internal successors, (13291), 10590 states have internal predecessors, (13291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:32,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10591 states to 10591 states and 13291 transitions. [2021-11-03 05:44:32,186 INFO L78 Accepts]: Start accepts. Automaton has 10591 states and 13291 transitions. Word has length 290 [2021-11-03 05:44:32,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:44:32,186 INFO L470 AbstractCegarLoop]: Abstraction has 10591 states and 13291 transitions. [2021-11-03 05:44:32,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 36.0) internal successors, (288), 8 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:44:32,186 INFO L276 IsEmpty]: Start isEmpty. Operand 10591 states and 13291 transitions. [2021-11-03 05:44:32,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-03 05:44:32,196 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:44:32,196 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:44:32,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (58)] Forceful destruction successful, exit code 0 [2021-11-03 05:44:32,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2021-11-03 05:44:32,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2021-11-03 05:44:32,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:44:32,797 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:44:32,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:44:32,798 INFO L85 PathProgramCache]: Analyzing trace with hash 262151008, now seen corresponding path program 1 times [2021-11-03 05:44:32,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:44:32,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1825514190] [2021-11-03 05:44:32,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:32,800 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:44:32,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:44:32,801 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:44:32,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (61)] Waiting until timeout for monitored process [2021-11-03 05:44:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:38,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 2465 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:44:38,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:44:39,625 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:44:39,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:44:40,639 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:44:40,639 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:44:40,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1825514190] [2021-11-03 05:44:40,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1825514190] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:44:40,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1293570035] [2021-11-03 05:44:40,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:40,640 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:44:40,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:44:40,646 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:44:40,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2021-11-03 05:44:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:48,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 2465 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:44:48,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:44:49,578 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:44:49,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:44:50,472 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:44:50,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1293570035] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:44:50,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671811135] [2021-11-03 05:44:50,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:44:50,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:44:50,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:44:50,474 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:44:50,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2021-11-03 05:44:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:44:55,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 2465 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 05:44:55,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:44:56,616 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 05:44:56,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:44:57,094 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 05:44:57,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671811135] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:44:57,094 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-03 05:44:57,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [5, 5, 5, 5] total 12 [2021-11-03 05:44:57,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638963678] [2021-11-03 05:44:57,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:44:57,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:44:57,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:44:57,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-03 05:44:57,096 INFO L87 Difference]: Start difference. First operand 10591 states and 13291 transitions. Second operand has 6 states, 6 states have (on average 50.833333333333336) internal successors, (305), 6 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:06,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:45:06,996 INFO L93 Difference]: Finished difference Result 35919 states and 44837 transitions. [2021-11-03 05:45:06,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 05:45:06,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 50.833333333333336) internal successors, (305), 6 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 309 [2021-11-03 05:45:06,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:45:07,036 INFO L225 Difference]: With dead ends: 35919 [2021-11-03 05:45:07,036 INFO L226 Difference]: Without dead ends: 25355 [2021-11-03 05:45:07,047 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1855 GetRequests, 1841 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-11-03 05:45:07,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25355 states. [2021-11-03 05:45:10,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25355 to 10589. [2021-11-03 05:45:10,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10589 states, 10588 states have (on average 1.2549112202493389) internal successors, (13287), 10588 states have internal predecessors, (13287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:10,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10589 states to 10589 states and 13287 transitions. [2021-11-03 05:45:10,755 INFO L78 Accepts]: Start accepts. Automaton has 10589 states and 13287 transitions. Word has length 309 [2021-11-03 05:45:10,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:45:10,755 INFO L470 AbstractCegarLoop]: Abstraction has 10589 states and 13287 transitions. [2021-11-03 05:45:10,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 50.833333333333336) internal successors, (305), 6 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:10,755 INFO L276 IsEmpty]: Start isEmpty. Operand 10589 states and 13287 transitions. [2021-11-03 05:45:10,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-03 05:45:10,767 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:45:10,767 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:45:10,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (61)] Forceful destruction successful, exit code 0 [2021-11-03 05:45:11,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2021-11-03 05:45:11,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2021-11-03 05:45:11,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 05:45:11,368 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:45:11,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:45:11,368 INFO L85 PathProgramCache]: Analyzing trace with hash -2066206762, now seen corresponding path program 1 times [2021-11-03 05:45:11,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:45:11,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262085977] [2021-11-03 05:45:11,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:45:11,372 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:45:11,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:45:11,373 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:45:11,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (64)] Waiting until timeout for monitored process [2021-11-03 05:45:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:45:17,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 2529 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:45:17,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:45:18,644 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:45:18,644 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:45:19,700 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:45:19,700 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:45:19,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262085977] [2021-11-03 05:45:19,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1262085977] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:45:19,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1510095777] [2021-11-03 05:45:19,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:45:19,701 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:45:19,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:45:19,702 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:45:19,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2021-11-03 05:45:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:45:28,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 2529 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:45:28,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:45:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:45:29,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:45:30,209 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:45:30,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1510095777] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:45:30,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887918275] [2021-11-03 05:45:30,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:45:30,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:45:30,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:45:30,210 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:45:30,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2021-11-03 05:45:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:45:36,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 2529 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:45:36,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:45:36,938 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 05:45:36,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:45:37,694 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 05:45:37,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887918275] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:45:37,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-03 05:45:37,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5, 5, 5] total 10 [2021-11-03 05:45:37,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246388777] [2021-11-03 05:45:37,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:45:37,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:45:37,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:45:37,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:45:37,697 INFO L87 Difference]: Start difference. First operand 10589 states and 13287 transitions. Second operand has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:47,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:45:47,106 INFO L93 Difference]: Finished difference Result 21863 states and 27496 transitions. [2021-11-03 05:45:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:45:47,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 338 [2021-11-03 05:45:47,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:45:47,125 INFO L225 Difference]: With dead ends: 21863 [2021-11-03 05:45:47,125 INFO L226 Difference]: Without dead ends: 11303 [2021-11-03 05:45:47,137 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2022 GetRequests, 2014 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:45:47,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11303 states. [2021-11-03 05:45:50,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11303 to 11303. [2021-11-03 05:45:50,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11303 states, 11302 states have (on average 1.2538488763050788) internal successors, (14171), 11302 states have internal predecessors, (14171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:50,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11303 states to 11303 states and 14171 transitions. [2021-11-03 05:45:50,864 INFO L78 Accepts]: Start accepts. Automaton has 11303 states and 14171 transitions. Word has length 338 [2021-11-03 05:45:50,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:45:50,864 INFO L470 AbstractCegarLoop]: Abstraction has 11303 states and 14171 transitions. [2021-11-03 05:45:50,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:45:50,865 INFO L276 IsEmpty]: Start isEmpty. Operand 11303 states and 14171 transitions. [2021-11-03 05:45:50,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-03 05:45:50,878 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:45:50,878 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:45:50,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2021-11-03 05:45:51,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (64)] Forceful destruction successful, exit code 0 [2021-11-03 05:45:51,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Forceful destruction successful, exit code 0 [2021-11-03 05:45:51,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:45:51,486 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:45:51,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:45:51,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1455391558, now seen corresponding path program 1 times [2021-11-03 05:45:51,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:45:51,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1603877739] [2021-11-03 05:45:51,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:45:51,489 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:45:51,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:45:51,490 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:45:51,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (67)] Waiting until timeout for monitored process [2021-11-03 05:45:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:45:58,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 2565 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:45:58,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:45:59,347 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:45:59,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:46:00,467 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:46:00,468 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:46:00,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1603877739] [2021-11-03 05:46:00,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1603877739] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:46:00,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [338142517] [2021-11-03 05:46:00,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:46:00,469 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:46:00,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:46:00,476 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:46:00,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2021-11-03 05:46:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:46:07,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 2565 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 05:46:07,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:46:08,103 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 05:46:08,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:46:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 05:46:08,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [338142517] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:46:08,978 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:46:08,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [5, 5] total 12 [2021-11-03 05:46:08,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683868836] [2021-11-03 05:46:08,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:46:08,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:46:08,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:46:08,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-03 05:46:08,982 INFO L87 Difference]: Start difference. First operand 11303 states and 14171 transitions. Second operand has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:46:15,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:46:15,401 INFO L93 Difference]: Finished difference Result 28911 states and 36175 transitions. [2021-11-03 05:46:15,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:46:15,402 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 343 [2021-11-03 05:46:15,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:46:15,420 INFO L225 Difference]: With dead ends: 28911 [2021-11-03 05:46:15,420 INFO L226 Difference]: Without dead ends: 17637 [2021-11-03 05:46:15,428 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1370 GetRequests, 1359 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-03 05:46:15,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17637 states. [2021-11-03 05:46:19,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17637 to 11303. [2021-11-03 05:46:19,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11303 states, 11302 states have (on average 1.2526101574942488) internal successors, (14157), 11302 states have internal predecessors, (14157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:46:19,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11303 states to 11303 states and 14157 transitions. [2021-11-03 05:46:19,325 INFO L78 Accepts]: Start accepts. Automaton has 11303 states and 14157 transitions. Word has length 343 [2021-11-03 05:46:19,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:46:19,326 INFO L470 AbstractCegarLoop]: Abstraction has 11303 states and 14157 transitions. [2021-11-03 05:46:19,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:46:19,326 INFO L276 IsEmpty]: Start isEmpty. Operand 11303 states and 14157 transitions. [2021-11-03 05:46:19,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-11-03 05:46:19,335 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:46:19,335 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:46:19,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (67)] Ended with exit code 0 [2021-11-03 05:46:19,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (68)] Forceful destruction successful, exit code 0 [2021-11-03 05:46:19,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 05:46:19,737 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:46:19,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:46:19,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1661364650, now seen corresponding path program 1 times [2021-11-03 05:46:19,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:46:19,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [794895676] [2021-11-03 05:46:19,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:46:19,741 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:46:19,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:46:19,742 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:46:19,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (69)] Waiting until timeout for monitored process [2021-11-03 05:46:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:46:26,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 2549 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:46:26,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:46:27,782 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-03 05:46:27,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:46:28,884 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-03 05:46:28,884 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:46:28,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [794895676] [2021-11-03 05:46:28,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [794895676] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:46:28,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [909792931] [2021-11-03 05:46:28,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:46:28,885 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:46:28,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:46:28,886 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:46:28,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2021-11-03 05:46:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:46:38,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 2549 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:46:38,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:46:39,368 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-03 05:46:39,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:46:40,410 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-03 05:46:40,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [909792931] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:46:40,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587259748] [2021-11-03 05:46:40,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:46:40,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:46:40,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:46:40,411 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:46:40,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2021-11-03 05:46:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:46:47,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 2549 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:46:47,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:46:48,010 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-03 05:46:48,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:46:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-03 05:46:48,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587259748] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:46:48,763 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-03 05:46:48,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5, 5, 5] total 10 [2021-11-03 05:46:48,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009676554] [2021-11-03 05:46:48,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:46:48,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:46:48,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:46:48,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:46:48,765 INFO L87 Difference]: Start difference. First operand 11303 states and 14157 transitions. Second operand has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:47:27,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:47:27,868 INFO L93 Difference]: Finished difference Result 29912 states and 37373 transitions. [2021-11-03 05:47:27,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:47:27,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 354 [2021-11-03 05:47:27,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:47:27,888 INFO L225 Difference]: With dead ends: 29912 [2021-11-03 05:47:27,888 INFO L226 Difference]: Without dead ends: 18638 [2021-11-03 05:47:27,899 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2118 GetRequests, 2110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:47:27,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18638 states. [2021-11-03 05:47:31,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18638 to 11686. [2021-11-03 05:47:31,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11686 states, 11685 states have (on average 1.2469833119383826) internal successors, (14571), 11685 states have internal predecessors, (14571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:47:31,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11686 states to 11686 states and 14571 transitions. [2021-11-03 05:47:31,947 INFO L78 Accepts]: Start accepts. Automaton has 11686 states and 14571 transitions. Word has length 354 [2021-11-03 05:47:31,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:47:31,948 INFO L470 AbstractCegarLoop]: Abstraction has 11686 states and 14571 transitions. [2021-11-03 05:47:31,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:47:31,948 INFO L276 IsEmpty]: Start isEmpty. Operand 11686 states and 14571 transitions. [2021-11-03 05:47:31,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-11-03 05:47:31,957 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:47:31,957 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:47:32,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (69)] Ended with exit code 0 [2021-11-03 05:47:32,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2021-11-03 05:47:32,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Forceful destruction successful, exit code 0 [2021-11-03 05:47:32,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:47:32,574 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 111 more)] === [2021-11-03 05:47:32,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:47:32,574 INFO L85 PathProgramCache]: Analyzing trace with hash -188266834, now seen corresponding path program 1 times [2021-11-03 05:47:32,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:47:32,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [690196651] [2021-11-03 05:47:32,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:47:32,577 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:47:32,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:47:32,578 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:47:32,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (72)] Waiting until timeout for monitored process [2021-11-03 05:47:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:47:40,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 2830 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:47:40,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:47:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-03 05:47:41,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:47:42,900 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-03 05:47:42,900 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:47:42,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [690196651] [2021-11-03 05:47:42,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [690196651] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:47:42,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [169046320] [2021-11-03 05:47:42,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:47:42,901 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:47:42,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:47:42,902 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:47:42,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b998950-b1fe-4105-9040-fd825705da1a/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process