./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--usb--host--u132-hcd.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8 --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 59b1cfb91cc72e499bff6d8fc699fc231e5a5cccbbf2aefe05d1bfd2696fc05b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:23:05,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:23:05,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:23:05,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:23:05,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:23:05,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:23:05,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:23:05,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:23:05,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:23:05,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:23:05,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:23:05,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:23:05,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:23:05,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:23:05,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:23:05,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:23:05,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:23:05,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:23:05,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:23:05,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:23:05,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:23:05,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:23:05,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:23:05,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:23:05,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:23:05,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:23:05,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:23:05,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:23:05,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:23:05,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:23:05,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:23:05,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:23:05,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:23:05,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:23:05,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:23:05,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:23:05,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:23:05,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:23:05,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:23:05,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:23:05,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:23:05,592 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:23:05,620 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:23:05,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:23:05,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:23:05,622 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:23:05,623 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:23:05,623 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:23:05,623 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:23:05,624 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:23:05,624 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:23:05,624 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:23:05,624 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:23:05,625 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:23:05,625 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:23:05,625 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:23:05,626 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:23:05,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:23:05,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:23:05,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:23:05,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:23:05,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:23:05,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:23:05,628 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:23:05,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:23:05,629 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:23:05,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:23:05,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:23:05,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:23:05,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:23:05,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:23:05,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:23:05,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:23:05,632 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:23:05,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:23:05,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:23:05,633 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:23:05,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:23:05,634 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_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59b1cfb91cc72e499bff6d8fc699fc231e5a5cccbbf2aefe05d1bfd2696fc05b [2021-11-07 01:23:05,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:23:06,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:23:06,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:23:06,010 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:23:06,011 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:23:06,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i [2021-11-07 01:23:06,103 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/data/21caef3a0/251dbb7f133f4f0ba2396f04aa91ca31/FLAGaaa4d7405 [2021-11-07 01:23:07,415 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:23:07,417 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i [2021-11-07 01:23:07,528 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/data/21caef3a0/251dbb7f133f4f0ba2396f04aa91ca31/FLAGaaa4d7405 [2021-11-07 01:23:08,038 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/data/21caef3a0/251dbb7f133f4f0ba2396f04aa91ca31 [2021-11-07 01:23:08,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:23:08,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:23:08,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:08,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:23:08,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:23:08,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:08" (1/1) ... [2021-11-07 01:23:08,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b5432f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:08, skipping insertion in model container [2021-11-07 01:23:08,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:08" (1/1) ... [2021-11-07 01:23:08,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:23:08,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:23:11,115 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,251 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,274 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,298 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,353 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,414 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,449 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,482 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,494 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,523 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,538 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,566 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,588 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,603 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,616 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,629 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,643 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,646 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,668 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,804 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,805 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,806 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,830 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,850 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,859 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,879 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,887 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,912 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,915 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,918 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,930 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,934 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,936 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,948 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,964 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:11,984 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,067 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,068 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,068 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,099 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,110 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,134 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,144 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,163 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,163 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,164 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,558 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,559 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,559 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,560 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,561 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,571 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,572 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,604 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,604 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,605 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:12,610 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:13,013 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:13,030 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:13,738 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:13,739 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:23:14,542 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434581,434594] [2021-11-07 01:23:14,546 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434726,434739] [2021-11-07 01:23:14,547 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434872,434885] [2021-11-07 01:23:14,547 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435037,435050] [2021-11-07 01:23:14,548 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435195,435208] [2021-11-07 01:23:14,548 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435353,435366] [2021-11-07 01:23:14,549 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435511,435524] [2021-11-07 01:23:14,551 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435671,435684] [2021-11-07 01:23:14,559 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435830,435843] [2021-11-07 01:23:14,560 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435969,435982] [2021-11-07 01:23:14,561 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436111,436124] [2021-11-07 01:23:14,562 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436260,436273] [2021-11-07 01:23:14,563 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436399,436412] [2021-11-07 01:23:14,563 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436554,436567] [2021-11-07 01:23:14,564 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436714,436727] [2021-11-07 01:23:14,565 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436865,436878] [2021-11-07 01:23:14,565 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437016,437029] [2021-11-07 01:23:14,566 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437168,437181] [2021-11-07 01:23:14,568 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437317,437330] [2021-11-07 01:23:14,569 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437465,437478] [2021-11-07 01:23:14,569 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437622,437635] [2021-11-07 01:23:14,570 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437771,437784] [2021-11-07 01:23:14,571 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437927,437940] [2021-11-07 01:23:14,572 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438080,438093] [2021-11-07 01:23:14,572 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438226,438239] [2021-11-07 01:23:14,574 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438369,438382] [2021-11-07 01:23:14,574 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438521,438534] [2021-11-07 01:23:14,575 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438667,438680] [2021-11-07 01:23:14,576 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438812,438825] [2021-11-07 01:23:14,578 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438966,438979] [2021-11-07 01:23:14,580 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439117,439130] [2021-11-07 01:23:14,581 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439272,439285] [2021-11-07 01:23:14,582 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439424,439437] [2021-11-07 01:23:14,582 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439579,439592] [2021-11-07 01:23:14,583 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439743,439756] [2021-11-07 01:23:14,584 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439899,439912] [2021-11-07 01:23:14,584 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440063,440076] [2021-11-07 01:23:14,585 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440205,440218] [2021-11-07 01:23:14,585 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440363,440376] [2021-11-07 01:23:14,586 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440530,440543] [2021-11-07 01:23:14,587 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440689,440702] [2021-11-07 01:23:14,588 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440848,440861] [2021-11-07 01:23:14,589 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440997,441010] [2021-11-07 01:23:14,589 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441144,441157] [2021-11-07 01:23:14,590 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441283,441296] [2021-11-07 01:23:14,591 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441446,441459] [2021-11-07 01:23:14,591 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441612,441625] [2021-11-07 01:23:14,593 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441776,441789] [2021-11-07 01:23:14,594 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441941,441954] [2021-11-07 01:23:14,594 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442106,442119] [2021-11-07 01:23:14,595 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442272,442285] [2021-11-07 01:23:14,595 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442437,442450] [2021-11-07 01:23:14,596 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442604,442617] [2021-11-07 01:23:14,596 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442764,442777] [2021-11-07 01:23:14,597 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442926,442939] [2021-11-07 01:23:14,598 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443085,443098] [2021-11-07 01:23:14,599 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443231,443244] [2021-11-07 01:23:14,600 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443374,443387] [2021-11-07 01:23:14,602 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443518,443531] [2021-11-07 01:23:14,602 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443661,443674] [2021-11-07 01:23:14,603 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443805,443818] [2021-11-07 01:23:14,604 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443946,443959] [2021-11-07 01:23:14,605 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444084,444097] [2021-11-07 01:23:14,606 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444242,444255] [2021-11-07 01:23:14,607 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444401,444414] [2021-11-07 01:23:14,608 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444557,444570] [2021-11-07 01:23:14,608 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444706,444719] [2021-11-07 01:23:14,609 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444858,444871] [2021-11-07 01:23:14,610 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445009,445022] [2021-11-07 01:23:14,612 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445158,445171] [2021-11-07 01:23:14,613 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445310,445323] [2021-11-07 01:23:14,613 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445458,445471] [2021-11-07 01:23:14,614 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445611,445624] [2021-11-07 01:23:14,614 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445762,445775] [2021-11-07 01:23:14,615 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445912,445925] [2021-11-07 01:23:14,616 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446059,446072] [2021-11-07 01:23:14,616 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446210,446223] [2021-11-07 01:23:14,617 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446361,446374] [2021-11-07 01:23:14,618 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446509,446522] [2021-11-07 01:23:14,619 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446675,446688] [2021-11-07 01:23:14,619 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446844,446857] [2021-11-07 01:23:14,620 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447011,447024] [2021-11-07 01:23:14,622 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447179,447192] [2021-11-07 01:23:14,622 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447329,447342] [2021-11-07 01:23:14,623 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447476,447489] [2021-11-07 01:23:14,624 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447637,447650] [2021-11-07 01:23:14,625 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447807,447820] [2021-11-07 01:23:14,629 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447969,447982] [2021-11-07 01:23:14,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:23:14,683 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) [2021-11-07 01:23:14,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55efccd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:14, skipping insertion in model container [2021-11-07 01:23:14,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:14,684 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:23:14,687 INFO L168 Benchmark]: Toolchain (without parser) took 6642.78 ms. Allocated memory was 132.1 MB in the beginning and 172.0 MB in the end (delta: 39.8 MB). Free memory was 80.7 MB in the beginning and 81.6 MB in the end (delta: -873.0 kB). Peak memory consumption was 69.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:14,688 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 79.7 MB. Free memory was 41.5 MB in the beginning and 41.5 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:23:14,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6631.59 ms. Allocated memory was 132.1 MB in the beginning and 172.0 MB in the end (delta: 39.8 MB). Free memory was 80.7 MB in the beginning and 81.6 MB in the end (delta: -873.0 kB). Peak memory consumption was 69.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:23:14,691 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 79.7 MB. Free memory was 41.5 MB in the beginning and 41.5 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6631.59 ms. Allocated memory was 132.1 MB in the beginning and 172.0 MB in the end (delta: 39.8 MB). Free memory was 80.7 MB in the beginning and 81.6 MB in the end (delta: -873.0 kB). Peak memory consumption was 69.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4886]: 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_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8 --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 59b1cfb91cc72e499bff6d8fc699fc231e5a5cccbbf2aefe05d1bfd2696fc05b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:23:17,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:23:17,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:23:17,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:23:17,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:23:17,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:23:17,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:23:17,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:23:17,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:23:17,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:23:17,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:23:17,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:23:17,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:23:17,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:23:17,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:23:17,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:23:17,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:23:17,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:23:17,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:23:17,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:23:17,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:23:17,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:23:17,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:23:17,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:23:17,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:23:17,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:23:17,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:23:17,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:23:17,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:23:17,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:23:17,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:23:17,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:23:17,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:23:17,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:23:17,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:23:17,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:23:17,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:23:17,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:23:17,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:23:17,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:23:17,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:23:17,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:23:17,841 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:23:17,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:23:17,844 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:23:17,844 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:23:17,844 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:23:17,845 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:23:17,845 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:23:17,845 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:23:17,845 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:23:17,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:23:17,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:23:17,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:23:17,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:23:17,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:23:17,850 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:23:17,850 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:23:17,851 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:23:17,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:23:17,851 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:23:17,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:23:17,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:23:17,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:23:17,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:23:17,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:23:17,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:23:17,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:23:17,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:23:17,854 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:23:17,854 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:23:17,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:23:17,855 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:23:17,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:23:17,855 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_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59b1cfb91cc72e499bff6d8fc699fc231e5a5cccbbf2aefe05d1bfd2696fc05b [2021-11-07 01:23:18,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:23:18,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:23:18,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:23:18,378 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:23:18,379 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:23:18,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i [2021-11-07 01:23:18,455 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/data/64f92dccc/add980cbb6254761bd875ba828a25f2a/FLAG24ad03602 [2021-11-07 01:23:19,735 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:23:19,736 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i [2021-11-07 01:23:19,813 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/data/64f92dccc/add980cbb6254761bd875ba828a25f2a/FLAG24ad03602 [2021-11-07 01:23:19,926 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/data/64f92dccc/add980cbb6254761bd875ba828a25f2a [2021-11-07 01:23:19,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:23:19,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:23:19,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:19,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:23:19,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:23:19,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:19" (1/1) ... [2021-11-07 01:23:19,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58823dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:19, skipping insertion in model container [2021-11-07 01:23:19,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:23:19" (1/1) ... [2021-11-07 01:23:19,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:23:20,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:23:26,690 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434581,434594] [2021-11-07 01:23:26,695 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434726,434739] [2021-11-07 01:23:26,696 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434872,434885] [2021-11-07 01:23:26,697 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435037,435050] [2021-11-07 01:23:26,698 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435195,435208] [2021-11-07 01:23:26,699 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435353,435366] [2021-11-07 01:23:26,700 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435511,435524] [2021-11-07 01:23:26,703 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435671,435684] [2021-11-07 01:23:26,704 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435830,435843] [2021-11-07 01:23:26,705 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435969,435982] [2021-11-07 01:23:26,705 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436111,436124] [2021-11-07 01:23:26,712 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436260,436273] [2021-11-07 01:23:26,713 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436399,436412] [2021-11-07 01:23:26,713 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436554,436567] [2021-11-07 01:23:26,714 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436714,436727] [2021-11-07 01:23:26,715 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436865,436878] [2021-11-07 01:23:26,715 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437016,437029] [2021-11-07 01:23:26,716 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437168,437181] [2021-11-07 01:23:26,717 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437317,437330] [2021-11-07 01:23:26,719 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437465,437478] [2021-11-07 01:23:26,720 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437622,437635] [2021-11-07 01:23:26,720 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437771,437784] [2021-11-07 01:23:26,721 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437927,437940] [2021-11-07 01:23:26,754 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438080,438093] [2021-11-07 01:23:26,755 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438226,438239] [2021-11-07 01:23:26,756 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438369,438382] [2021-11-07 01:23:26,757 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438521,438534] [2021-11-07 01:23:26,758 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438667,438680] [2021-11-07 01:23:26,758 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438812,438825] [2021-11-07 01:23:26,761 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438966,438979] [2021-11-07 01:23:26,762 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439117,439130] [2021-11-07 01:23:26,762 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439272,439285] [2021-11-07 01:23:26,763 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439424,439437] [2021-11-07 01:23:26,765 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439579,439592] [2021-11-07 01:23:26,765 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439743,439756] [2021-11-07 01:23:26,766 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439899,439912] [2021-11-07 01:23:26,766 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440063,440076] [2021-11-07 01:23:26,767 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440205,440218] [2021-11-07 01:23:26,768 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440363,440376] [2021-11-07 01:23:26,768 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440530,440543] [2021-11-07 01:23:26,769 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440689,440702] [2021-11-07 01:23:26,770 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440848,440861] [2021-11-07 01:23:26,770 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440997,441010] [2021-11-07 01:23:26,771 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441144,441157] [2021-11-07 01:23:26,771 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441283,441296] [2021-11-07 01:23:26,772 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441446,441459] [2021-11-07 01:23:26,772 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441612,441625] [2021-11-07 01:23:26,774 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441776,441789] [2021-11-07 01:23:26,775 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441941,441954] [2021-11-07 01:23:26,776 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442106,442119] [2021-11-07 01:23:26,776 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442272,442285] [2021-11-07 01:23:26,777 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442437,442450] [2021-11-07 01:23:26,778 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442604,442617] [2021-11-07 01:23:26,778 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442764,442777] [2021-11-07 01:23:26,779 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442926,442939] [2021-11-07 01:23:26,779 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443085,443098] [2021-11-07 01:23:26,780 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443231,443244] [2021-11-07 01:23:26,781 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443374,443387] [2021-11-07 01:23:26,781 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443518,443531] [2021-11-07 01:23:26,782 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443661,443674] [2021-11-07 01:23:26,782 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443805,443818] [2021-11-07 01:23:26,783 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443946,443959] [2021-11-07 01:23:26,784 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444084,444097] [2021-11-07 01:23:26,784 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444242,444255] [2021-11-07 01:23:26,785 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444401,444414] [2021-11-07 01:23:26,786 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444557,444570] [2021-11-07 01:23:26,786 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444706,444719] [2021-11-07 01:23:26,787 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444858,444871] [2021-11-07 01:23:26,787 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445009,445022] [2021-11-07 01:23:26,789 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445158,445171] [2021-11-07 01:23:26,790 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445310,445323] [2021-11-07 01:23:26,790 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445458,445471] [2021-11-07 01:23:26,791 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445611,445624] [2021-11-07 01:23:26,791 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445762,445775] [2021-11-07 01:23:26,792 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445912,445925] [2021-11-07 01:23:26,792 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446059,446072] [2021-11-07 01:23:26,793 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446210,446223] [2021-11-07 01:23:26,794 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446361,446374] [2021-11-07 01:23:26,795 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446509,446522] [2021-11-07 01:23:26,795 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446675,446688] [2021-11-07 01:23:26,796 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446844,446857] [2021-11-07 01:23:26,797 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447011,447024] [2021-11-07 01:23:26,799 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447179,447192] [2021-11-07 01:23:26,799 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447329,447342] [2021-11-07 01:23:26,800 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447476,447489] [2021-11-07 01:23:26,800 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447637,447650] [2021-11-07 01:23:26,801 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447807,447820] [2021-11-07 01:23:26,801 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447969,447982] [2021-11-07 01:23:26,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:23:26,880 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:23:27,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:23:27,599 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434581,434594] [2021-11-07 01:23:27,600 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434726,434739] [2021-11-07 01:23:27,601 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434872,434885] [2021-11-07 01:23:27,602 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435037,435050] [2021-11-07 01:23:27,604 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435195,435208] [2021-11-07 01:23:27,605 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435353,435366] [2021-11-07 01:23:27,606 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435511,435524] [2021-11-07 01:23:27,607 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435671,435684] [2021-11-07 01:23:27,607 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_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435830,435843] [2021-11-07 01:23:27,608 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435969,435982] [2021-11-07 01:23:27,608 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436111,436124] [2021-11-07 01:23:27,609 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436260,436273] [2021-11-07 01:23:27,609 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436399,436412] [2021-11-07 01:23:27,610 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436554,436567] [2021-11-07 01:23:27,611 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436714,436727] [2021-11-07 01:23:27,612 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436865,436878] [2021-11-07 01:23:27,613 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437016,437029] [2021-11-07 01:23:27,613 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437168,437181] [2021-11-07 01:23:27,614 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437317,437330] [2021-11-07 01:23:27,614 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437465,437478] [2021-11-07 01:23:27,615 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437622,437635] [2021-11-07 01:23:27,616 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437771,437784] [2021-11-07 01:23:27,616 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437927,437940] [2021-11-07 01:23:27,617 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438080,438093] [2021-11-07 01:23:27,617 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438226,438239] [2021-11-07 01:23:27,619 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438369,438382] [2021-11-07 01:23:27,619 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438521,438534] [2021-11-07 01:23:27,620 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438667,438680] [2021-11-07 01:23:27,621 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438812,438825] [2021-11-07 01:23:27,626 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438966,438979] [2021-11-07 01:23:27,627 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439117,439130] [2021-11-07 01:23:27,629 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439272,439285] [2021-11-07 01:23:27,630 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439424,439437] [2021-11-07 01:23:27,631 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439579,439592] [2021-11-07 01:23:27,631 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439743,439756] [2021-11-07 01:23:27,632 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439899,439912] [2021-11-07 01:23:27,632 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440063,440076] [2021-11-07 01:23:27,633 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440205,440218] [2021-11-07 01:23:27,635 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440363,440376] [2021-11-07 01:23:27,635 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440530,440543] [2021-11-07 01:23:27,637 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440689,440702] [2021-11-07 01:23:27,637 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440848,440861] [2021-11-07 01:23:27,638 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440997,441010] [2021-11-07 01:23:27,638 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441144,441157] [2021-11-07 01:23:27,639 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441283,441296] [2021-11-07 01:23:27,640 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441446,441459] [2021-11-07 01:23:27,641 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441612,441625] [2021-11-07 01:23:27,642 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441776,441789] [2021-11-07 01:23:27,649 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441941,441954] [2021-11-07 01:23:27,650 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442106,442119] [2021-11-07 01:23:27,650 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442272,442285] [2021-11-07 01:23:27,652 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442437,442450] [2021-11-07 01:23:27,653 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442604,442617] [2021-11-07 01:23:27,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442764,442777] [2021-11-07 01:23:27,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442926,442939] [2021-11-07 01:23:27,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443085,443098] [2021-11-07 01:23:27,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443231,443244] [2021-11-07 01:23:27,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443374,443387] [2021-11-07 01:23:27,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443518,443531] [2021-11-07 01:23:27,658 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443661,443674] [2021-11-07 01:23:27,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443805,443818] [2021-11-07 01:23:27,664 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443946,443959] [2021-11-07 01:23:27,665 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444084,444097] [2021-11-07 01:23:27,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444242,444255] [2021-11-07 01:23:27,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444401,444414] [2021-11-07 01:23:27,668 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444557,444570] [2021-11-07 01:23:27,669 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444706,444719] [2021-11-07 01:23:27,670 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444858,444871] [2021-11-07 01:23:27,671 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445009,445022] [2021-11-07 01:23:27,671 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445158,445171] [2021-11-07 01:23:27,680 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445310,445323] [2021-11-07 01:23:27,681 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445458,445471] [2021-11-07 01:23:27,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445611,445624] [2021-11-07 01:23:27,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445762,445775] [2021-11-07 01:23:27,683 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445912,445925] [2021-11-07 01:23:27,684 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446059,446072] [2021-11-07 01:23:27,685 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446210,446223] [2021-11-07 01:23:27,685 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446361,446374] [2021-11-07 01:23:27,687 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446509,446522] [2021-11-07 01:23:27,688 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446675,446688] [2021-11-07 01:23:27,688 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446844,446857] [2021-11-07 01:23:27,690 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447011,447024] [2021-11-07 01:23:27,690 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447179,447192] [2021-11-07 01:23:27,691 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447329,447342] [2021-11-07 01:23:27,692 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447476,447489] [2021-11-07 01:23:27,692 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447637,447650] [2021-11-07 01:23:27,693 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447807,447820] [2021-11-07 01:23:27,693 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447969,447982] [2021-11-07 01:23:27,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:23:27,730 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:23:28,428 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434581,434594] [2021-11-07 01:23:28,429 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434726,434739] [2021-11-07 01:23:28,430 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434872,434885] [2021-11-07 01:23:28,431 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435037,435050] [2021-11-07 01:23:28,431 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435195,435208] [2021-11-07 01:23:28,432 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435353,435366] [2021-11-07 01:23:28,432 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435511,435524] [2021-11-07 01:23:28,433 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435671,435684] [2021-11-07 01:23:28,433 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435830,435843] [2021-11-07 01:23:28,434 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435969,435982] [2021-11-07 01:23:28,434 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436111,436124] [2021-11-07 01:23:28,436 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436260,436273] [2021-11-07 01:23:28,436 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436399,436412] [2021-11-07 01:23:28,437 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436554,436567] [2021-11-07 01:23:28,437 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436714,436727] [2021-11-07 01:23:28,438 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436865,436878] [2021-11-07 01:23:28,438 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437016,437029] [2021-11-07 01:23:28,438 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437168,437181] [2021-11-07 01:23:28,439 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437317,437330] [2021-11-07 01:23:28,440 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437465,437478] [2021-11-07 01:23:28,440 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437622,437635] [2021-11-07 01:23:28,441 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437771,437784] [2021-11-07 01:23:28,441 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437927,437940] [2021-11-07 01:23:28,441 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438080,438093] [2021-11-07 01:23:28,442 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438226,438239] [2021-11-07 01:23:28,442 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438369,438382] [2021-11-07 01:23:28,445 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438521,438534] [2021-11-07 01:23:28,445 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438667,438680] [2021-11-07 01:23:28,446 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438812,438825] [2021-11-07 01:23:28,446 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438966,438979] [2021-11-07 01:23:28,447 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439117,439130] [2021-11-07 01:23:28,447 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439272,439285] [2021-11-07 01:23:28,448 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439424,439437] [2021-11-07 01:23:28,448 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439579,439592] [2021-11-07 01:23:28,449 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439743,439756] [2021-11-07 01:23:28,449 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439899,439912] [2021-11-07 01:23:28,450 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440063,440076] [2021-11-07 01:23:28,450 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440205,440218] [2021-11-07 01:23:28,450 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440363,440376] [2021-11-07 01:23:28,451 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440530,440543] [2021-11-07 01:23:28,451 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440689,440702] [2021-11-07 01:23:28,452 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440848,440861] [2021-11-07 01:23:28,452 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440997,441010] [2021-11-07 01:23:28,453 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441144,441157] [2021-11-07 01:23:28,453 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441283,441296] [2021-11-07 01:23:28,454 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441446,441459] [2021-11-07 01:23:28,454 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441612,441625] [2021-11-07 01:23:28,454 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441776,441789] [2021-11-07 01:23:28,455 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441941,441954] [2021-11-07 01:23:28,455 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442106,442119] [2021-11-07 01:23:28,456 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442272,442285] [2021-11-07 01:23:28,456 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442437,442450] [2021-11-07 01:23:28,457 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442604,442617] [2021-11-07 01:23:28,458 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442764,442777] [2021-11-07 01:23:28,458 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442926,442939] [2021-11-07 01:23:28,458 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443085,443098] [2021-11-07 01:23:28,459 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443231,443244] [2021-11-07 01:23:28,459 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443374,443387] [2021-11-07 01:23:28,460 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443518,443531] [2021-11-07 01:23:28,460 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443661,443674] [2021-11-07 01:23:28,461 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443805,443818] [2021-11-07 01:23:28,461 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443946,443959] [2021-11-07 01:23:28,462 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444084,444097] [2021-11-07 01:23:28,463 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444242,444255] [2021-11-07 01:23:28,463 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444401,444414] [2021-11-07 01:23:28,463 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444557,444570] [2021-11-07 01:23:28,464 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444706,444719] [2021-11-07 01:23:28,464 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444858,444871] [2021-11-07 01:23:28,465 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445009,445022] [2021-11-07 01:23:28,465 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445158,445171] [2021-11-07 01:23:28,466 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445310,445323] [2021-11-07 01:23:28,466 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445458,445471] [2021-11-07 01:23:28,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445611,445624] [2021-11-07 01:23:28,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445762,445775] [2021-11-07 01:23:28,468 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445912,445925] [2021-11-07 01:23:28,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446059,446072] [2021-11-07 01:23:28,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446210,446223] [2021-11-07 01:23:28,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446361,446374] [2021-11-07 01:23:28,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446509,446522] [2021-11-07 01:23:28,476 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446675,446688] [2021-11-07 01:23:28,481 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446844,446857] [2021-11-07 01:23:28,486 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447011,447024] [2021-11-07 01:23:28,486 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447179,447192] [2021-11-07 01:23:28,487 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447329,447342] [2021-11-07 01:23:28,487 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447476,447489] [2021-11-07 01:23:28,488 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447637,447650] [2021-11-07 01:23:28,488 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447807,447820] [2021-11-07 01:23:28,489 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447969,447982] [2021-11-07 01:23:28,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:23:29,050 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:23:29,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:29 WrapperNode [2021-11-07 01:23:29,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:23:29,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:23:29,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:23:29,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:23:29,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:29" (1/1) ... [2021-11-07 01:23:29,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:29" (1/1) ... [2021-11-07 01:23:31,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:23:31,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:23:31,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:23:31,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:23:31,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:29" (1/1) ... [2021-11-07 01:23:31,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:29" (1/1) ... [2021-11-07 01:23:31,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:29" (1/1) ... [2021-11-07 01:23:31,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:29" (1/1) ... [2021-11-07 01:23:32,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:29" (1/1) ... [2021-11-07 01:23:33,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:29" (1/1) ... [2021-11-07 01:23:33,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:29" (1/1) ... [2021-11-07 01:23:33,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:23:33,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:23:33,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:23:33,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:23:33,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:29" (1/1) ... [2021-11-07 01:23:33,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:23:33,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:23:33,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:23:33,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:23:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure u132_udev_put_kref [2021-11-07 01:23:33,601 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_udev_put_kref [2021-11-07 01:23:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure u132_ring_requeue_work [2021-11-07 01:23:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_ring_requeue_work [2021-11-07 01:23:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:23:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:23:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:23:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 01:23:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure u132_endp_cancel_work [2021-11-07 01:23:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_endp_cancel_work [2021-11-07 01:23:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_ring_work_scheduler [2021-11-07 01:23:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_ring_work_scheduler [2021-11-07 01:23:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure u132_u132_put_kref [2021-11-07 01:23:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_u132_put_kref [2021-11-07 01:23:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_endp_work_scheduler [2021-11-07 01:23:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_endp_work_scheduler [2021-11-07 01:23:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-07 01:23:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-07 01:23:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_monitor_work [2021-11-07 01:23:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_monitor_work [2021-11-07 01:23:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:23:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure u132_monitor_requeue_work [2021-11-07 01:23:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_monitor_requeue_work [2021-11-07 01:23:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:23:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_giveback_urb [2021-11-07 01:23:33,604 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_giveback_urb [2021-11-07 01:23:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 01:23:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 01:23:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure u132_ring_queue_work [2021-11-07 01:23:33,605 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_ring_queue_work [2021-11-07 01:23:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:23:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:23:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:23:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-07 01:23:33,606 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-07 01:23:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:23:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:23:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 01:23:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure u132_endp_delete [2021-11-07 01:23:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_endp_delete [2021-11-07 01:23:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:23:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure u132_endp_put_kref [2021-11-07 01:23:33,607 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_endp_put_kref [2021-11-07 01:23:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:23:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:23:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:23:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 01:23:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:23:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:23:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure u132_ring_put_kref [2021-11-07 01:23:33,608 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_ring_put_kref [2021-11-07 01:23:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure u132_ring_cancel_work [2021-11-07 01:23:33,608 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_ring_cancel_work [2021-11-07 01:23:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-07 01:28:32,783 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_7_returnLabel: main_#res := 0bv32; [2021-11-07 01:28:32,787 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_platform_platform_instance_0_switch_break: call ULTIMATE.dealloc(ldv_platform_platform_instance_0_~#ldv_0_resource_struct_pm_message~0.base, ldv_platform_platform_instance_0_~#ldv_0_resource_struct_pm_message~0.offset);havoc ldv_platform_platform_instance_0_~#ldv_0_resource_struct_pm_message~0.base, ldv_platform_platform_instance_0_~#ldv_0_resource_struct_pm_message~0.offset; [2021-11-07 01:28:32,788 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 01:28:32,789 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10234: #t~ret1656 := main_#res; [2021-11-07 01:28:32,961 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:28:32,961 INFO L299 CfgBuilder]: Removed 9988 assume(true) statements. [2021-11-07 01:28:32,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:28:32 BoogieIcfgContainer [2021-11-07 01:28:32,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:28:32,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:28:32,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:28:32,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:28:32,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:23:19" (1/3) ... [2021-11-07 01:28:32,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3234f98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:28:32, skipping insertion in model container [2021-11-07 01:28:32,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:23:29" (2/3) ... [2021-11-07 01:28:32,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3234f98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:28:32, skipping insertion in model container [2021-11-07 01:28:32,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:28:32" (3/3) ... [2021-11-07 01:28:32,982 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i [2021-11-07 01:28:32,987 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:28:32,988 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 370 error locations. [2021-11-07 01:28:33,085 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:28:33,094 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 [2021-11-07 01:28:33,094 INFO L340 AbstractCegarLoop]: Starting to check reachability of 370 error locations. [2021-11-07 01:28:33,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 10463 states, 9912 states have (on average 1.4162631154156577) internal successors, (14038), 10356 states have internal predecessors, (14038), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:28:33,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 01:28:33,279 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:28:33,280 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] [2021-11-07 01:28:33,281 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr228ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:28:33,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:28:33,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1130256629, now seen corresponding path program 1 times [2021-11-07 01:28:33,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:28:33,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2124641888] [2021-11-07 01:28:33,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:28:33,308 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:28:33,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:28:33,314 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:28:33,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:28:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:28:36,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 1103 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:28:36,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:28:36,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:28:36,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:28:36,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:28:36,756 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:28:36,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2124641888] [2021-11-07 01:28:36,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2124641888] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:28:36,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:28:36,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:28:36,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756788798] [2021-11-07 01:28:36,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:28:36,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:28:36,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:28:36,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:28:36,810 INFO L87 Difference]: Start difference. First operand has 10463 states, 9912 states have (on average 1.4162631154156577) internal successors, (14038), 10356 states have internal predecessors, (14038), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-11-07 01:28:37,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:28:37,756 INFO L93 Difference]: Finished difference Result 20886 states and 28846 transitions. [2021-11-07 01:28:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:28:37,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 23 [2021-11-07 01:28:37,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:28:37,854 INFO L225 Difference]: With dead ends: 20886 [2021-11-07 01:28:37,854 INFO L226 Difference]: Without dead ends: 10314 [2021-11-07 01:28:37,888 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:28:37,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10314 states. [2021-11-07 01:28:38,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10314 to 10314. [2021-11-07 01:28:38,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10314 states, 9765 states have (on average 1.3694828469022018) internal successors, (13373), 10207 states have internal predecessors, (13373), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:28:38,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10314 states to 10314 states and 13701 transitions. [2021-11-07 01:28:38,524 INFO L78 Accepts]: Start accepts. Automaton has 10314 states and 13701 transitions. Word has length 23 [2021-11-07 01:28:38,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:28:38,526 INFO L470 AbstractCegarLoop]: Abstraction has 10314 states and 13701 transitions. [2021-11-07 01:28:38,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-11-07 01:28:38,527 INFO L276 IsEmpty]: Start isEmpty. Operand 10314 states and 13701 transitions. [2021-11-07 01:28:38,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:28:38,528 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:28:38,529 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] [2021-11-07 01:28:38,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:28:38,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:28:38,746 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr229ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:28:38,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:28:38,747 INFO L85 PathProgramCache]: Analyzing trace with hash -449114311, now seen corresponding path program 1 times [2021-11-07 01:28:38,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:28:38,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797796236] [2021-11-07 01:28:38,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:28:38,751 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:28:38,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:28:38,752 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:28:38,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:28:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:28:41,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:28:41,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:28:42,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:28:42,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:28:42,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:28:42,418 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:28:42,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1797796236] [2021-11-07 01:28:42,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1797796236] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:28:42,419 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:28:42,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:28:42,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239832331] [2021-11-07 01:28:42,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:28:42,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:28:42,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:28:42,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:28:42,422 INFO L87 Difference]: Start difference. First operand 10314 states and 13701 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-11-07 01:28:42,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:28:42,986 INFO L93 Difference]: Finished difference Result 10314 states and 13701 transitions. [2021-11-07 01:28:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:28:42,987 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 25 [2021-11-07 01:28:42,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:28:43,056 INFO L225 Difference]: With dead ends: 10314 [2021-11-07 01:28:43,056 INFO L226 Difference]: Without dead ends: 10310 [2021-11-07 01:28:43,062 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:28:43,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10310 states. [2021-11-07 01:28:43,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10310 to 10310. [2021-11-07 01:28:43,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10310 states, 9763 states have (on average 1.369353682269794) internal successors, (13369), 10203 states have internal predecessors, (13369), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:28:43,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10310 states to 10310 states and 13697 transitions. [2021-11-07 01:28:43,652 INFO L78 Accepts]: Start accepts. Automaton has 10310 states and 13697 transitions. Word has length 25 [2021-11-07 01:28:43,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:28:43,653 INFO L470 AbstractCegarLoop]: Abstraction has 10310 states and 13697 transitions. [2021-11-07 01:28:43,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-11-07 01:28:43,653 INFO L276 IsEmpty]: Start isEmpty. Operand 10310 states and 13697 transitions. [2021-11-07 01:28:43,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:28:43,655 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:28:43,655 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] [2021-11-07 01:28:43,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:28:43,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:28:43,875 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr313ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:28:43,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:28:43,876 INFO L85 PathProgramCache]: Analyzing trace with hash 190447329, now seen corresponding path program 1 times [2021-11-07 01:28:43,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:28:43,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556341812] [2021-11-07 01:28:43,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:28:43,881 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:28:43,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:28:43,887 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:28:43,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:28:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:28:46,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 1125 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-07 01:28:46,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:28:47,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:28:47,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:28:47,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:28:47,872 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:28:47,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556341812] [2021-11-07 01:28:47,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556341812] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:28:47,873 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:28:47,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 19 [2021-11-07 01:28:47,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57448986] [2021-11-07 01:28:47,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-07 01:28:47,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:28:47,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-07 01:28:47,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2021-11-07 01:28:47,875 INFO L87 Difference]: Start difference. First operand 10310 states and 13697 transitions. Second operand has 19 states, 19 states have (on average 2.0) internal successors, (38), 19 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) [2021-11-07 01:28:50,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:28:50,830 INFO L93 Difference]: Finished difference Result 12439 states and 16310 transitions. [2021-11-07 01:28:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:28:50,831 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.0) internal successors, (38), 19 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 26 [2021-11-07 01:28:50,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:28:50,889 INFO L225 Difference]: With dead ends: 12439 [2021-11-07 01:28:50,889 INFO L226 Difference]: Without dead ends: 10402 [2021-11-07 01:28:50,896 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2021-11-07 01:28:50,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10402 states. [2021-11-07 01:28:51,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10402 to 10321. [2021-11-07 01:28:51,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10321 states, 9774 states have (on average 1.368937998772253) internal successors, (13380), 10214 states have internal predecessors, (13380), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:28:51,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10321 states to 10321 states and 13708 transitions. [2021-11-07 01:28:51,347 INFO L78 Accepts]: Start accepts. Automaton has 10321 states and 13708 transitions. Word has length 26 [2021-11-07 01:28:51,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:28:51,348 INFO L470 AbstractCegarLoop]: Abstraction has 10321 states and 13708 transitions. [2021-11-07 01:28:51,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.0) internal successors, (38), 19 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) [2021-11-07 01:28:51,348 INFO L276 IsEmpty]: Start isEmpty. Operand 10321 states and 13708 transitions. [2021-11-07 01:28:51,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 01:28:51,349 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:28:51,350 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] [2021-11-07 01:28:51,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:28:51,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:28:51,572 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr230ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:28:51,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:28:51,572 INFO L85 PathProgramCache]: Analyzing trace with hash -2101131811, now seen corresponding path program 1 times [2021-11-07 01:28:51,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:28:51,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954211050] [2021-11-07 01:28:51,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:28:51,577 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:28:51,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:28:51,579 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:28:51,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:28:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:28:54,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:28:54,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:28:54,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:28:54,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:28:54,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:28:54,787 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:28:54,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1954211050] [2021-11-07 01:28:54,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1954211050] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:28:54,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:28:54,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:28:54,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325327434] [2021-11-07 01:28:54,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:28:54,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:28:54,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:28:54,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:28:54,789 INFO L87 Difference]: Start difference. First operand 10321 states and 13708 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-11-07 01:28:55,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:28:55,301 INFO L93 Difference]: Finished difference Result 10321 states and 13708 transitions. [2021-11-07 01:28:55,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:28:55,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 27 [2021-11-07 01:28:55,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:28:55,335 INFO L225 Difference]: With dead ends: 10321 [2021-11-07 01:28:55,335 INFO L226 Difference]: Without dead ends: 10317 [2021-11-07 01:28:55,340 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:28:55,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10317 states. [2021-11-07 01:28:55,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10317 to 10317. [2021-11-07 01:28:55,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10317 states, 9772 states have (on average 1.3688088415882111) internal successors, (13376), 10210 states have internal predecessors, (13376), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:28:55,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10317 states to 10317 states and 13704 transitions. [2021-11-07 01:28:55,799 INFO L78 Accepts]: Start accepts. Automaton has 10317 states and 13704 transitions. Word has length 27 [2021-11-07 01:28:55,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:28:55,799 INFO L470 AbstractCegarLoop]: Abstraction has 10317 states and 13704 transitions. [2021-11-07 01:28:55,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-11-07 01:28:55,800 INFO L276 IsEmpty]: Start isEmpty. Operand 10317 states and 13704 transitions. [2021-11-07 01:28:55,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 01:28:55,801 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:28:55,801 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] [2021-11-07 01:28:55,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:28:56,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:28:56,014 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr231ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:28:56,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:28:56,015 INFO L85 PathProgramCache]: Analyzing trace with hash -552049439, now seen corresponding path program 1 times [2021-11-07 01:28:56,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:28:56,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724658438] [2021-11-07 01:28:56,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:28:56,018 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:28:56,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:28:56,019 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:28:56,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:28:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:28:59,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 1112 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:28:59,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:28:59,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:28:59,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:28:59,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:28:59,633 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:28:59,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724658438] [2021-11-07 01:28:59,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [724658438] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:28:59,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:28:59,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:28:59,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796111052] [2021-11-07 01:28:59,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:28:59,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:28:59,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:28:59,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:28:59,636 INFO L87 Difference]: Start difference. First operand 10317 states and 13704 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2021-11-07 01:29:00,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:29:00,139 INFO L93 Difference]: Finished difference Result 10317 states and 13704 transitions. [2021-11-07 01:29:00,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:29:00,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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 29 [2021-11-07 01:29:00,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:29:00,172 INFO L225 Difference]: With dead ends: 10317 [2021-11-07 01:29:00,172 INFO L226 Difference]: Without dead ends: 10313 [2021-11-07 01:29:00,178 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:29:00,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10313 states. [2021-11-07 01:29:00,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10313 to 10313. [2021-11-07 01:29:00,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10313 states, 9770 states have (on average 1.3686796315250767) internal successors, (13372), 10206 states have internal predecessors, (13372), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:29:00,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10313 states to 10313 states and 13700 transitions. [2021-11-07 01:29:00,759 INFO L78 Accepts]: Start accepts. Automaton has 10313 states and 13700 transitions. Word has length 29 [2021-11-07 01:29:00,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:29:00,759 INFO L470 AbstractCegarLoop]: Abstraction has 10313 states and 13700 transitions. [2021-11-07 01:29:00,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2021-11-07 01:29:00,760 INFO L276 IsEmpty]: Start isEmpty. Operand 10313 states and 13700 transitions. [2021-11-07 01:29:00,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 01:29:00,764 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:29:00,764 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] [2021-11-07 01:29:00,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:29:00,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:29:00,980 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr232ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:29:00,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:29:00,980 INFO L85 PathProgramCache]: Analyzing trace with hash 2057425989, now seen corresponding path program 1 times [2021-11-07 01:29:00,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:29:00,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486368621] [2021-11-07 01:29:00,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:29:00,983 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:29:00,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:29:00,985 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:29:01,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:29:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:29:04,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:29:04,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:29:04,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:29:04,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:29:04,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:29:04,468 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:29:04,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486368621] [2021-11-07 01:29:04,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1486368621] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:29:04,469 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:29:04,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:29:04,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447279647] [2021-11-07 01:29:04,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:29:04,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:29:04,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:29:04,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:29:04,471 INFO L87 Difference]: Start difference. First operand 10313 states and 13700 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-11-07 01:29:05,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:29:05,060 INFO L93 Difference]: Finished difference Result 10313 states and 13700 transitions. [2021-11-07 01:29:05,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:29:05,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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 31 [2021-11-07 01:29:05,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:29:05,094 INFO L225 Difference]: With dead ends: 10313 [2021-11-07 01:29:05,095 INFO L226 Difference]: Without dead ends: 10309 [2021-11-07 01:29:05,099 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:29:05,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10309 states. [2021-11-07 01:29:05,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10309 to 10309. [2021-11-07 01:29:05,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10309 states, 9768 states have (on average 1.3685503685503686) internal successors, (13368), 10202 states have internal predecessors, (13368), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:29:05,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10309 states to 10309 states and 13696 transitions. [2021-11-07 01:29:05,677 INFO L78 Accepts]: Start accepts. Automaton has 10309 states and 13696 transitions. Word has length 31 [2021-11-07 01:29:05,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:29:05,678 INFO L470 AbstractCegarLoop]: Abstraction has 10309 states and 13696 transitions. [2021-11-07 01:29:05,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-11-07 01:29:05,678 INFO L276 IsEmpty]: Start isEmpty. Operand 10309 states and 13696 transitions. [2021-11-07 01:29:05,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:29:05,682 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:29:05,682 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] [2021-11-07 01:29:05,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:29:05,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:29:05,896 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr233ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:29:05,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:29:05,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1502411785, now seen corresponding path program 1 times [2021-11-07 01:29:05,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:29:05,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [364987405] [2021-11-07 01:29:05,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:29:05,899 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:29:05,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:29:05,901 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:29:05,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:29:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:29:09,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:29:09,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:29:09,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:29:09,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:29:09,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:29:09,659 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:29:09,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [364987405] [2021-11-07 01:29:09,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [364987405] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:29:09,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:29:09,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:29:09,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239135935] [2021-11-07 01:29:09,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:29:09,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:29:09,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:29:09,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:29:09,661 INFO L87 Difference]: Start difference. First operand 10309 states and 13696 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 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) [2021-11-07 01:29:10,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:29:10,239 INFO L93 Difference]: Finished difference Result 10309 states and 13696 transitions. [2021-11-07 01:29:10,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:29:10,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 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 33 [2021-11-07 01:29:10,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:29:10,276 INFO L225 Difference]: With dead ends: 10309 [2021-11-07 01:29:10,277 INFO L226 Difference]: Without dead ends: 10305 [2021-11-07 01:29:10,284 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:29:10,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10305 states. [2021-11-07 01:29:10,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10305 to 10305. [2021-11-07 01:29:10,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10305 states, 9766 states have (on average 1.368421052631579) internal successors, (13364), 10198 states have internal predecessors, (13364), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:29:11,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10305 states to 10305 states and 13692 transitions. [2021-11-07 01:29:11,030 INFO L78 Accepts]: Start accepts. Automaton has 10305 states and 13692 transitions. Word has length 33 [2021-11-07 01:29:11,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:29:11,030 INFO L470 AbstractCegarLoop]: Abstraction has 10305 states and 13692 transitions. [2021-11-07 01:29:11,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 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) [2021-11-07 01:29:11,031 INFO L276 IsEmpty]: Start isEmpty. Operand 10305 states and 13692 transitions. [2021-11-07 01:29:11,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:29:11,032 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:29:11,033 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] [2021-11-07 01:29:11,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:29:11,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:29:11,250 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr313ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:29:11,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:29:11,250 INFO L85 PathProgramCache]: Analyzing trace with hash 964385034, now seen corresponding path program 1 times [2021-11-07 01:29:11,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:29:11,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [63493030] [2021-11-07 01:29:11,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:29:11,253 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:29:11,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:29:11,254 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:29:11,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:29:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:29:14,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 1169 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-07 01:29:14,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:29:15,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:29:15,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:29:15,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:29:15,891 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:29:15,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [63493030] [2021-11-07 01:29:15,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [63493030] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:29:15,891 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:29:15,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 15] imperfect sequences [] total 16 [2021-11-07 01:29:15,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631697120] [2021-11-07 01:29:15,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-07 01:29:15,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:29:15,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-07 01:29:15,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:29:15,893 INFO L87 Difference]: Start difference. First operand 10305 states and 13692 transitions. Second operand has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 states have internal predecessors, (35), 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) [2021-11-07 01:29:20,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:29:20,535 INFO L93 Difference]: Finished difference Result 12493 states and 16363 transitions. [2021-11-07 01:29:20,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 01:29:20,535 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 states have internal predecessors, (35), 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 33 [2021-11-07 01:29:20,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:29:20,573 INFO L225 Difference]: With dead ends: 12493 [2021-11-07 01:29:20,574 INFO L226 Difference]: Without dead ends: 10464 [2021-11-07 01:29:20,584 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=285, Invalid=837, Unknown=0, NotChecked=0, Total=1122 [2021-11-07 01:29:20,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10464 states. [2021-11-07 01:29:21,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10464 to 10307. [2021-11-07 01:29:21,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10307 states, 9768 states have (on average 1.3683456183456184) internal successors, (13366), 10200 states have internal predecessors, (13366), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:29:21,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10307 states to 10307 states and 13694 transitions. [2021-11-07 01:29:21,382 INFO L78 Accepts]: Start accepts. Automaton has 10307 states and 13694 transitions. Word has length 33 [2021-11-07 01:29:21,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:29:21,383 INFO L470 AbstractCegarLoop]: Abstraction has 10307 states and 13694 transitions. [2021-11-07 01:29:21,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 states have internal predecessors, (35), 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) [2021-11-07 01:29:21,383 INFO L276 IsEmpty]: Start isEmpty. Operand 10307 states and 13694 transitions. [2021-11-07 01:29:21,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 01:29:21,385 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:29:21,385 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] [2021-11-07 01:29:21,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:29:21,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:29:21,612 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr234ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:29:21,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:29:21,612 INFO L85 PathProgramCache]: Analyzing trace with hash 709706797, now seen corresponding path program 1 times [2021-11-07 01:29:21,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:29:21,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1798203436] [2021-11-07 01:29:21,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:29:21,616 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:29:21,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:29:21,620 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:29:21,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:29:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:29:25,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:29:25,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:29:25,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:29:25,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:29:25,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:29:25,949 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:29:25,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1798203436] [2021-11-07 01:29:25,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1798203436] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:29:25,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:29:25,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:29:25,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878557583] [2021-11-07 01:29:25,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:29:25,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:29:25,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:29:25,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:29:25,952 INFO L87 Difference]: Start difference. First operand 10307 states and 13694 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-11-07 01:29:26,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:29:26,463 INFO L93 Difference]: Finished difference Result 10307 states and 13694 transitions. [2021-11-07 01:29:26,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:29:26,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 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 35 [2021-11-07 01:29:26,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:29:26,497 INFO L225 Difference]: With dead ends: 10307 [2021-11-07 01:29:26,497 INFO L226 Difference]: Without dead ends: 10303 [2021-11-07 01:29:26,504 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:29:26,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10303 states. [2021-11-07 01:29:27,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10303 to 10303. [2021-11-07 01:29:27,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10303 states, 9766 states have (on average 1.368216260495597) internal successors, (13362), 10196 states have internal predecessors, (13362), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:29:27,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10303 states to 10303 states and 13690 transitions. [2021-11-07 01:29:27,278 INFO L78 Accepts]: Start accepts. Automaton has 10303 states and 13690 transitions. Word has length 35 [2021-11-07 01:29:27,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:29:27,278 INFO L470 AbstractCegarLoop]: Abstraction has 10303 states and 13690 transitions. [2021-11-07 01:29:27,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 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) [2021-11-07 01:29:27,279 INFO L276 IsEmpty]: Start isEmpty. Operand 10303 states and 13690 transitions. [2021-11-07 01:29:27,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 01:29:27,280 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:29:27,280 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] [2021-11-07 01:29:27,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:29:27,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:29:27,496 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr235ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:29:27,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:29:27,496 INFO L85 PathProgramCache]: Analyzing trace with hash -870574927, now seen corresponding path program 1 times [2021-11-07 01:29:27,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:29:27,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354327255] [2021-11-07 01:29:27,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:29:27,500 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:29:27,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:29:27,502 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:29:27,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:29:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:29:31,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:29:31,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:29:31,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:29:31,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:29:31,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:29:31,667 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:29:31,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1354327255] [2021-11-07 01:29:31,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1354327255] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:29:31,668 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:29:31,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:29:31,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086644167] [2021-11-07 01:29:31,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:29:31,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:29:31,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:29:31,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:29:31,669 INFO L87 Difference]: Start difference. First operand 10303 states and 13690 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-11-07 01:29:32,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:29:32,276 INFO L93 Difference]: Finished difference Result 10303 states and 13690 transitions. [2021-11-07 01:29:32,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:29:32,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 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 37 [2021-11-07 01:29:32,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:29:32,312 INFO L225 Difference]: With dead ends: 10303 [2021-11-07 01:29:32,312 INFO L226 Difference]: Without dead ends: 10299 [2021-11-07 01:29:32,318 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:29:32,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10299 states. [2021-11-07 01:29:33,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10299 to 10299. [2021-11-07 01:29:33,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10299 states, 9764 states have (on average 1.368086849651782) internal successors, (13358), 10192 states have internal predecessors, (13358), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:29:33,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10299 states to 10299 states and 13686 transitions. [2021-11-07 01:29:33,117 INFO L78 Accepts]: Start accepts. Automaton has 10299 states and 13686 transitions. Word has length 37 [2021-11-07 01:29:33,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:29:33,119 INFO L470 AbstractCegarLoop]: Abstraction has 10299 states and 13686 transitions. [2021-11-07 01:29:33,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-11-07 01:29:33,120 INFO L276 IsEmpty]: Start isEmpty. Operand 10299 states and 13686 transitions. [2021-11-07 01:29:33,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-07 01:29:33,120 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:29:33,121 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] [2021-11-07 01:29:33,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:29:33,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:29:33,348 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:29:33,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:29:33,348 INFO L85 PathProgramCache]: Analyzing trace with hash -688670286, now seen corresponding path program 1 times [2021-11-07 01:29:33,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:29:33,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191776384] [2021-11-07 01:29:33,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:29:33,350 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:29:33,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:29:33,351 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:29:33,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:29:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:29:36,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 1247 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:29:36,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:29:37,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:29:37,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:29:37,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:29:37,643 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:29:37,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191776384] [2021-11-07 01:29:37,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191776384] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:29:37,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:29:37,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:29:37,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648024502] [2021-11-07 01:29:37,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:29:37,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:29:37,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:29:37,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:29:37,646 INFO L87 Difference]: Start difference. First operand 10299 states and 13686 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2021-11-07 01:29:38,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:29:38,785 INFO L93 Difference]: Finished difference Result 20556 states and 27327 transitions. [2021-11-07 01:29:38,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:29:38,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 [2021-11-07 01:29:38,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:29:38,820 INFO L225 Difference]: With dead ends: 20556 [2021-11-07 01:29:38,820 INFO L226 Difference]: Without dead ends: 10299 [2021-11-07 01:29:38,847 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:29:38,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10299 states. [2021-11-07 01:29:39,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10299 to 10299. [2021-11-07 01:29:39,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10299 states, 9764 states have (on average 1.3657312576812781) internal successors, (13335), 10192 states have internal predecessors, (13335), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:29:39,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10299 states to 10299 states and 13663 transitions. [2021-11-07 01:29:39,765 INFO L78 Accepts]: Start accepts. Automaton has 10299 states and 13663 transitions. Word has length 38 [2021-11-07 01:29:39,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:29:39,765 INFO L470 AbstractCegarLoop]: Abstraction has 10299 states and 13663 transitions. [2021-11-07 01:29:39,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2021-11-07 01:29:39,766 INFO L276 IsEmpty]: Start isEmpty. Operand 10299 states and 13663 transitions. [2021-11-07 01:29:39,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 01:29:39,766 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:29:39,767 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] [2021-11-07 01:29:39,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:29:39,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:29:39,980 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr236ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:29:39,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:29:39,980 INFO L85 PathProgramCache]: Analyzing trace with hash 897110452, now seen corresponding path program 1 times [2021-11-07 01:29:39,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:29:39,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651549679] [2021-11-07 01:29:39,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:29:39,983 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:29:39,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:29:39,984 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:29:39,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 01:29:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:29:43,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:29:43,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:29:43,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:29:43,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:29:43,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:29:43,992 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:29:43,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651549679] [2021-11-07 01:29:43,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651549679] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:29:43,993 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:29:43,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:29:43,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011625434] [2021-11-07 01:29:43,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:29:43,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:29:43,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:29:43,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:29:43,995 INFO L87 Difference]: Start difference. First operand 10299 states and 13663 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 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) [2021-11-07 01:29:44,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:29:44,643 INFO L93 Difference]: Finished difference Result 10299 states and 13663 transitions. [2021-11-07 01:29:44,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:29:44,643 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 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 39 [2021-11-07 01:29:44,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:29:44,671 INFO L225 Difference]: With dead ends: 10299 [2021-11-07 01:29:44,672 INFO L226 Difference]: Without dead ends: 10295 [2021-11-07 01:29:44,679 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:29:44,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10295 states. [2021-11-07 01:29:45,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10295 to 10295. [2021-11-07 01:29:45,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10295 states, 9762 states have (on average 1.36560131120672) internal successors, (13331), 10188 states have internal predecessors, (13331), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:29:45,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10295 states to 10295 states and 13659 transitions. [2021-11-07 01:29:45,570 INFO L78 Accepts]: Start accepts. Automaton has 10295 states and 13659 transitions. Word has length 39 [2021-11-07 01:29:45,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:29:45,571 INFO L470 AbstractCegarLoop]: Abstraction has 10295 states and 13659 transitions. [2021-11-07 01:29:45,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 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) [2021-11-07 01:29:45,571 INFO L276 IsEmpty]: Start isEmpty. Operand 10295 states and 13659 transitions. [2021-11-07 01:29:45,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-07 01:29:45,572 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:29:45,572 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] [2021-11-07 01:29:45,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:29:45,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:29:45,788 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:29:45,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:29:45,788 INFO L85 PathProgramCache]: Analyzing trace with hash -622242131, now seen corresponding path program 1 times [2021-11-07 01:29:45,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:29:45,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [620430452] [2021-11-07 01:29:45,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:29:45,791 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:29:45,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:29:45,793 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:29:45,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-07 01:29:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:29:49,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:29:49,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:29:49,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:29:49,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:29:49,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:29:49,539 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:29:49,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [620430452] [2021-11-07 01:29:49,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [620430452] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:29:49,539 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:29:49,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:29:49,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674028130] [2021-11-07 01:29:49,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:29:49,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:29:49,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:29:49,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:29:49,542 INFO L87 Difference]: Start difference. First operand 10295 states and 13659 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) [2021-11-07 01:29:51,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:29:51,780 INFO L93 Difference]: Finished difference Result 20545 states and 27270 transitions. [2021-11-07 01:29:51,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:29:51,782 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 40 [2021-11-07 01:29:51,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:29:51,809 INFO L225 Difference]: With dead ends: 20545 [2021-11-07 01:29:51,809 INFO L226 Difference]: Without dead ends: 10292 [2021-11-07 01:29:51,831 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:29:51,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10292 states. [2021-11-07 01:29:52,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10292 to 10292. [2021-11-07 01:29:52,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10292 states, 9760 states have (on average 1.3654713114754098) internal successors, (13327), 10185 states have internal predecessors, (13327), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:29:52,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10292 states to 10292 states and 13655 transitions. [2021-11-07 01:29:52,542 INFO L78 Accepts]: Start accepts. Automaton has 10292 states and 13655 transitions. Word has length 40 [2021-11-07 01:29:52,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:29:52,542 INFO L470 AbstractCegarLoop]: Abstraction has 10292 states and 13655 transitions. [2021-11-07 01:29:52,542 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) [2021-11-07 01:29:52,543 INFO L276 IsEmpty]: Start isEmpty. Operand 10292 states and 13655 transitions. [2021-11-07 01:29:52,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 01:29:52,543 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:29:52,543 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] [2021-11-07 01:29:52,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:29:52,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:29:52,744 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr237ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:29:52,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:29:52,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1164288232, now seen corresponding path program 1 times [2021-11-07 01:29:52,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:29:52,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369649802] [2021-11-07 01:29:52,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:29:52,747 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:29:52,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:29:52,748 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:29:52,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-07 01:29:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:29:56,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:29:56,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:29:56,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:29:56,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:29:56,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:29:56,855 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:29:56,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369649802] [2021-11-07 01:29:56,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [369649802] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:29:56,855 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:29:56,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:29:56,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573335411] [2021-11-07 01:29:56,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:29:56,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:29:56,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:29:56,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:29:56,859 INFO L87 Difference]: Start difference. First operand 10292 states and 13655 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2021-11-07 01:29:57,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:29:57,692 INFO L93 Difference]: Finished difference Result 10292 states and 13655 transitions. [2021-11-07 01:29:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:29:57,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 [2021-11-07 01:29:57,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:29:57,719 INFO L225 Difference]: With dead ends: 10292 [2021-11-07 01:29:57,720 INFO L226 Difference]: Without dead ends: 10288 [2021-11-07 01:29:57,726 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:29:57,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10288 states. [2021-11-07 01:29:58,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10288 to 10288. [2021-11-07 01:29:58,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10288 states, 9758 states have (on average 1.3653412584546014) internal successors, (13323), 10181 states have internal predecessors, (13323), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:29:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10288 states to 10288 states and 13651 transitions. [2021-11-07 01:29:58,452 INFO L78 Accepts]: Start accepts. Automaton has 10288 states and 13651 transitions. Word has length 41 [2021-11-07 01:29:58,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:29:58,452 INFO L470 AbstractCegarLoop]: Abstraction has 10288 states and 13651 transitions. [2021-11-07 01:29:58,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2021-11-07 01:29:58,453 INFO L276 IsEmpty]: Start isEmpty. Operand 10288 states and 13651 transitions. [2021-11-07 01:29:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-07 01:29:58,453 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:29:58,453 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:29:58,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:29:58,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:29:58,654 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr238ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:29:58,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:29:58,655 INFO L85 PathProgramCache]: Analyzing trace with hash 2106467548, now seen corresponding path program 1 times [2021-11-07 01:29:58,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:29:58,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896390807] [2021-11-07 01:29:58,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:29:58,657 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:29:58,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:29:58,658 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:29:58,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 01:30:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:30:02,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:30:02,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:30:02,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:02,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:30:02,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:02,930 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:30:02,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1896390807] [2021-11-07 01:30:02,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1896390807] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:30:02,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:30:02,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:30:02,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500356610] [2021-11-07 01:30:02,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:30:02,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:30:02,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:30:02,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:30:02,933 INFO L87 Difference]: Start difference. First operand 10288 states and 13651 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 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) [2021-11-07 01:30:03,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:30:03,813 INFO L93 Difference]: Finished difference Result 10288 states and 13651 transitions. [2021-11-07 01:30:03,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:30:03,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 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 43 [2021-11-07 01:30:03,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:30:03,835 INFO L225 Difference]: With dead ends: 10288 [2021-11-07 01:30:03,835 INFO L226 Difference]: Without dead ends: 10284 [2021-11-07 01:30:03,839 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:30:03,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10284 states. [2021-11-07 01:30:04,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10284 to 10284. [2021-11-07 01:30:04,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10284 states, 9756 states have (on average 1.365211152111521) internal successors, (13319), 10177 states have internal predecessors, (13319), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:30:04,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10284 states to 10284 states and 13647 transitions. [2021-11-07 01:30:04,648 INFO L78 Accepts]: Start accepts. Automaton has 10284 states and 13647 transitions. Word has length 43 [2021-11-07 01:30:04,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:30:04,649 INFO L470 AbstractCegarLoop]: Abstraction has 10284 states and 13647 transitions. [2021-11-07 01:30:04,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 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) [2021-11-07 01:30:04,650 INFO L276 IsEmpty]: Start isEmpty. Operand 10284 states and 13647 transitions. [2021-11-07 01:30:04,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-07 01:30:04,650 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:30:04,651 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] [2021-11-07 01:30:04,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-07 01:30:04,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:30:04,864 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:30:04,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:30:04,864 INFO L85 PathProgramCache]: Analyzing trace with hash 189542770, now seen corresponding path program 1 times [2021-11-07 01:30:04,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:30:04,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [320002036] [2021-11-07 01:30:04,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:30:04,867 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:30:04,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:30:04,868 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:30:04,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-07 01:30:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:30:08,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:30:08,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:30:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:08,733 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:30:08,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:08,891 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:30:08,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [320002036] [2021-11-07 01:30:08,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [320002036] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:30:08,891 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:30:08,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:30:08,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769571773] [2021-11-07 01:30:08,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:30:08,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:30:08,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:30:08,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:30:08,893 INFO L87 Difference]: Start difference. First operand 10284 states and 13647 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) [2021-11-07 01:30:09,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:30:09,986 INFO L93 Difference]: Finished difference Result 20523 states and 27246 transitions. [2021-11-07 01:30:09,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:30:09,989 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 43 [2021-11-07 01:30:09,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:30:10,014 INFO L225 Difference]: With dead ends: 20523 [2021-11-07 01:30:10,014 INFO L226 Difference]: Without dead ends: 10281 [2021-11-07 01:30:10,043 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:30:10,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10281 states. [2021-11-07 01:30:11,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10281 to 10281. [2021-11-07 01:30:11,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10281 states, 9754 states have (on average 1.3650809924133689) internal successors, (13315), 10174 states have internal predecessors, (13315), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:30:11,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10281 states to 10281 states and 13643 transitions. [2021-11-07 01:30:11,164 INFO L78 Accepts]: Start accepts. Automaton has 10281 states and 13643 transitions. Word has length 43 [2021-11-07 01:30:11,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:30:11,164 INFO L470 AbstractCegarLoop]: Abstraction has 10281 states and 13643 transitions. [2021-11-07 01:30:11,164 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) [2021-11-07 01:30:11,164 INFO L276 IsEmpty]: Start isEmpty. Operand 10281 states and 13643 transitions. [2021-11-07 01:30:11,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-07 01:30:11,165 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:30:11,165 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] [2021-11-07 01:30:11,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2021-11-07 01:30:11,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:30:11,366 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr239ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:30:11,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:30:11,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1386711808, now seen corresponding path program 1 times [2021-11-07 01:30:11,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:30:11,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556972424] [2021-11-07 01:30:11,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:30:11,369 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:30:11,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:30:11,370 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:30:11,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-07 01:30:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:30:14,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 1136 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:30:14,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:30:15,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:15,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:30:15,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:15,704 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:30:15,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556972424] [2021-11-07 01:30:15,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556972424] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:30:15,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:30:15,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:30:15,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088044112] [2021-11-07 01:30:15,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:30:15,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:30:15,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:30:15,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:30:15,707 INFO L87 Difference]: Start difference. First operand 10281 states and 13643 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) [2021-11-07 01:30:16,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:30:16,797 INFO L93 Difference]: Finished difference Result 10281 states and 13643 transitions. [2021-11-07 01:30:16,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:30:16,797 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 45 [2021-11-07 01:30:16,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:30:16,819 INFO L225 Difference]: With dead ends: 10281 [2021-11-07 01:30:16,820 INFO L226 Difference]: Without dead ends: 10277 [2021-11-07 01:30:16,826 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:30:16,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10277 states. [2021-11-07 01:30:17,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10277 to 10277. [2021-11-07 01:30:17,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10277 states, 9752 states have (on average 1.3649507793273175) internal successors, (13311), 10170 states have internal predecessors, (13311), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:30:17,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10277 states to 10277 states and 13639 transitions. [2021-11-07 01:30:17,625 INFO L78 Accepts]: Start accepts. Automaton has 10277 states and 13639 transitions. Word has length 45 [2021-11-07 01:30:17,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:30:17,625 INFO L470 AbstractCegarLoop]: Abstraction has 10277 states and 13639 transitions. [2021-11-07 01:30:17,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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) [2021-11-07 01:30:17,626 INFO L276 IsEmpty]: Start isEmpty. Operand 10277 states and 13639 transitions. [2021-11-07 01:30:17,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 01:30:17,627 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:30:17,627 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] [2021-11-07 01:30:17,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-07 01:30:17,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:30:17,840 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr240ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:30:17,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:30:17,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1191180676, now seen corresponding path program 1 times [2021-11-07 01:30:17,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:30:17,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1997951472] [2021-11-07 01:30:17,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:30:17,844 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:30:17,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:30:17,845 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:30:17,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-07 01:30:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:30:21,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:30:21,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:30:21,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:21,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:30:22,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:22,227 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:30:22,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1997951472] [2021-11-07 01:30:22,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1997951472] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:30:22,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:30:22,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:30:22,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979138536] [2021-11-07 01:30:22,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:30:22,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:30:22,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:30:22,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:30:22,233 INFO L87 Difference]: Start difference. First operand 10277 states and 13639 transitions. Second operand has 5 states, 5 states have (on average 9.8) 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) [2021-11-07 01:30:23,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:30:23,057 INFO L93 Difference]: Finished difference Result 10277 states and 13639 transitions. [2021-11-07 01:30:23,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:30:23,058 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) 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 47 [2021-11-07 01:30:23,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:30:23,079 INFO L225 Difference]: With dead ends: 10277 [2021-11-07 01:30:23,079 INFO L226 Difference]: Without dead ends: 10273 [2021-11-07 01:30:23,083 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:30:23,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10273 states. [2021-11-07 01:30:23,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10273 to 10273. [2021-11-07 01:30:23,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10273 states, 9750 states have (on average 1.3648205128205129) internal successors, (13307), 10166 states have internal predecessors, (13307), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:30:23,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10273 states to 10273 states and 13635 transitions. [2021-11-07 01:30:23,894 INFO L78 Accepts]: Start accepts. Automaton has 10273 states and 13635 transitions. Word has length 47 [2021-11-07 01:30:23,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:30:23,894 INFO L470 AbstractCegarLoop]: Abstraction has 10273 states and 13635 transitions. [2021-11-07 01:30:23,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) 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) [2021-11-07 01:30:23,894 INFO L276 IsEmpty]: Start isEmpty. Operand 10273 states and 13635 transitions. [2021-11-07 01:30:23,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 01:30:23,895 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:30:23,895 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] [2021-11-07 01:30:23,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-07 01:30:24,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:30:24,096 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr241ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:30:24,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:30:24,096 INFO L85 PathProgramCache]: Analyzing trace with hash -2030643096, now seen corresponding path program 1 times [2021-11-07 01:30:24,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:30:24,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [912366189] [2021-11-07 01:30:24,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:30:24,099 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:30:24,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:30:24,100 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:30:24,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-07 01:30:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:30:27,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:30:27,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:30:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:28,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:30:28,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:28,613 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:30:28,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [912366189] [2021-11-07 01:30:28,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [912366189] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:30:28,614 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:30:28,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:30:28,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66708091] [2021-11-07 01:30:28,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:30:28,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:30:28,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:30:28,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:30:28,616 INFO L87 Difference]: Start difference. First operand 10273 states and 13635 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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) [2021-11-07 01:30:29,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:30:29,486 INFO L93 Difference]: Finished difference Result 10273 states and 13635 transitions. [2021-11-07 01:30:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:30:29,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 49 [2021-11-07 01:30:29,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:30:29,507 INFO L225 Difference]: With dead ends: 10273 [2021-11-07 01:30:29,507 INFO L226 Difference]: Without dead ends: 10269 [2021-11-07 01:30:29,512 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:30:29,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10269 states. [2021-11-07 01:30:30,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10269 to 10269. [2021-11-07 01:30:30,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10269 states, 9748 states have (on average 1.3646901928600739) internal successors, (13303), 10162 states have internal predecessors, (13303), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:30:30,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10269 states to 10269 states and 13631 transitions. [2021-11-07 01:30:30,349 INFO L78 Accepts]: Start accepts. Automaton has 10269 states and 13631 transitions. Word has length 49 [2021-11-07 01:30:30,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:30:30,349 INFO L470 AbstractCegarLoop]: Abstraction has 10269 states and 13631 transitions. [2021-11-07 01:30:30,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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) [2021-11-07 01:30:30,349 INFO L276 IsEmpty]: Start isEmpty. Operand 10269 states and 13631 transitions. [2021-11-07 01:30:30,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 01:30:30,350 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:30:30,350 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] [2021-11-07 01:30:30,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-07 01:30:30,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:30:30,551 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:30:30,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:30:30,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1488126493, now seen corresponding path program 1 times [2021-11-07 01:30:30,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:30:30,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [626076931] [2021-11-07 01:30:30,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:30:30,554 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:30:30,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:30:30,555 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:30:30,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-07 01:30:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:30:34,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 1338 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:30:34,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:30:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:34,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:30:35,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:35,248 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:30:35,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [626076931] [2021-11-07 01:30:35,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [626076931] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:30:35,249 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:30:35,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:30:35,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129425407] [2021-11-07 01:30:35,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:30:35,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:30:35,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:30:35,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:30:35,251 INFO L87 Difference]: Start difference. First operand 10269 states and 13631 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 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) [2021-11-07 01:30:49,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:30:49,531 INFO L93 Difference]: Finished difference Result 49382 states and 66075 transitions. [2021-11-07 01:30:49,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:30:49,532 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 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 50 [2021-11-07 01:30:49,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:30:49,631 INFO L225 Difference]: With dead ends: 49382 [2021-11-07 01:30:49,632 INFO L226 Difference]: Without dead ends: 39155 [2021-11-07 01:30:49,669 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:30:49,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39155 states. [2021-11-07 01:30:51,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39155 to 10338. [2021-11-07 01:30:51,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10338 states, 9817 states have (on average 1.362126922685138) internal successors, (13372), 10231 states have internal predecessors, (13372), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:30:51,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10338 states to 10338 states and 13700 transitions. [2021-11-07 01:30:51,772 INFO L78 Accepts]: Start accepts. Automaton has 10338 states and 13700 transitions. Word has length 50 [2021-11-07 01:30:51,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:30:51,773 INFO L470 AbstractCegarLoop]: Abstraction has 10338 states and 13700 transitions. [2021-11-07 01:30:51,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 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) [2021-11-07 01:30:51,773 INFO L276 IsEmpty]: Start isEmpty. Operand 10338 states and 13700 transitions. [2021-11-07 01:30:51,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 01:30:51,774 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:30:51,774 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] [2021-11-07 01:30:51,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-07 01:30:51,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:30:51,975 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr242ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:30:51,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:30:51,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1531867220, now seen corresponding path program 1 times [2021-11-07 01:30:51,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:30:51,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455069571] [2021-11-07 01:30:51,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:30:51,978 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:30:51,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:30:51,979 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:30:51,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-07 01:30:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:30:55,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 1145 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:30:55,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:30:56,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:56,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:30:57,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:30:57,082 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:30:57,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455069571] [2021-11-07 01:30:57,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455069571] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:30:57,083 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:30:57,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-07 01:30:57,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818541382] [2021-11-07 01:30:57,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:30:57,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:30:57,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:30:57,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:30:57,085 INFO L87 Difference]: Start difference. First operand 10338 states and 13700 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 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) [2021-11-07 01:30:59,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:30:59,649 INFO L93 Difference]: Finished difference Result 10338 states and 13700 transitions. [2021-11-07 01:30:59,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:30:59,650 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 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 51 [2021-11-07 01:30:59,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:30:59,668 INFO L225 Difference]: With dead ends: 10338 [2021-11-07 01:30:59,669 INFO L226 Difference]: Without dead ends: 10334 [2021-11-07 01:30:59,671 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:30:59,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10334 states. [2021-11-07 01:31:00,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10334 to 10334. [2021-11-07 01:31:00,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10334 states, 9815 states have (on average 1.361996943453897) internal successors, (13368), 10227 states have internal predecessors, (13368), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:31:01,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10334 states to 10334 states and 13696 transitions. [2021-11-07 01:31:01,008 INFO L78 Accepts]: Start accepts. Automaton has 10334 states and 13696 transitions. Word has length 51 [2021-11-07 01:31:01,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:31:01,008 INFO L470 AbstractCegarLoop]: Abstraction has 10334 states and 13696 transitions. [2021-11-07 01:31:01,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 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) [2021-11-07 01:31:01,009 INFO L276 IsEmpty]: Start isEmpty. Operand 10334 states and 13696 transitions. [2021-11-07 01:31:01,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-07 01:31:01,011 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:31:01,012 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] [2021-11-07 01:31:01,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-07 01:31:01,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:31:01,219 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr313ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:31:01,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:31:01,219 INFO L85 PathProgramCache]: Analyzing trace with hash 746706165, now seen corresponding path program 1 times [2021-11-07 01:31:01,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:31:01,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091936806] [2021-11-07 01:31:01,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:31:01,222 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:31:01,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:31:01,223 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:31:01,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-07 01:31:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:31:04,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 1265 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:31:04,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:31:05,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:31:05,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:31:05,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:31:05,787 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:31:05,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091936806] [2021-11-07 01:31:05,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091936806] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:31:05,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:31:05,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:31:05,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670406898] [2021-11-07 01:31:05,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:31:05,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:31:05,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:31:05,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:31:05,790 INFO L87 Difference]: Start difference. First operand 10334 states and 13696 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) [2021-11-07 01:31:13,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:31:13,477 INFO L93 Difference]: Finished difference Result 13578 states and 17966 transitions. [2021-11-07 01:31:13,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:31:13,478 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 [2021-11-07 01:31:13,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:31:13,513 INFO L225 Difference]: With dead ends: 13578 [2021-11-07 01:31:13,513 INFO L226 Difference]: Without dead ends: 13530 [2021-11-07 01:31:13,517 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:31:13,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13530 states. [2021-11-07 01:31:15,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13530 to 10286. [2021-11-07 01:31:15,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10286 states, 9791 states have (on average 1.3604330507609028) internal successors, (13320), 10179 states have internal predecessors, (13320), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:31:15,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10286 states to 10286 states and 13648 transitions. [2021-11-07 01:31:15,062 INFO L78 Accepts]: Start accepts. Automaton has 10286 states and 13648 transitions. Word has length 52 [2021-11-07 01:31:15,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:31:15,063 INFO L470 AbstractCegarLoop]: Abstraction has 10286 states and 13648 transitions. [2021-11-07 01:31:15,063 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) [2021-11-07 01:31:15,063 INFO L276 IsEmpty]: Start isEmpty. Operand 10286 states and 13648 transitions. [2021-11-07 01:31:15,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 01:31:15,064 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:31:15,064 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] [2021-11-07 01:31:15,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-07 01:31:15,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:31:15,268 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr243ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:31:15,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:31:15,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1050380112, now seen corresponding path program 1 times [2021-11-07 01:31:15,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:31:15,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1944991009] [2021-11-07 01:31:15,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:31:15,271 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:31:15,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:31:15,274 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:31:15,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-07 01:31:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:31:19,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:31:19,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:31:19,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:31:19,546 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:31:19,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:31:19,988 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:31:19,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1944991009] [2021-11-07 01:31:19,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1944991009] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:31:19,989 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:31:19,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:31:19,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42927996] [2021-11-07 01:31:19,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:31:19,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:31:19,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:31:19,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:31:19,991 INFO L87 Difference]: Start difference. First operand 10286 states and 13648 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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) [2021-11-07 01:31:21,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:31:21,566 INFO L93 Difference]: Finished difference Result 10286 states and 13648 transitions. [2021-11-07 01:31:21,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:31:21,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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 53 [2021-11-07 01:31:21,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:31:21,587 INFO L225 Difference]: With dead ends: 10286 [2021-11-07 01:31:21,588 INFO L226 Difference]: Without dead ends: 10282 [2021-11-07 01:31:21,592 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:31:21,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10282 states. [2021-11-07 01:31:23,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10282 to 10282. [2021-11-07 01:31:23,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10282 states, 9789 states have (on average 1.360302380222699) internal successors, (13316), 10175 states have internal predecessors, (13316), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:31:23,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10282 states to 10282 states and 13644 transitions. [2021-11-07 01:31:23,109 INFO L78 Accepts]: Start accepts. Automaton has 10282 states and 13644 transitions. Word has length 53 [2021-11-07 01:31:23,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:31:23,110 INFO L470 AbstractCegarLoop]: Abstraction has 10282 states and 13644 transitions. [2021-11-07 01:31:23,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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) [2021-11-07 01:31:23,110 INFO L276 IsEmpty]: Start isEmpty. Operand 10282 states and 13644 transitions. [2021-11-07 01:31:23,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-07 01:31:23,110 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:31:23,111 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] [2021-11-07 01:31:23,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-07 01:31:23,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:31:23,311 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr244ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:31:23,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:31:23,312 INFO L85 PathProgramCache]: Analyzing trace with hash 98969428, now seen corresponding path program 1 times [2021-11-07 01:31:23,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:31:23,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [552629863] [2021-11-07 01:31:23,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:31:23,314 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:31:23,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:31:23,315 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:31:23,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-07 01:31:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:31:27,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:31:27,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:31:27,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:31:27,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:31:28,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:31:28,122 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:31:28,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [552629863] [2021-11-07 01:31:28,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [552629863] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:31:28,122 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:31:28,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:31:28,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254463414] [2021-11-07 01:31:28,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:31:28,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:31:28,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:31:28,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:31:28,124 INFO L87 Difference]: Start difference. First operand 10282 states and 13644 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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) [2021-11-07 01:31:29,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:31:29,844 INFO L93 Difference]: Finished difference Result 10282 states and 13644 transitions. [2021-11-07 01:31:29,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:31:29,845 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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 55 [2021-11-07 01:31:29,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:31:29,864 INFO L225 Difference]: With dead ends: 10282 [2021-11-07 01:31:29,864 INFO L226 Difference]: Without dead ends: 10278 [2021-11-07 01:31:29,868 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:31:29,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10278 states. [2021-11-07 01:31:31,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10278 to 10278. [2021-11-07 01:31:31,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10278 states, 9787 states have (on average 1.3601716562787372) internal successors, (13312), 10171 states have internal predecessors, (13312), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:31:31,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10278 states to 10278 states and 13640 transitions. [2021-11-07 01:31:31,427 INFO L78 Accepts]: Start accepts. Automaton has 10278 states and 13640 transitions. Word has length 55 [2021-11-07 01:31:31,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:31:31,427 INFO L470 AbstractCegarLoop]: Abstraction has 10278 states and 13640 transitions. [2021-11-07 01:31:31,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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) [2021-11-07 01:31:31,428 INFO L276 IsEmpty]: Start isEmpty. Operand 10278 states and 13640 transitions. [2021-11-07 01:31:31,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-07 01:31:31,428 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:31:31,429 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] [2021-11-07 01:31:31,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-07 01:31:31,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:31:31,656 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr314ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:31:31,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:31:31,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1523466877, now seen corresponding path program 1 times [2021-11-07 01:31:31,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:31:31,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087273402] [2021-11-07 01:31:31,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:31:31,659 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:31:31,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:31:31,660 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:31:31,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-07 01:31:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:31:35,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:31:35,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:31:35,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:31:35,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:31:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:31:36,105 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:31:36,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087273402] [2021-11-07 01:31:36,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2087273402] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:31:36,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:31:36,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:31:36,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988961628] [2021-11-07 01:31:36,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:31:36,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:31:36,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:31:36,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:31:36,107 INFO L87 Difference]: Start difference. First operand 10278 states and 13640 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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) [2021-11-07 01:31:47,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:31:47,897 INFO L93 Difference]: Finished difference Result 18039 states and 24327 transitions. [2021-11-07 01:31:47,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:31:47,898 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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 55 [2021-11-07 01:31:47,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:31:47,933 INFO L225 Difference]: With dead ends: 18039 [2021-11-07 01:31:47,933 INFO L226 Difference]: Without dead ends: 17991 [2021-11-07 01:31:47,939 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:31:47,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17991 states. [2021-11-07 01:31:49,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17991 to 10230. [2021-11-07 01:31:49,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10230 states, 9763 states have (on average 1.3585987913551163) internal successors, (13264), 10123 states have internal predecessors, (13264), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:31:49,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10230 states to 10230 states and 13592 transitions. [2021-11-07 01:31:49,727 INFO L78 Accepts]: Start accepts. Automaton has 10230 states and 13592 transitions. Word has length 55 [2021-11-07 01:31:49,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:31:49,727 INFO L470 AbstractCegarLoop]: Abstraction has 10230 states and 13592 transitions. [2021-11-07 01:31:49,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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) [2021-11-07 01:31:49,727 INFO L276 IsEmpty]: Start isEmpty. Operand 10230 states and 13592 transitions. [2021-11-07 01:31:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 01:31:49,728 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:31:49,728 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] [2021-11-07 01:31:49,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-07 01:31:49,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:31:49,929 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr245ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:31:49,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:31:49,929 INFO L85 PathProgramCache]: Analyzing trace with hash 621336504, now seen corresponding path program 1 times [2021-11-07 01:31:49,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:31:49,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1750474115] [2021-11-07 01:31:49,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:31:49,932 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:31:49,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:31:49,933 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:31:49,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-07 01:31:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:31:53,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 1154 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:31:53,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:31:54,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:31:54,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:31:54,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:31:54,721 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:31:54,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1750474115] [2021-11-07 01:31:54,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1750474115] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:31:54,722 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:31:54,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:31:54,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811567002] [2021-11-07 01:31:54,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:31:54,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:31:54,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:31:54,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:31:54,724 INFO L87 Difference]: Start difference. First operand 10230 states and 13592 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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) [2021-11-07 01:31:56,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:31:56,269 INFO L93 Difference]: Finished difference Result 10230 states and 13592 transitions. [2021-11-07 01:31:56,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:31:56,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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 57 [2021-11-07 01:31:56,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:31:56,288 INFO L225 Difference]: With dead ends: 10230 [2021-11-07 01:31:56,288 INFO L226 Difference]: Without dead ends: 10226 [2021-11-07 01:31:56,293 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:31:56,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10226 states. [2021-11-07 01:31:58,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10226 to 10226. [2021-11-07 01:31:58,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10226 states, 9761 states have (on average 1.3584673701465013) internal successors, (13260), 10119 states have internal predecessors, (13260), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:31:58,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10226 states to 10226 states and 13588 transitions. [2021-11-07 01:31:58,045 INFO L78 Accepts]: Start accepts. Automaton has 10226 states and 13588 transitions. Word has length 57 [2021-11-07 01:31:58,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:31:58,045 INFO L470 AbstractCegarLoop]: Abstraction has 10226 states and 13588 transitions. [2021-11-07 01:31:58,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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) [2021-11-07 01:31:58,046 INFO L276 IsEmpty]: Start isEmpty. Operand 10226 states and 13588 transitions. [2021-11-07 01:31:58,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-07 01:31:58,047 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:31:58,047 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] [2021-11-07 01:31:58,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-07 01:31:58,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:31:58,250 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr246ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:31:58,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:31:58,250 INFO L85 PathProgramCache]: Analyzing trace with hash 104923260, now seen corresponding path program 1 times [2021-11-07 01:31:58,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:31:58,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97490523] [2021-11-07 01:31:58,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:31:58,253 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:31:58,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:31:58,254 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:31:58,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-07 01:32:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:32:02,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:32:02,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:32:02,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:32:02,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:32:03,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:32:03,045 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:32:03,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [97490523] [2021-11-07 01:32:03,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [97490523] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:32:03,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:32:03,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:32:03,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814234068] [2021-11-07 01:32:03,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:32:03,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:32:03,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:32:03,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:32:03,047 INFO L87 Difference]: Start difference. First operand 10226 states and 13588 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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) [2021-11-07 01:32:04,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:32:04,785 INFO L93 Difference]: Finished difference Result 10226 states and 13588 transitions. [2021-11-07 01:32:04,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:32:04,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 59 [2021-11-07 01:32:04,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:32:04,806 INFO L225 Difference]: With dead ends: 10226 [2021-11-07 01:32:04,806 INFO L226 Difference]: Without dead ends: 10222 [2021-11-07 01:32:04,810 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:32:04,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10222 states. [2021-11-07 01:32:06,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10222 to 10222. [2021-11-07 01:32:06,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10222 states, 9759 states have (on average 1.3583358950712163) internal successors, (13256), 10115 states have internal predecessors, (13256), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:32:06,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10222 states to 10222 states and 13584 transitions. [2021-11-07 01:32:06,649 INFO L78 Accepts]: Start accepts. Automaton has 10222 states and 13584 transitions. Word has length 59 [2021-11-07 01:32:06,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:32:06,649 INFO L470 AbstractCegarLoop]: Abstraction has 10222 states and 13584 transitions. [2021-11-07 01:32:06,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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) [2021-11-07 01:32:06,649 INFO L276 IsEmpty]: Start isEmpty. Operand 10222 states and 13584 transitions. [2021-11-07 01:32:06,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-07 01:32:06,650 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:32:06,650 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] [2021-11-07 01:32:06,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (28)] Ended with exit code 0 [2021-11-07 01:32:06,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:32:06,851 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr247ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:32:06,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:32:06,852 INFO L85 PathProgramCache]: Analyzing trace with hash 2048002464, now seen corresponding path program 1 times [2021-11-07 01:32:06,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:32:06,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1765272568] [2021-11-07 01:32:06,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:32:06,854 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:32:06,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:32:06,856 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:32:06,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-07 01:32:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:32:10,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:32:10,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:32:11,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:32:11,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:32:11,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:32:11,610 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:32:11,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1765272568] [2021-11-07 01:32:11,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1765272568] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:32:11,610 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:32:11,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:32:11,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736142948] [2021-11-07 01:32:11,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:32:11,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:32:11,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:32:11,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:32:11,612 INFO L87 Difference]: Start difference. First operand 10222 states and 13584 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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) [2021-11-07 01:32:13,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:32:13,434 INFO L93 Difference]: Finished difference Result 10222 states and 13584 transitions. [2021-11-07 01:32:13,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:32:13,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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 61 [2021-11-07 01:32:13,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:32:13,454 INFO L225 Difference]: With dead ends: 10222 [2021-11-07 01:32:13,455 INFO L226 Difference]: Without dead ends: 10218 [2021-11-07 01:32:13,459 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:32:13,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10218 states. [2021-11-07 01:32:15,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10218 to 10218. [2021-11-07 01:32:15,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10218 states, 9757 states have (on average 1.358204366096136) internal successors, (13252), 10111 states have internal predecessors, (13252), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:32:15,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10218 states to 10218 states and 13580 transitions. [2021-11-07 01:32:15,410 INFO L78 Accepts]: Start accepts. Automaton has 10218 states and 13580 transitions. Word has length 61 [2021-11-07 01:32:15,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:32:15,411 INFO L470 AbstractCegarLoop]: Abstraction has 10218 states and 13580 transitions. [2021-11-07 01:32:15,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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) [2021-11-07 01:32:15,411 INFO L276 IsEmpty]: Start isEmpty. Operand 10218 states and 13580 transitions. [2021-11-07 01:32:15,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-07 01:32:15,412 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:32:15,412 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] [2021-11-07 01:32:15,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-07 01:32:15,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:32:15,635 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr248ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:32:15,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:32:15,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1036344100, now seen corresponding path program 1 times [2021-11-07 01:32:15,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:32:15,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1697507775] [2021-11-07 01:32:15,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:32:15,639 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:32:15,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:32:15,640 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:32:15,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-07 01:32:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:32:19,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 1163 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:32:19,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:32:19,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:32:19,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:32:20,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:32:20,100 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:32:20,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1697507775] [2021-11-07 01:32:20,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1697507775] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:32:20,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:32:20,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:32:20,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50161153] [2021-11-07 01:32:20,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:32:20,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:32:20,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:32:20,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:32:20,102 INFO L87 Difference]: Start difference. First operand 10218 states and 13580 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 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) [2021-11-07 01:32:21,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:32:21,625 INFO L93 Difference]: Finished difference Result 10218 states and 13580 transitions. [2021-11-07 01:32:21,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:32:21,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 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 63 [2021-11-07 01:32:21,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:32:21,652 INFO L225 Difference]: With dead ends: 10218 [2021-11-07 01:32:21,652 INFO L226 Difference]: Without dead ends: 10071 [2021-11-07 01:32:21,659 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:32:21,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10071 states. [2021-11-07 01:32:23,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10071 to 10071. [2021-11-07 01:32:23,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10071 states, 9612 states have (on average 1.3625676238035789) internal successors, (13097), 9964 states have internal predecessors, (13097), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:32:23,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10071 states to 10071 states and 13425 transitions. [2021-11-07 01:32:23,571 INFO L78 Accepts]: Start accepts. Automaton has 10071 states and 13425 transitions. Word has length 63 [2021-11-07 01:32:23,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:32:23,571 INFO L470 AbstractCegarLoop]: Abstraction has 10071 states and 13425 transitions. [2021-11-07 01:32:23,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 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) [2021-11-07 01:32:23,571 INFO L276 IsEmpty]: Start isEmpty. Operand 10071 states and 13425 transitions. [2021-11-07 01:32:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-07 01:32:23,572 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:32:23,572 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] [2021-11-07 01:32:23,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-07 01:32:23,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:32:23,773 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr226ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:32:23,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:32:23,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1314198861, now seen corresponding path program 1 times [2021-11-07 01:32:23,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:32:23,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2069605901] [2021-11-07 01:32:23,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:32:23,776 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:32:23,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:32:23,777 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:32:23,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-07 01:32:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:32:28,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-07 01:32:28,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:32:28,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:32:28,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:32:28,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:32:28,997 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:32:28,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2069605901] [2021-11-07 01:32:28,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2069605901] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:32:28,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:32:28,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 11 [2021-11-07 01:32:28,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624137402] [2021-11-07 01:32:28,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 01:32:28,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:32:28,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 01:32:28,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:32:28,998 INFO L87 Difference]: Start difference. First operand 10071 states and 13425 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) [2021-11-07 01:32:38,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:32:38,112 INFO L93 Difference]: Finished difference Result 30676 states and 40947 transitions. [2021-11-07 01:32:38,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 01:32:38,113 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 [2021-11-07 01:32:38,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:32:38,154 INFO L225 Difference]: With dead ends: 30676 [2021-11-07 01:32:38,155 INFO L226 Difference]: Without dead ends: 20631 [2021-11-07 01:32:38,169 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2021-11-07 01:32:38,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20631 states. [2021-11-07 01:32:40,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20631 to 10086. [2021-11-07 01:32:40,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10086 states, 9627 states have (on average 1.362002700737509) internal successors, (13112), 9979 states have internal predecessors, (13112), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:32:40,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10086 states to 10086 states and 13440 transitions. [2021-11-07 01:32:40,100 INFO L78 Accepts]: Start accepts. Automaton has 10086 states and 13440 transitions. Word has length 66 [2021-11-07 01:32:40,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:32:40,100 INFO L470 AbstractCegarLoop]: Abstraction has 10086 states and 13440 transitions. [2021-11-07 01:32:40,101 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) [2021-11-07 01:32:40,101 INFO L276 IsEmpty]: Start isEmpty. Operand 10086 states and 13440 transitions. [2021-11-07 01:32:40,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-07 01:32:40,102 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:32:40,102 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] [2021-11-07 01:32:40,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-07 01:32:40,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:32:40,316 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:32:40,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:32:40,316 INFO L85 PathProgramCache]: Analyzing trace with hash -429536296, now seen corresponding path program 1 times [2021-11-07 01:32:40,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:32:40,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [846786182] [2021-11-07 01:32:40,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:32:40,319 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:32:40,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:32:40,320 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:32:40,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-07 01:32:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:32:44,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:32:45,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:32:45,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:32:45,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:32:45,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:32:45,360 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:32:45,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [846786182] [2021-11-07 01:32:45,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [846786182] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:32:45,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:32:45,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:32:45,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412697985] [2021-11-07 01:32:45,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:32:45,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:32:45,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:32:45,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:32:45,362 INFO L87 Difference]: Start difference. First operand 10086 states and 13440 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 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) [2021-11-07 01:32:59,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:32:59,034 INFO L93 Difference]: Finished difference Result 20352 states and 27105 transitions. [2021-11-07 01:32:59,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:32:59,035 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 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 68 [2021-11-07 01:32:59,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:32:59,056 INFO L225 Difference]: With dead ends: 20352 [2021-11-07 01:32:59,056 INFO L226 Difference]: Without dead ends: 10293 [2021-11-07 01:32:59,070 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:32:59,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10293 states. [2021-11-07 01:33:01,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10293 to 10293. [2021-11-07 01:33:01,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10293 states, 9834 states have (on average 1.3543827537116129) internal successors, (13319), 10186 states have internal predecessors, (13319), 164 states have call successors, (164), 17 states have call predecessors, (164), 17 states have return successors, (164), 142 states have call predecessors, (164), 164 states have call successors, (164) [2021-11-07 01:33:01,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10293 states to 10293 states and 13647 transitions. [2021-11-07 01:33:01,083 INFO L78 Accepts]: Start accepts. Automaton has 10293 states and 13647 transitions. Word has length 68 [2021-11-07 01:33:01,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:33:01,083 INFO L470 AbstractCegarLoop]: Abstraction has 10293 states and 13647 transitions. [2021-11-07 01:33:01,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 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) [2021-11-07 01:33:01,083 INFO L276 IsEmpty]: Start isEmpty. Operand 10293 states and 13647 transitions. [2021-11-07 01:33:01,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-07 01:33:01,084 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:33:01,085 INFO L513 BasicCegarLoop]: trace histogram [3, 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] [2021-11-07 01:33:01,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (32)] Ended with exit code 0 [2021-11-07 01:33:01,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:33:01,287 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:33:01,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:33:01,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1809059416, now seen corresponding path program 1 times [2021-11-07 01:33:01,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:33:01,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1234366658] [2021-11-07 01:33:01,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:33:01,290 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:33:01,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:33:01,291 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:33:01,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-07 01:33:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:33:06,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 1649 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:33:06,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:33:06,722 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:33:06,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:33:07,233 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:33:07,234 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:33:07,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1234366658] [2021-11-07 01:33:07,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1234366658] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:33:07,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [73836218] [2021-11-07 01:33:07,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:33:07,235 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:33:07,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:33:07,239 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:33:07,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2021-11-07 01:33:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:33:10,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 1649 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:33:10,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:33:11,420 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:33:11,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:33:12,110 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:33:12,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [73836218] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:33:12,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:33:12,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6, 6] total 13 [2021-11-07 01:33:12,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471533438] [2021-11-07 01:33:12,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:33:12,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:33:12,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:33:12,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:33:12,112 INFO L87 Difference]: Start difference. First operand 10293 states and 13647 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 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) [2021-11-07 01:33:19,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:33:19,643 INFO L93 Difference]: Finished difference Result 12228 states and 16149 transitions. [2021-11-07 01:33:19,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:33:19,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 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 82 [2021-11-07 01:33:19,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:33:19,711 INFO L225 Difference]: With dead ends: 12228 [2021-11-07 01:33:19,712 INFO L226 Difference]: Without dead ends: 12040 [2021-11-07 01:33:19,723 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:33:19,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12040 states. [2021-11-07 01:33:21,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12040 to 10656. [2021-11-07 01:33:21,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10656 states, 10185 states have (on average 1.3490427098674522) internal successors, (13740), 10492 states have internal predecessors, (13740), 254 states have call successors, (254), 33 states have call predecessors, (254), 33 states have return successors, (368), 234 states have call predecessors, (368), 254 states have call successors, (368) [2021-11-07 01:33:21,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10656 states to 10656 states and 14362 transitions. [2021-11-07 01:33:21,728 INFO L78 Accepts]: Start accepts. Automaton has 10656 states and 14362 transitions. Word has length 82 [2021-11-07 01:33:21,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:33:21,728 INFO L470 AbstractCegarLoop]: Abstraction has 10656 states and 14362 transitions. [2021-11-07 01:33:21,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 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) [2021-11-07 01:33:21,729 INFO L276 IsEmpty]: Start isEmpty. Operand 10656 states and 14362 transitions. [2021-11-07 01:33:21,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-07 01:33:21,731 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:33:21,731 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] [2021-11-07 01:33:21,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-07 01:33:21,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2021-11-07 01:33:22,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:33:22,140 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr295ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:33:22,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:33:22,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1869590637, now seen corresponding path program 1 times [2021-11-07 01:33:22,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:33:22,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1771089751] [2021-11-07 01:33:22,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:33:22,143 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:33:22,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:33:22,144 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:33:22,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-07 01:33:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:33:26,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 1484 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-07 01:33:26,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:33:27,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:33:27,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:33:28,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:33:28,073 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:33:28,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1771089751] [2021-11-07 01:33:28,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1771089751] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:33:28,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:33:28,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 15 [2021-11-07 01:33:28,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396088908] [2021-11-07 01:33:28,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-07 01:33:28,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:33:28,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-07 01:33:28,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:33:28,075 INFO L87 Difference]: Start difference. First operand 10656 states and 14362 transitions. Second operand has 15 states, 15 states have (on average 7.066666666666666) internal successors, (106), 15 states have internal predecessors, (106), 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) [2021-11-07 01:33:38,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:33:38,804 INFO L93 Difference]: Finished difference Result 24114 states and 32085 transitions. [2021-11-07 01:33:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 01:33:38,816 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.066666666666666) internal successors, (106), 15 states have internal predecessors, (106), 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 [2021-11-07 01:33:38,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:33:39,090 INFO L225 Difference]: With dead ends: 24114 [2021-11-07 01:33:39,090 INFO L226 Difference]: Without dead ends: 21917 [2021-11-07 01:33:39,101 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=348, Invalid=984, Unknown=0, NotChecked=0, Total=1332 [2021-11-07 01:33:39,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21917 states. [2021-11-07 01:33:42,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21917 to 10664. [2021-11-07 01:33:42,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10664 states, 10193 states have (on average 1.348768762876484) internal successors, (13748), 10500 states have internal predecessors, (13748), 254 states have call successors, (254), 33 states have call predecessors, (254), 33 states have return successors, (368), 234 states have call predecessors, (368), 254 states have call successors, (368) [2021-11-07 01:33:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10664 states to 10664 states and 14370 transitions. [2021-11-07 01:33:42,240 INFO L78 Accepts]: Start accepts. Automaton has 10664 states and 14370 transitions. Word has length 97 [2021-11-07 01:33:42,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:33:42,241 INFO L470 AbstractCegarLoop]: Abstraction has 10664 states and 14370 transitions. [2021-11-07 01:33:42,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.066666666666666) internal successors, (106), 15 states have internal predecessors, (106), 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) [2021-11-07 01:33:42,241 INFO L276 IsEmpty]: Start isEmpty. Operand 10664 states and 14370 transitions. [2021-11-07 01:33:42,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-07 01:33:42,242 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:33:42,242 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] [2021-11-07 01:33:42,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2021-11-07 01:33:42,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:33:42,443 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr250ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:33:42,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:33:42,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1514012050, now seen corresponding path program 1 times [2021-11-07 01:33:42,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:33:42,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581692307] [2021-11-07 01:33:42,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:33:42,446 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:33:42,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:33:42,447 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:33:42,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-07 01:33:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:33:47,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 1526 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:33:47,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:33:47,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:33:47,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:33:47,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:33:47,693 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:33:47,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581692307] [2021-11-07 01:33:47,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581692307] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:33:47,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:33:47,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:33:47,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943421352] [2021-11-07 01:33:47,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:33:47,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:33:47,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:33:47,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:33:47,695 INFO L87 Difference]: Start difference. First operand 10664 states and 14370 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 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) [2021-11-07 01:34:00,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:00,602 INFO L93 Difference]: Finished difference Result 40808 states and 54147 transitions. [2021-11-07 01:34:00,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:34:00,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 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 [2021-11-07 01:34:00,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:00,699 INFO L225 Difference]: With dead ends: 40808 [2021-11-07 01:34:00,699 INFO L226 Difference]: Without dead ends: 30171 [2021-11-07 01:34:00,724 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:34:00,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30171 states. [2021-11-07 01:34:03,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30171 to 10710. [2021-11-07 01:34:03,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10710 states, 10239 states have (on average 1.3472018751831234) internal successors, (13794), 10546 states have internal predecessors, (13794), 254 states have call successors, (254), 33 states have call predecessors, (254), 33 states have return successors, (368), 234 states have call predecessors, (368), 254 states have call successors, (368) [2021-11-07 01:34:03,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10710 states to 10710 states and 14416 transitions. [2021-11-07 01:34:03,686 INFO L78 Accepts]: Start accepts. Automaton has 10710 states and 14416 transitions. Word has length 97 [2021-11-07 01:34:03,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:03,687 INFO L470 AbstractCegarLoop]: Abstraction has 10710 states and 14416 transitions. [2021-11-07 01:34:03,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 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) [2021-11-07 01:34:03,688 INFO L276 IsEmpty]: Start isEmpty. Operand 10710 states and 14416 transitions. [2021-11-07 01:34:03,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-07 01:34:03,689 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:03,690 INFO L513 BasicCegarLoop]: trace histogram [3, 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] [2021-11-07 01:34:03,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:03,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:03,894 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:34:03,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:03,894 INFO L85 PathProgramCache]: Analyzing trace with hash 656296458, now seen corresponding path program 1 times [2021-11-07 01:34:03,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:03,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2061519442] [2021-11-07 01:34:03,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:03,897 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:03,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:03,898 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:03,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-11-07 01:34:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:09,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 1727 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:34:09,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:09,615 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:09,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:10,086 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:10,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2061519442] [2021-11-07 01:34:10,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2061519442] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:34:10,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1668818430] [2021-11-07 01:34:10,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:10,086 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:34:10,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:34:10,088 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:34:10,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2021-11-07 01:34:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:13,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 1727 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:34:13,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:14,140 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:34:14,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:14,524 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:34:14,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1668818430] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:14,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:34:14,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [6, 6] total 14 [2021-11-07 01:34:14,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900185528] [2021-11-07 01:34:14,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:34:14,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:14,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:34:14,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-07 01:34:14,527 INFO L87 Difference]: Start difference. First operand 10710 states and 14416 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 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) [2021-11-07 01:34:29,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:29,277 INFO L93 Difference]: Finished difference Result 17736 states and 24302 transitions. [2021-11-07 01:34:29,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:34:29,278 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 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 [2021-11-07 01:34:29,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:29,332 INFO L225 Difference]: With dead ends: 17736 [2021-11-07 01:34:29,332 INFO L226 Difference]: Without dead ends: 17548 [2021-11-07 01:34:29,343 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:34:29,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17548 states. [2021-11-07 01:34:32,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17548 to 10591. [2021-11-07 01:34:32,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10591 states, 10191 states have (on average 1.3418702776960063) internal successors, (13675), 10427 states have internal predecessors, (13675), 254 states have call successors, (254), 33 states have call predecessors, (254), 33 states have return successors, (368), 234 states have call predecessors, (368), 254 states have call successors, (368) [2021-11-07 01:34:32,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10591 states to 10591 states and 14297 transitions. [2021-11-07 01:34:32,352 INFO L78 Accepts]: Start accepts. Automaton has 10591 states and 14297 transitions. Word has length 97 [2021-11-07 01:34:32,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:32,353 INFO L470 AbstractCegarLoop]: Abstraction has 10591 states and 14297 transitions. [2021-11-07 01:34:32,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 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) [2021-11-07 01:34:32,353 INFO L276 IsEmpty]: Start isEmpty. Operand 10591 states and 14297 transitions. [2021-11-07 01:34:32,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-07 01:34:32,355 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:32,356 INFO L513 BasicCegarLoop]: trace histogram [3, 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] [2021-11-07 01:34:32,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:32,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:32,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:34:32,757 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting u132_hcd_ring_work_schedulerErr0ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:34:32,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:32,757 INFO L85 PathProgramCache]: Analyzing trace with hash 802434169, now seen corresponding path program 1 times [2021-11-07 01:34:32,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:32,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1178925354] [2021-11-07 01:34:32,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:32,761 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:32,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:32,762 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:32,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-07 01:34:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:38,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 1935 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:34:38,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:39,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:40,206 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:40,206 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:40,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1178925354] [2021-11-07 01:34:40,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1178925354] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:34:40,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [132143887] [2021-11-07 01:34:40,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:40,207 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:34:40,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:34:40,208 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:34:40,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2021-11-07 01:34:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:44,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 1935 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:34:44,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:44,716 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:34:44,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:44,963 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:34:44,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [132143887] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:44,963 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:34:44,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [6, 6] total 13 [2021-11-07 01:34:44,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036545805] [2021-11-07 01:34:44,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:34:44,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:44,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:34:44,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:34:44,965 INFO L87 Difference]: Start difference. First operand 10591 states and 14297 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (5), 2 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:47,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:47,737 INFO L93 Difference]: Finished difference Result 21169 states and 28950 transitions. [2021-11-07 01:34:47,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:34:47,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (5), 2 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-11-07 01:34:47,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:47,791 INFO L225 Difference]: With dead ends: 21169 [2021-11-07 01:34:47,792 INFO L226 Difference]: Without dead ends: 10605 [2021-11-07 01:34:47,815 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 477 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:34:47,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10605 states. [2021-11-07 01:34:50,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10605 to 10599. [2021-11-07 01:34:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10599 states, 10198 states have (on average 1.3416356148264366) internal successors, (13682), 10435 states have internal predecessors, (13682), 254 states have call successors, (254), 33 states have call predecessors, (254), 34 states have return successors, (369), 234 states have call predecessors, (369), 254 states have call successors, (369) [2021-11-07 01:34:50,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10599 states to 10599 states and 14305 transitions. [2021-11-07 01:34:50,573 INFO L78 Accepts]: Start accepts. Automaton has 10599 states and 14305 transitions. Word has length 123 [2021-11-07 01:34:50,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:50,574 INFO L470 AbstractCegarLoop]: Abstraction has 10599 states and 14305 transitions. [2021-11-07 01:34:50,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (5), 2 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:50,574 INFO L276 IsEmpty]: Start isEmpty. Operand 10599 states and 14305 transitions. [2021-11-07 01:34:50,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-07 01:34:50,576 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:50,576 INFO L513 BasicCegarLoop]: trace histogram [3, 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] [2021-11-07 01:34:50,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2021-11-07 01:34:50,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:50,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:50,992 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting u132_hcd_ring_work_schedulerErr0ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:34:50,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:50,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1060599607, now seen corresponding path program 1 times [2021-11-07 01:34:50,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:50,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1055663953] [2021-11-07 01:34:50,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:50,995 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:50,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:50,996 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:50,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2021-11-07 01:34:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:56,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 1935 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:34:56,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:56,913 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:56,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:57,610 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:57,610 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:57,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1055663953] [2021-11-07 01:34:57,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1055663953] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:34:57,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [219996585] [2021-11-07 01:34:57,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:57,611 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:34:57,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:34:57,612 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:34:57,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2021-11-07 01:35:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:01,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 1935 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:35:01,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:02,054 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:35:02,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:02,834 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:35:02,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [219996585] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:35:02,835 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:35:02,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [6, 6] total 20 [2021-11-07 01:35:02,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859419413] [2021-11-07 01:35:02,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-07 01:35:02,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:35:02,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-07 01:35:02,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-11-07 01:35:02,837 INFO L87 Difference]: Start difference. First operand 10599 states and 14305 transitions. Second operand has 12 states, 10 states have (on average 12.3) internal successors, (123), 8 states have internal predecessors, (123), 6 states have call successors, (8), 8 states have call predecessors, (8), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:08,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:08,790 INFO L93 Difference]: Finished difference Result 21083 states and 28702 transitions. [2021-11-07 01:35:08,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 01:35:08,791 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 12.3) internal successors, (123), 8 states have internal predecessors, (123), 6 states have call successors, (8), 8 states have call predecessors, (8), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-11-07 01:35:08,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:08,830 INFO L225 Difference]: With dead ends: 21083 [2021-11-07 01:35:08,831 INFO L226 Difference]: Without dead ends: 10511 [2021-11-07 01:35:08,856 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=73, Invalid=479, Unknown=0, NotChecked=0, Total=552 [2021-11-07 01:35:08,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10511 states. [2021-11-07 01:35:11,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10511 to 10501. [2021-11-07 01:35:11,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10501 states, 10124 states have (on average 1.3407743974713553) internal successors, (13574), 10355 states have internal predecessors, (13574), 225 states have call successors, (225), 38 states have call predecessors, (225), 39 states have return successors, (275), 188 states have call predecessors, (275), 225 states have call successors, (275) [2021-11-07 01:35:11,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10501 states to 10501 states and 14074 transitions. [2021-11-07 01:35:11,342 INFO L78 Accepts]: Start accepts. Automaton has 10501 states and 14074 transitions. Word has length 123 [2021-11-07 01:35:11,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:11,342 INFO L470 AbstractCegarLoop]: Abstraction has 10501 states and 14074 transitions. [2021-11-07 01:35:11,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 12.3) internal successors, (123), 8 states have internal predecessors, (123), 6 states have call successors, (8), 8 states have call predecessors, (8), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:11,342 INFO L276 IsEmpty]: Start isEmpty. Operand 10501 states and 14074 transitions. [2021-11-07 01:35:11,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-07 01:35:11,344 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:11,345 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:11,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:11,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (41)] Ended with exit code 0 [2021-11-07 01:35:11,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:35:11,770 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr295ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-07 01:35:11,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:11,771 INFO L85 PathProgramCache]: Analyzing trace with hash 215945546, now seen corresponding path program 1 times [2021-11-07 01:35:11,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:35:11,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [94208648] [2021-11-07 01:35:11,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:11,774 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:35:11,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:35:11,775 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:35:11,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a6f245-a8b8-4786-be58-55734e11a1a9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2021-11-07 01:35:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:17,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 1640 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 01:35:17,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:17,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:35:17,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:18,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:35:18,321 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:35:18,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [94208648] [2021-11-07 01:35:18,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [94208648] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:35:18,321 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:35:18,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 11 [2021-11-07 01:35:18,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480252091] [2021-11-07 01:35:18,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 01:35:18,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:35:18,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 01:35:18,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:35:18,322 INFO L87 Difference]: Start difference. First operand 10501 states and 14074 transitions. Second operand has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 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)