./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/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_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 59b1cfb91cc72e499bff6d8fc699fc231e5a5cccbbf2aefe05d1bfd2696fc05b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:59:50,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:59:50,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:59:50,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:59:50,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:59:50,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:59:50,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:59:50,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:59:50,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:59:50,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:59:50,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:59:50,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:59:50,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:59:50,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:59:50,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:59:50,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:59:50,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:59:50,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:59:50,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:59:50,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:59:50,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:59:50,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:59:50,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:59:50,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:59:50,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:59:50,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:59:50,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:59:50,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:59:50,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:59:50,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:59:50,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:59:50,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:59:50,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:59:50,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:59:50,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:59:50,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:59:50,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:59:50,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:59:50,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:59:50,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:59:50,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:59:50,484 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 04:59:50,514 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:59:50,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:59:50,515 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:59:50,515 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:59:50,516 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:59:50,516 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:59:50,516 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:59:50,516 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:59:50,517 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:59:50,517 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:59:50,517 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:59:50,517 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:59:50,518 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:59:50,518 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:59:50,518 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:59:50,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:59:50,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:59:50,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:59:50,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:59:50,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:59:50,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:59:50,521 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:59:50,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:59:50,521 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:59:50,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:59:50,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:59:50,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:59:50,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:59:50,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:59:50,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:59:50,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:59:50,523 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:59:50,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:59:50,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:59:50,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:59:50,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:59:50,524 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_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59b1cfb91cc72e499bff6d8fc699fc231e5a5cccbbf2aefe05d1bfd2696fc05b [2021-11-03 04:59:50,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:59:50,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:59:50,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:59:50,838 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:59:50,839 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:59:50,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i [2021-11-03 04:59:50,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/data/56e93bdb7/64ea0e3be0ff4ce7b0bc128a6961861c/FLAG8fe1fc0a6 [2021-11-03 04:59:51,939 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:59:51,941 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i [2021-11-03 04:59:52,015 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/data/56e93bdb7/64ea0e3be0ff4ce7b0bc128a6961861c/FLAG8fe1fc0a6 [2021-11-03 04:59:52,321 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/data/56e93bdb7/64ea0e3be0ff4ce7b0bc128a6961861c [2021-11-03 04:59:52,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:59:52,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:59:52,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:59:52,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:59:52,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:59:52,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:59:52" (1/1) ... [2021-11-03 04:59:52,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6bd7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:59:52, skipping insertion in model container [2021-11-03 04:59:52,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:59:52" (1/1) ... [2021-11-03 04:59:52,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:59:52,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:59:54,918 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:54,986 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:54,998 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,015 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,049 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,101 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,137 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,169 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,186 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,222 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,238 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,267 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,288 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,305 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,318 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,341 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,359 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,361 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,380 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,508 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,509 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,510 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,528 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,545 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,553 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,569 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,577 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,601 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,606 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,610 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,624 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,628 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,640 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,654 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,671 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,692 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,770 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,771 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,772 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,800 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,810 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,838 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,846 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,890 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,891 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:55,892 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:56,228 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:56,229 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:56,230 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:56,234 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:56,235 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:56,243 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:56,244 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:56,273 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:56,273 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:56,274 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:56,279 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:56,602 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:56,614 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:57,214 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:57,215 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 04:59:57,916 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434581,434594] [2021-11-03 04:59:57,919 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434726,434739] [2021-11-03 04:59:57,920 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434872,434885] [2021-11-03 04:59:57,921 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435037,435050] [2021-11-03 04:59:57,921 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435195,435208] [2021-11-03 04:59:57,922 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435353,435366] [2021-11-03 04:59:57,922 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435511,435524] [2021-11-03 04:59:57,923 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435671,435684] [2021-11-03 04:59:57,924 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435830,435843] [2021-11-03 04:59:57,924 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435969,435982] [2021-11-03 04:59:57,925 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436111,436124] [2021-11-03 04:59:57,925 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436260,436273] [2021-11-03 04:59:57,926 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436399,436412] [2021-11-03 04:59:57,926 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436554,436567] [2021-11-03 04:59:57,927 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436714,436727] [2021-11-03 04:59:57,929 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436865,436878] [2021-11-03 04:59:57,930 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437016,437029] [2021-11-03 04:59:57,930 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437168,437181] [2021-11-03 04:59:57,933 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437317,437330] [2021-11-03 04:59:57,934 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437465,437478] [2021-11-03 04:59:57,935 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437622,437635] [2021-11-03 04:59:57,935 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437771,437784] [2021-11-03 04:59:57,937 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437927,437940] [2021-11-03 04:59:57,937 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438080,438093] [2021-11-03 04:59:57,938 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438226,438239] [2021-11-03 04:59:57,939 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438369,438382] [2021-11-03 04:59:57,940 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438521,438534] [2021-11-03 04:59:57,941 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438667,438680] [2021-11-03 04:59:57,942 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438812,438825] [2021-11-03 04:59:57,943 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438966,438979] [2021-11-03 04:59:57,945 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439117,439130] [2021-11-03 04:59:57,946 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439272,439285] [2021-11-03 04:59:57,947 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439424,439437] [2021-11-03 04:59:57,948 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439579,439592] [2021-11-03 04:59:57,948 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439743,439756] [2021-11-03 04:59:57,949 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439899,439912] [2021-11-03 04:59:57,949 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440063,440076] [2021-11-03 04:59:57,950 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440205,440218] [2021-11-03 04:59:57,950 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440363,440376] [2021-11-03 04:59:57,951 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440530,440543] [2021-11-03 04:59:57,951 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440689,440702] [2021-11-03 04:59:57,952 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440848,440861] [2021-11-03 04:59:57,953 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440997,441010] [2021-11-03 04:59:57,954 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441144,441157] [2021-11-03 04:59:57,955 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441283,441296] [2021-11-03 04:59:57,955 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441446,441459] [2021-11-03 04:59:57,956 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441612,441625] [2021-11-03 04:59:57,957 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441776,441789] [2021-11-03 04:59:57,958 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441941,441954] [2021-11-03 04:59:57,959 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442106,442119] [2021-11-03 04:59:57,960 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442272,442285] [2021-11-03 04:59:57,960 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442437,442450] [2021-11-03 04:59:57,961 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442604,442617] [2021-11-03 04:59:57,962 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442764,442777] [2021-11-03 04:59:57,962 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442926,442939] [2021-11-03 04:59:57,963 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443085,443098] [2021-11-03 04:59:57,964 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443231,443244] [2021-11-03 04:59:57,986 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443374,443387] [2021-11-03 04:59:57,987 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443518,443531] [2021-11-03 04:59:57,987 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443661,443674] [2021-11-03 04:59:57,988 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443805,443818] [2021-11-03 04:59:57,988 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443946,443959] [2021-11-03 04:59:57,988 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444084,444097] [2021-11-03 04:59:57,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444242,444255] [2021-11-03 04:59:57,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444401,444414] [2021-11-03 04:59:57,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444557,444570] [2021-11-03 04:59:57,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444706,444719] [2021-11-03 04:59:57,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444858,444871] [2021-11-03 04:59:57,991 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445009,445022] [2021-11-03 04:59:57,991 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445158,445171] [2021-11-03 04:59:57,991 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445310,445323] [2021-11-03 04:59:57,998 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445458,445471] [2021-11-03 04:59:57,999 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445611,445624] [2021-11-03 04:59:57,999 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445762,445775] [2021-11-03 04:59:58,000 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445912,445925] [2021-11-03 04:59:58,000 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446059,446072] [2021-11-03 04:59:58,001 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446210,446223] [2021-11-03 04:59:58,001 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446361,446374] [2021-11-03 04:59:58,002 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446509,446522] [2021-11-03 04:59:58,002 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446675,446688] [2021-11-03 04:59:58,003 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446844,446857] [2021-11-03 04:59:58,003 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447011,447024] [2021-11-03 04:59:58,005 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447179,447192] [2021-11-03 04:59:58,005 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447329,447342] [2021-11-03 04:59:58,006 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447476,447489] [2021-11-03 04:59:58,007 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447637,447650] [2021-11-03 04:59:58,008 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447807,447820] [2021-11-03 04:59:58,012 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447969,447982] [2021-11-03 04:59:58,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:59:58,068 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-03 04:59:58,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@cf1e499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:59:58, skipping insertion in model container [2021-11-03 04:59:58,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:59:58,071 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 04:59:58,078 INFO L168 Benchmark]: Toolchain (without parser) took 5746.83 ms. Allocated memory was 113.2 MB in the beginning and 157.3 MB in the end (delta: 44.0 MB). Free memory was 67.1 MB in the beginning and 102.5 MB in the end (delta: -35.5 MB). Peak memory consumption was 62.6 MB. Max. memory is 16.1 GB. [2021-11-03 04:59:58,079 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 79.7 MB. Free memory was 45.7 MB in the beginning and 45.6 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:59:58,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5742.12 ms. Allocated memory was 113.2 MB in the beginning and 157.3 MB in the end (delta: 44.0 MB). Free memory was 66.9 MB in the beginning and 102.5 MB in the end (delta: -35.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 16.1 GB. [2021-11-03 04:59:58,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 79.7 MB. Free memory was 45.7 MB in the beginning and 45.6 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5742.12 ms. Allocated memory was 113.2 MB in the beginning and 157.3 MB in the end (delta: 44.0 MB). Free memory was 66.9 MB in the beginning and 102.5 MB in the end (delta: -35.6 MB). Peak memory consumption was 62.6 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_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/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_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 59b1cfb91cc72e499bff6d8fc699fc231e5a5cccbbf2aefe05d1bfd2696fc05b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:00:00,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:00:00,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:00:00,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:00:00,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:00:00,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:00:00,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:00:00,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:00:00,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:00:00,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:00:00,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:00:00,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:00:00,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:00:00,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:00:00,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:00:00,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:00:00,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:00:00,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:00:00,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:00:00,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:00:00,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:00:00,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:00:00,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:00:00,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:00:00,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:00:00,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:00:00,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:00:00,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:00:00,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:00:00,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:00:00,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:00:00,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:00:00,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:00:00,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:00:00,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:00:00,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:00:00,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:00:00,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:00:00,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:00:00,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:00:00,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:00:00,669 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 05:00:00,694 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:00:00,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:00:00,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:00:00,695 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:00:00,695 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:00:00,696 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:00:00,696 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:00:00,696 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:00:00,696 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:00:00,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:00:00,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:00:00,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:00:00,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:00:00,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:00:00,698 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:00:00,698 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:00:00,699 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:00:00,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:00:00,699 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:00:00,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:00:00,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:00:00,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:00:00,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:00:00,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:00:00,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:00:00,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:00:00,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:00:00,701 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:00:00,701 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:00:00,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:00:00,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:00:00,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:00:00,702 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_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59b1cfb91cc72e499bff6d8fc699fc231e5a5cccbbf2aefe05d1bfd2696fc05b [2021-11-03 05:00:01,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:00:01,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:00:01,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:00:01,164 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:00:01,165 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:00:01,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i [2021-11-03 05:00:01,238 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/data/1b193de27/c36d07f4f7814738a8be98fd70b91754/FLAG26dd3e4b7 [2021-11-03 05:00:02,474 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:00:02,476 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i [2021-11-03 05:00:02,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/data/1b193de27/c36d07f4f7814738a8be98fd70b91754/FLAG26dd3e4b7 [2021-11-03 05:00:02,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/data/1b193de27/c36d07f4f7814738a8be98fd70b91754 [2021-11-03 05:00:02,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:00:02,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:00:02,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:00:02,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:00:02,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:00:02,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:00:02" (1/1) ... [2021-11-03 05:00:02,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7034b874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:02, skipping insertion in model container [2021-11-03 05:00:02,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:00:02" (1/1) ... [2021-11-03 05:00:02,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:00:02,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:00:08,197 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434581,434594] [2021-11-03 05:00:08,201 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434726,434739] [2021-11-03 05:00:08,202 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434872,434885] [2021-11-03 05:00:08,202 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435037,435050] [2021-11-03 05:00:08,203 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435195,435208] [2021-11-03 05:00:08,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435353,435366] [2021-11-03 05:00:08,215 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435511,435524] [2021-11-03 05:00:08,215 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435671,435684] [2021-11-03 05:00:08,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435830,435843] [2021-11-03 05:00:08,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435969,435982] [2021-11-03 05:00:08,218 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436111,436124] [2021-11-03 05:00:08,219 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436260,436273] [2021-11-03 05:00:08,220 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436399,436412] [2021-11-03 05:00:08,220 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436554,436567] [2021-11-03 05:00:08,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436714,436727] [2021-11-03 05:00:08,223 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436865,436878] [2021-11-03 05:00:08,224 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437016,437029] [2021-11-03 05:00:08,224 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437168,437181] [2021-11-03 05:00:08,226 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437317,437330] [2021-11-03 05:00:08,227 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437465,437478] [2021-11-03 05:00:08,227 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437622,437635] [2021-11-03 05:00:08,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437771,437784] [2021-11-03 05:00:08,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437927,437940] [2021-11-03 05:00:08,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438080,438093] [2021-11-03 05:00:08,232 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438226,438239] [2021-11-03 05:00:08,233 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438369,438382] [2021-11-03 05:00:08,233 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438521,438534] [2021-11-03 05:00:08,234 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438667,438680] [2021-11-03 05:00:08,234 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438812,438825] [2021-11-03 05:00:08,237 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438966,438979] [2021-11-03 05:00:08,237 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439117,439130] [2021-11-03 05:00:08,238 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439272,439285] [2021-11-03 05:00:08,239 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439424,439437] [2021-11-03 05:00:08,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439579,439592] [2021-11-03 05:00:08,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439743,439756] [2021-11-03 05:00:08,241 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439899,439912] [2021-11-03 05:00:08,242 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440063,440076] [2021-11-03 05:00:08,242 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440205,440218] [2021-11-03 05:00:08,243 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440363,440376] [2021-11-03 05:00:08,243 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440530,440543] [2021-11-03 05:00:08,244 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440689,440702] [2021-11-03 05:00:08,244 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440848,440861] [2021-11-03 05:00:08,245 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440997,441010] [2021-11-03 05:00:08,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441144,441157] [2021-11-03 05:00:08,247 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441283,441296] [2021-11-03 05:00:08,247 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441446,441459] [2021-11-03 05:00:08,248 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441612,441625] [2021-11-03 05:00:08,249 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441776,441789] [2021-11-03 05:00:08,250 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441941,441954] [2021-11-03 05:00:08,250 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442106,442119] [2021-11-03 05:00:08,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442272,442285] [2021-11-03 05:00:08,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442437,442450] [2021-11-03 05:00:08,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442604,442617] [2021-11-03 05:00:08,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442764,442777] [2021-11-03 05:00:08,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442926,442939] [2021-11-03 05:00:08,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443085,443098] [2021-11-03 05:00:08,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443231,443244] [2021-11-03 05:00:08,255 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443374,443387] [2021-11-03 05:00:08,255 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443518,443531] [2021-11-03 05:00:08,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443661,443674] [2021-11-03 05:00:08,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443805,443818] [2021-11-03 05:00:08,257 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443946,443959] [2021-11-03 05:00:08,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444084,444097] [2021-11-03 05:00:08,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444242,444255] [2021-11-03 05:00:08,259 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444401,444414] [2021-11-03 05:00:08,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444557,444570] [2021-11-03 05:00:08,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444706,444719] [2021-11-03 05:00:08,261 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444858,444871] [2021-11-03 05:00:08,261 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445009,445022] [2021-11-03 05:00:08,263 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445158,445171] [2021-11-03 05:00:08,263 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445310,445323] [2021-11-03 05:00:08,264 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445458,445471] [2021-11-03 05:00:08,264 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445611,445624] [2021-11-03 05:00:08,265 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445762,445775] [2021-11-03 05:00:08,265 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445912,445925] [2021-11-03 05:00:08,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446059,446072] [2021-11-03 05:00:08,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446210,446223] [2021-11-03 05:00:08,267 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446361,446374] [2021-11-03 05:00:08,268 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446509,446522] [2021-11-03 05:00:08,268 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446675,446688] [2021-11-03 05:00:08,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446844,446857] [2021-11-03 05:00:08,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447011,447024] [2021-11-03 05:00:08,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447179,447192] [2021-11-03 05:00:08,272 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447329,447342] [2021-11-03 05:00:08,272 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447476,447489] [2021-11-03 05:00:08,273 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447637,447650] [2021-11-03 05:00:08,273 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447807,447820] [2021-11-03 05:00:08,274 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447969,447982] [2021-11-03 05:00:08,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:00:08,344 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 05:00:08,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:00:08,954 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434581,434594] [2021-11-03 05:00:08,955 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434726,434739] [2021-11-03 05:00:08,955 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434872,434885] [2021-11-03 05:00:08,956 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435037,435050] [2021-11-03 05:00:08,958 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435195,435208] [2021-11-03 05:00:08,959 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435353,435366] [2021-11-03 05:00:08,960 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435511,435524] [2021-11-03 05:00:08,961 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435671,435684] [2021-11-03 05:00:08,961 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435830,435843] [2021-11-03 05:00:08,962 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435969,435982] [2021-11-03 05:00:08,962 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436111,436124] [2021-11-03 05:00:08,963 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436260,436273] [2021-11-03 05:00:08,963 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436399,436412] [2021-11-03 05:00:08,964 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436554,436567] [2021-11-03 05:00:08,964 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436714,436727] [2021-11-03 05:00:08,966 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436865,436878] [2021-11-03 05:00:08,966 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437016,437029] [2021-11-03 05:00:08,967 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437168,437181] [2021-11-03 05:00:08,967 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437317,437330] [2021-11-03 05:00:08,968 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437465,437478] [2021-11-03 05:00:08,968 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437622,437635] [2021-11-03 05:00:08,970 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437771,437784] [2021-11-03 05:00:08,970 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437927,437940] [2021-11-03 05:00:08,971 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438080,438093] [2021-11-03 05:00:08,971 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438226,438239] [2021-11-03 05:00:08,972 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438369,438382] [2021-11-03 05:00:08,972 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438521,438534] [2021-11-03 05:00:08,973 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438667,438680] [2021-11-03 05:00:08,974 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438812,438825] [2021-11-03 05:00:08,974 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438966,438979] [2021-11-03 05:00:08,976 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439117,439130] [2021-11-03 05:00:08,976 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439272,439285] [2021-11-03 05:00:08,982 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439424,439437] [2021-11-03 05:00:08,983 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439579,439592] [2021-11-03 05:00:08,983 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439743,439756] [2021-11-03 05:00:08,984 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439899,439912] [2021-11-03 05:00:08,984 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440063,440076] [2021-11-03 05:00:08,985 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440205,440218] [2021-11-03 05:00:08,986 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440363,440376] [2021-11-03 05:00:08,987 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440530,440543] [2021-11-03 05:00:08,988 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440689,440702] [2021-11-03 05:00:08,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440848,440861] [2021-11-03 05:00:08,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440997,441010] [2021-11-03 05:00:08,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441144,441157] [2021-11-03 05:00:08,991 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441283,441296] [2021-11-03 05:00:08,992 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441446,441459] [2021-11-03 05:00:08,992 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441612,441625] [2021-11-03 05:00:08,993 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441776,441789] [2021-11-03 05:00:09,000 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441941,441954] [2021-11-03 05:00:09,001 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442106,442119] [2021-11-03 05:00:09,001 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442272,442285] [2021-11-03 05:00:09,003 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442437,442450] [2021-11-03 05:00:09,004 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442604,442617] [2021-11-03 05:00:09,005 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442764,442777] [2021-11-03 05:00:09,005 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442926,442939] [2021-11-03 05:00:09,006 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443085,443098] [2021-11-03 05:00:09,006 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443231,443244] [2021-11-03 05:00:09,007 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443374,443387] [2021-11-03 05:00:09,007 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443518,443531] [2021-11-03 05:00:09,009 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443661,443674] [2021-11-03 05:00:09,011 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443805,443818] [2021-11-03 05:00:09,015 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443946,443959] [2021-11-03 05:00:09,016 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444084,444097] [2021-11-03 05:00:09,016 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444242,444255] [2021-11-03 05:00:09,017 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444401,444414] [2021-11-03 05:00:09,018 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444557,444570] [2021-11-03 05:00:09,020 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444706,444719] [2021-11-03 05:00:09,020 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444858,444871] [2021-11-03 05:00:09,021 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445009,445022] [2021-11-03 05:00:09,021 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445158,445171] [2021-11-03 05:00:09,028 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445310,445323] [2021-11-03 05:00:09,029 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445458,445471] [2021-11-03 05:00:09,030 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445611,445624] [2021-11-03 05:00:09,030 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445762,445775] [2021-11-03 05:00:09,031 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445912,445925] [2021-11-03 05:00:09,031 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446059,446072] [2021-11-03 05:00:09,032 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446210,446223] [2021-11-03 05:00:09,032 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446361,446374] [2021-11-03 05:00:09,034 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446509,446522] [2021-11-03 05:00:09,035 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446675,446688] [2021-11-03 05:00:09,035 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446844,446857] [2021-11-03 05:00:09,037 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447011,447024] [2021-11-03 05:00:09,037 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447179,447192] [2021-11-03 05:00:09,038 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447329,447342] [2021-11-03 05:00:09,038 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447476,447489] [2021-11-03 05:00:09,039 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447637,447650] [2021-11-03 05:00:09,039 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447807,447820] [2021-11-03 05:00:09,040 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447969,447982] [2021-11-03 05:00:09,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:00:09,074 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:00:09,983 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434581,434594] [2021-11-03 05:00:09,984 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434726,434739] [2021-11-03 05:00:09,984 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434872,434885] [2021-11-03 05:00:09,985 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435037,435050] [2021-11-03 05:00:09,985 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435195,435208] [2021-11-03 05:00:09,986 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435353,435366] [2021-11-03 05:00:09,986 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435511,435524] [2021-11-03 05:00:09,987 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435671,435684] [2021-11-03 05:00:09,987 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435830,435843] [2021-11-03 05:00:09,988 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435969,435982] [2021-11-03 05:00:09,988 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436111,436124] [2021-11-03 05:00:09,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436260,436273] [2021-11-03 05:00:09,989 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436399,436412] [2021-11-03 05:00:09,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436554,436567] [2021-11-03 05:00:09,990 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436714,436727] [2021-11-03 05:00:09,991 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436865,436878] [2021-11-03 05:00:09,991 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437016,437029] [2021-11-03 05:00:09,992 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437168,437181] [2021-11-03 05:00:09,992 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437317,437330] [2021-11-03 05:00:09,992 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437465,437478] [2021-11-03 05:00:09,993 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437622,437635] [2021-11-03 05:00:09,993 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437771,437784] [2021-11-03 05:00:09,994 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437927,437940] [2021-11-03 05:00:09,994 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438080,438093] [2021-11-03 05:00:09,995 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438226,438239] [2021-11-03 05:00:09,995 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438369,438382] [2021-11-03 05:00:09,996 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438521,438534] [2021-11-03 05:00:09,996 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438667,438680] [2021-11-03 05:00:09,997 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438812,438825] [2021-11-03 05:00:09,997 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438966,438979] [2021-11-03 05:00:09,998 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439117,439130] [2021-11-03 05:00:09,998 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439272,439285] [2021-11-03 05:00:09,999 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439424,439437] [2021-11-03 05:00:09,999 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439579,439592] [2021-11-03 05:00:10,000 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439743,439756] [2021-11-03 05:00:10,000 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439899,439912] [2021-11-03 05:00:10,001 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440063,440076] [2021-11-03 05:00:10,001 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440205,440218] [2021-11-03 05:00:10,002 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440363,440376] [2021-11-03 05:00:10,002 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440530,440543] [2021-11-03 05:00:10,002 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440689,440702] [2021-11-03 05:00:10,003 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440848,440861] [2021-11-03 05:00:10,003 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440997,441010] [2021-11-03 05:00:10,004 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441144,441157] [2021-11-03 05:00:10,004 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441283,441296] [2021-11-03 05:00:10,005 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441446,441459] [2021-11-03 05:00:10,005 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441612,441625] [2021-11-03 05:00:10,005 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441776,441789] [2021-11-03 05:00:10,006 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441941,441954] [2021-11-03 05:00:10,006 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442106,442119] [2021-11-03 05:00:10,007 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442272,442285] [2021-11-03 05:00:10,007 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442437,442450] [2021-11-03 05:00:10,008 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442604,442617] [2021-11-03 05:00:10,008 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442764,442777] [2021-11-03 05:00:10,009 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442926,442939] [2021-11-03 05:00:10,009 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443085,443098] [2021-11-03 05:00:10,009 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443231,443244] [2021-11-03 05:00:10,010 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443374,443387] [2021-11-03 05:00:10,010 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443518,443531] [2021-11-03 05:00:10,011 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443661,443674] [2021-11-03 05:00:10,011 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443805,443818] [2021-11-03 05:00:10,012 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443946,443959] [2021-11-03 05:00:10,012 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444084,444097] [2021-11-03 05:00:10,013 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444242,444255] [2021-11-03 05:00:10,013 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444401,444414] [2021-11-03 05:00:10,014 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444557,444570] [2021-11-03 05:00:10,014 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444706,444719] [2021-11-03 05:00:10,015 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444858,444871] [2021-11-03 05:00:10,015 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445009,445022] [2021-11-03 05:00:10,015 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445158,445171] [2021-11-03 05:00:10,016 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445310,445323] [2021-11-03 05:00:10,016 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445458,445471] [2021-11-03 05:00:10,017 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445611,445624] [2021-11-03 05:00:10,017 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445762,445775] [2021-11-03 05:00:10,018 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445912,445925] [2021-11-03 05:00:10,018 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446059,446072] [2021-11-03 05:00:10,019 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446210,446223] [2021-11-03 05:00:10,019 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446361,446374] [2021-11-03 05:00:10,020 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446509,446522] [2021-11-03 05:00:10,020 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446675,446688] [2021-11-03 05:00:10,021 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446844,446857] [2021-11-03 05:00:10,021 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447011,447024] [2021-11-03 05:00:10,022 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447179,447192] [2021-11-03 05:00:10,022 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447329,447342] [2021-11-03 05:00:10,022 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447476,447489] [2021-11-03 05:00:10,023 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447637,447650] [2021-11-03 05:00:10,023 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447807,447820] [2021-11-03 05:00:10,024 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447969,447982] [2021-11-03 05:00:10,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:00:10,424 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:00:10,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:10 WrapperNode [2021-11-03 05:00:10,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:00:10,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:00:10,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:00:10,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:00:10,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:10" (1/1) ... [2021-11-03 05:00:10,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:10" (1/1) ... [2021-11-03 05:00:12,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:00:12,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:00:12,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:00:12,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:00:12,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:10" (1/1) ... [2021-11-03 05:00:12,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:10" (1/1) ... [2021-11-03 05:00:12,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:10" (1/1) ... [2021-11-03 05:00:12,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:10" (1/1) ... [2021-11-03 05:00:13,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:10" (1/1) ... [2021-11-03 05:00:13,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:10" (1/1) ... [2021-11-03 05:00:13,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:10" (1/1) ... [2021-11-03 05:00:14,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:00:14,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:00:14,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:00:14,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:00:14,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:10" (1/1) ... [2021-11-03 05:00:14,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:00:14,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:00:14,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:00:14,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:00:14,325 INFO L130 BoogieDeclarations]: Found specification of procedure u132_udev_put_kref [2021-11-03 05:00:14,325 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_udev_put_kref [2021-11-03 05:00:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure u132_ring_requeue_work [2021-11-03 05:00:14,326 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_ring_requeue_work [2021-11-03 05:00:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 05:00:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 05:00:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 05:00:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 05:00:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure u132_endp_cancel_work [2021-11-03 05:00:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_endp_cancel_work [2021-11-03 05:00:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_ring_work_scheduler [2021-11-03 05:00:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_ring_work_scheduler [2021-11-03 05:00:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure u132_u132_put_kref [2021-11-03 05:00:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_u132_put_kref [2021-11-03 05:00:14,328 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_endp_work_scheduler [2021-11-03 05:00:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_endp_work_scheduler [2021-11-03 05:00:14,328 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-03 05:00:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-03 05:00:14,328 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_monitor_work [2021-11-03 05:00:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_monitor_work [2021-11-03 05:00:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 05:00:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure u132_monitor_requeue_work [2021-11-03 05:00:14,329 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_monitor_requeue_work [2021-11-03 05:00:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 05:00:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_giveback_urb [2021-11-03 05:00:14,329 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_giveback_urb [2021-11-03 05:00:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-03 05:00:14,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-03 05:00:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure u132_ring_queue_work [2021-11-03 05:00:14,330 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_ring_queue_work [2021-11-03 05:00:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:00:14,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:00:14,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 05:00:14,331 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-03 05:00:14,331 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-03 05:00:14,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 05:00:14,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 05:00:14,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-03 05:00:14,332 INFO L130 BoogieDeclarations]: Found specification of procedure u132_endp_delete [2021-11-03 05:00:14,332 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_endp_delete [2021-11-03 05:00:14,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:00:14,332 INFO L130 BoogieDeclarations]: Found specification of procedure u132_endp_put_kref [2021-11-03 05:00:14,333 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_endp_put_kref [2021-11-03 05:00:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 05:00:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 05:00:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 05:00:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-03 05:00:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 05:00:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 05:00:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure u132_ring_put_kref [2021-11-03 05:00:14,334 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_ring_put_kref [2021-11-03 05:00:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure u132_ring_cancel_work [2021-11-03 05:00:14,334 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_ring_cancel_work [2021-11-03 05:00:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-03 05:04:50,428 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_7_returnLabel: main_#res := 0bv32; [2021-11-03 05:04:50,432 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; [2021-11-03 05:04:50,433 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-03 05:04:50,434 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10234: #t~ret1656 := main_#res; [2021-11-03 05:04:50,636 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:04:50,637 INFO L299 CfgBuilder]: Removed 9988 assume(true) statements. [2021-11-03 05:04:50,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:04:50 BoogieIcfgContainer [2021-11-03 05:04:50,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:04:50,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:04:50,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:04:50,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:04:50,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:00:02" (1/3) ... [2021-11-03 05:04:50,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c33c109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:04:50, skipping insertion in model container [2021-11-03 05:04:50,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:00:10" (2/3) ... [2021-11-03 05:04:50,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c33c109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:04:50, skipping insertion in model container [2021-11-03 05:04:50,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:04:50" (3/3) ... [2021-11-03 05:04:50,660 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i [2021-11-03 05:04:50,667 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:04:50,667 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 370 error locations. [2021-11-03 05:04:50,777 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:04:50,783 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 05:04:50,784 INFO L340 AbstractCegarLoop]: Starting to check reachability of 370 error locations. [2021-11-03 05:04:50,969 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) [2021-11-03 05:04:50,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-03 05:04:50,973 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:04:50,974 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] [2021-11-03 05:04:50,974 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)] === [2021-11-03 05:04:50,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:04:50,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1130256629, now seen corresponding path program 1 times [2021-11-03 05:04:51,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:04:51,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [505711443] [2021-11-03 05:04:51,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:04:51,004 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:04:51,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:04:51,011 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:04:51,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 05:04:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:04:54,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 1103 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:04:54,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:04:54,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:04:54,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:04:54,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:04:54,759 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:04:54,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [505711443] [2021-11-03 05:04:54,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [505711443] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:04:54,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:04:54,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:04:54,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015951444] [2021-11-03 05:04:54,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:04:54,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:04:54,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:04:54,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:04:54,816 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) [2021-11-03 05:04:55,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:04:55,944 INFO L93 Difference]: Finished difference Result 20886 states and 28846 transitions. [2021-11-03 05:04:55,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:04:55,945 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 [2021-11-03 05:04:55,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:04:56,034 INFO L225 Difference]: With dead ends: 20886 [2021-11-03 05:04:56,034 INFO L226 Difference]: Without dead ends: 10314 [2021-11-03 05:04:56,063 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 [2021-11-03 05:04:56,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10314 states. [2021-11-03 05:04:56,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10314 to 10314. [2021-11-03 05:04:56,638 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) [2021-11-03 05:04:56,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10314 states to 10314 states and 13701 transitions. [2021-11-03 05:04:56,723 INFO L78 Accepts]: Start accepts. Automaton has 10314 states and 13701 transitions. Word has length 23 [2021-11-03 05:04:56,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:04:56,724 INFO L470 AbstractCegarLoop]: Abstraction has 10314 states and 13701 transitions. [2021-11-03 05:04:56,725 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) [2021-11-03 05:04:56,725 INFO L276 IsEmpty]: Start isEmpty. Operand 10314 states and 13701 transitions. [2021-11-03 05:04:56,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-03 05:04:56,727 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:04:56,727 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] [2021-11-03 05:04:56,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:04:56,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:04:56,929 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)] === [2021-11-03 05:04:56,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:04:56,930 INFO L85 PathProgramCache]: Analyzing trace with hash -449114311, now seen corresponding path program 1 times [2021-11-03 05:04:56,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:04:56,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682674084] [2021-11-03 05:04:56,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:04:56,935 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:04:56,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:04:56,936 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:04:56,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 05:05:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:05:00,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:05:00,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:05:00,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:00,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:05:00,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:00,638 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:05:00,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682674084] [2021-11-03 05:05:00,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1682674084] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:05:00,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:05:00,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:05:00,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072825678] [2021-11-03 05:05:00,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:05:00,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:05:00,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:05:00,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:05:00,642 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) [2021-11-03 05:05:01,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:05:01,282 INFO L93 Difference]: Finished difference Result 10314 states and 13701 transitions. [2021-11-03 05:05:01,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:05:01,283 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 [2021-11-03 05:05:01,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:05:01,369 INFO L225 Difference]: With dead ends: 10314 [2021-11-03 05:05:01,370 INFO L226 Difference]: Without dead ends: 10310 [2021-11-03 05:05:01,376 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 [2021-11-03 05:05:01,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10310 states. [2021-11-03 05:05:01,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10310 to 10310. [2021-11-03 05:05:01,853 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) [2021-11-03 05:05:01,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10310 states to 10310 states and 13697 transitions. [2021-11-03 05:05:01,901 INFO L78 Accepts]: Start accepts. Automaton has 10310 states and 13697 transitions. Word has length 25 [2021-11-03 05:05:01,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:05:01,902 INFO L470 AbstractCegarLoop]: Abstraction has 10310 states and 13697 transitions. [2021-11-03 05:05:01,902 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) [2021-11-03 05:05:01,902 INFO L276 IsEmpty]: Start isEmpty. Operand 10310 states and 13697 transitions. [2021-11-03 05:05:01,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-03 05:05:01,904 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:05:01,905 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:05:01,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:05:02,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:05:02,128 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)] === [2021-11-03 05:05:02,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:05:02,129 INFO L85 PathProgramCache]: Analyzing trace with hash 190447329, now seen corresponding path program 1 times [2021-11-03 05:05:02,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:05:02,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529793888] [2021-11-03 05:05:02,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:05:02,133 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:05:02,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:05:02,135 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:05:02,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 05:05:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:05:05,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 1125 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-03 05:05:05,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:05:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:05,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:05:06,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:06,552 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:05:06,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1529793888] [2021-11-03 05:05:06,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1529793888] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:05:06,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:05:06,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 19 [2021-11-03 05:05:06,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083663976] [2021-11-03 05:05:06,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-03 05:05:06,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:05:06,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-03 05:05:06,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2021-11-03 05:05:06,555 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) [2021-11-03 05:05:09,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:05:09,684 INFO L93 Difference]: Finished difference Result 12439 states and 16310 transitions. [2021-11-03 05:05:09,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-03 05:05:09,685 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 [2021-11-03 05:05:09,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:05:09,771 INFO L225 Difference]: With dead ends: 12439 [2021-11-03 05:05:09,771 INFO L226 Difference]: Without dead ends: 10402 [2021-11-03 05:05:09,782 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 [2021-11-03 05:05:09,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10402 states. [2021-11-03 05:05:10,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10402 to 10321. [2021-11-03 05:05:10,272 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) [2021-11-03 05:05:10,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10321 states to 10321 states and 13708 transitions. [2021-11-03 05:05:10,310 INFO L78 Accepts]: Start accepts. Automaton has 10321 states and 13708 transitions. Word has length 26 [2021-11-03 05:05:10,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:05:10,311 INFO L470 AbstractCegarLoop]: Abstraction has 10321 states and 13708 transitions. [2021-11-03 05:05:10,311 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) [2021-11-03 05:05:10,311 INFO L276 IsEmpty]: Start isEmpty. Operand 10321 states and 13708 transitions. [2021-11-03 05:05:10,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-03 05:05:10,313 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:05:10,314 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] [2021-11-03 05:05:10,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 05:05:10,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:05:10,528 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)] === [2021-11-03 05:05:10,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:05:10,529 INFO L85 PathProgramCache]: Analyzing trace with hash -2101131811, now seen corresponding path program 1 times [2021-11-03 05:05:10,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:05:10,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513411900] [2021-11-03 05:05:10,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:05:10,534 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:05:10,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:05:10,535 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:05:10,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 05:05:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:05:13,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 1109 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:05:13,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:05:13,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:13,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:05:13,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:13,822 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:05:13,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1513411900] [2021-11-03 05:05:13,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1513411900] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:05:13,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:05:13,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:05:13,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426258716] [2021-11-03 05:05:13,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:05:13,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:05:13,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:05:13,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:05:13,825 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) [2021-11-03 05:05:14,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:05:14,485 INFO L93 Difference]: Finished difference Result 10321 states and 13708 transitions. [2021-11-03 05:05:14,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:05:14,487 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 [2021-11-03 05:05:14,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:05:14,528 INFO L225 Difference]: With dead ends: 10321 [2021-11-03 05:05:14,529 INFO L226 Difference]: Without dead ends: 10317 [2021-11-03 05:05:14,535 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 [2021-11-03 05:05:14,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10317 states. [2021-11-03 05:05:15,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10317 to 10317. [2021-11-03 05:05:15,134 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) [2021-11-03 05:05:15,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10317 states to 10317 states and 13704 transitions. [2021-11-03 05:05:15,176 INFO L78 Accepts]: Start accepts. Automaton has 10317 states and 13704 transitions. Word has length 27 [2021-11-03 05:05:15,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:05:15,176 INFO L470 AbstractCegarLoop]: Abstraction has 10317 states and 13704 transitions. [2021-11-03 05:05:15,177 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) [2021-11-03 05:05:15,177 INFO L276 IsEmpty]: Start isEmpty. Operand 10317 states and 13704 transitions. [2021-11-03 05:05:15,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-03 05:05:15,183 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:05:15,183 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] [2021-11-03 05:05:15,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 05:05:15,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:05:15,406 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)] === [2021-11-03 05:05:15,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:05:15,407 INFO L85 PathProgramCache]: Analyzing trace with hash -552049439, now seen corresponding path program 1 times [2021-11-03 05:05:15,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:05:15,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [563463458] [2021-11-03 05:05:15,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:05:15,412 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:05:15,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:05:15,413 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:05:15,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 05:05:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:05:18,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 1112 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:05:18,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:05:18,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:18,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:05:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:18,806 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:05:18,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [563463458] [2021-11-03 05:05:18,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [563463458] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:05:18,806 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:05:18,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:05:18,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375722248] [2021-11-03 05:05:18,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:05:18,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:05:18,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:05:18,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:05:18,809 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) [2021-11-03 05:05:19,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:05:19,576 INFO L93 Difference]: Finished difference Result 10317 states and 13704 transitions. [2021-11-03 05:05:19,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:05:19,577 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 [2021-11-03 05:05:19,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:05:19,616 INFO L225 Difference]: With dead ends: 10317 [2021-11-03 05:05:19,617 INFO L226 Difference]: Without dead ends: 10313 [2021-11-03 05:05:19,623 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 [2021-11-03 05:05:19,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10313 states. [2021-11-03 05:05:20,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10313 to 10313. [2021-11-03 05:05:20,270 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) [2021-11-03 05:05:20,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10313 states to 10313 states and 13700 transitions. [2021-11-03 05:05:20,310 INFO L78 Accepts]: Start accepts. Automaton has 10313 states and 13700 transitions. Word has length 29 [2021-11-03 05:05:20,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:05:20,311 INFO L470 AbstractCegarLoop]: Abstraction has 10313 states and 13700 transitions. [2021-11-03 05:05:20,311 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) [2021-11-03 05:05:20,311 INFO L276 IsEmpty]: Start isEmpty. Operand 10313 states and 13700 transitions. [2021-11-03 05:05:20,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-03 05:05:20,313 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:05:20,313 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] [2021-11-03 05:05:20,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 05:05:20,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:05:20,535 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)] === [2021-11-03 05:05:20,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:05:20,536 INFO L85 PathProgramCache]: Analyzing trace with hash 2057425989, now seen corresponding path program 1 times [2021-11-03 05:05:20,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:05:20,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53604930] [2021-11-03 05:05:20,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:05:20,542 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:05:20,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:05:20,543 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:05:20,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 05:05:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:05:23,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:05:23,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:05:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:23,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:05:24,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:24,080 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:05:24,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [53604930] [2021-11-03 05:05:24,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [53604930] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:05:24,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:05:24,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:05:24,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667668597] [2021-11-03 05:05:24,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:05:24,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:05:24,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:05:24,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:05:24,082 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) [2021-11-03 05:05:24,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:05:24,711 INFO L93 Difference]: Finished difference Result 10313 states and 13700 transitions. [2021-11-03 05:05:24,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:05:24,711 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 [2021-11-03 05:05:24,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:05:24,750 INFO L225 Difference]: With dead ends: 10313 [2021-11-03 05:05:24,750 INFO L226 Difference]: Without dead ends: 10309 [2021-11-03 05:05:24,756 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 [2021-11-03 05:05:24,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10309 states. [2021-11-03 05:05:25,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10309 to 10309. [2021-11-03 05:05:25,312 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) [2021-11-03 05:05:25,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10309 states to 10309 states and 13696 transitions. [2021-11-03 05:05:25,349 INFO L78 Accepts]: Start accepts. Automaton has 10309 states and 13696 transitions. Word has length 31 [2021-11-03 05:05:25,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:05:25,349 INFO L470 AbstractCegarLoop]: Abstraction has 10309 states and 13696 transitions. [2021-11-03 05:05:25,350 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) [2021-11-03 05:05:25,350 INFO L276 IsEmpty]: Start isEmpty. Operand 10309 states and 13696 transitions. [2021-11-03 05:05:25,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-03 05:05:25,351 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:05:25,351 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] [2021-11-03 05:05:25,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 05:05:25,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:05:25,564 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)] === [2021-11-03 05:05:25,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:05:25,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1502411785, now seen corresponding path program 1 times [2021-11-03 05:05:25,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:05:25,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347427654] [2021-11-03 05:05:25,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:05:25,568 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:05:25,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:05:25,570 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:05:25,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 05:05:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:05:28,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:05:28,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:05:29,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:29,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:05:29,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:29,265 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:05:29,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347427654] [2021-11-03 05:05:29,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347427654] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:05:29,266 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:05:29,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:05:29,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682286723] [2021-11-03 05:05:29,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:05:29,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:05:29,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:05:29,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:05:29,268 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) [2021-11-03 05:05:29,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:05:29,847 INFO L93 Difference]: Finished difference Result 10309 states and 13696 transitions. [2021-11-03 05:05:29,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:05:29,847 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 [2021-11-03 05:05:29,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:05:29,878 INFO L225 Difference]: With dead ends: 10309 [2021-11-03 05:05:29,878 INFO L226 Difference]: Without dead ends: 10305 [2021-11-03 05:05:29,882 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 [2021-11-03 05:05:29,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10305 states. [2021-11-03 05:05:30,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10305 to 10305. [2021-11-03 05:05:30,295 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) [2021-11-03 05:05:30,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10305 states to 10305 states and 13692 transitions. [2021-11-03 05:05:30,329 INFO L78 Accepts]: Start accepts. Automaton has 10305 states and 13692 transitions. Word has length 33 [2021-11-03 05:05:30,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:05:30,329 INFO L470 AbstractCegarLoop]: Abstraction has 10305 states and 13692 transitions. [2021-11-03 05:05:30,329 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) [2021-11-03 05:05:30,330 INFO L276 IsEmpty]: Start isEmpty. Operand 10305 states and 13692 transitions. [2021-11-03 05:05:30,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-03 05:05:30,331 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:05:30,331 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] [2021-11-03 05:05:30,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-03 05:05:30,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:05:30,544 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)] === [2021-11-03 05:05:30,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:05:30,545 INFO L85 PathProgramCache]: Analyzing trace with hash 964385034, now seen corresponding path program 1 times [2021-11-03 05:05:30,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:05:30,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2050887252] [2021-11-03 05:05:30,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:05:30,548 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:05:30,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:05:30,550 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:05:30,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-03 05:05:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:05:33,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 1169 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-03 05:05:33,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:05:34,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:34,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:05:34,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:34,697 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:05:34,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2050887252] [2021-11-03 05:05:34,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2050887252] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:05:34,697 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:05:34,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 15] imperfect sequences [] total 16 [2021-11-03 05:05:34,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963415958] [2021-11-03 05:05:34,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-03 05:05:34,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:05:34,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-03 05:05:34,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2021-11-03 05:05:34,700 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) [2021-11-03 05:05:38,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:05:38,766 INFO L93 Difference]: Finished difference Result 12493 states and 16363 transitions. [2021-11-03 05:05:38,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-03 05:05:38,766 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 [2021-11-03 05:05:38,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:05:38,805 INFO L225 Difference]: With dead ends: 12493 [2021-11-03 05:05:38,806 INFO L226 Difference]: Without dead ends: 10464 [2021-11-03 05:05:38,816 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=285, Invalid=837, Unknown=0, NotChecked=0, Total=1122 [2021-11-03 05:05:38,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10464 states. [2021-11-03 05:05:39,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10464 to 10307. [2021-11-03 05:05:39,381 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) [2021-11-03 05:05:39,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10307 states to 10307 states and 13694 transitions. [2021-11-03 05:05:39,410 INFO L78 Accepts]: Start accepts. Automaton has 10307 states and 13694 transitions. Word has length 33 [2021-11-03 05:05:39,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:05:39,411 INFO L470 AbstractCegarLoop]: Abstraction has 10307 states and 13694 transitions. [2021-11-03 05:05:39,411 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) [2021-11-03 05:05:39,411 INFO L276 IsEmpty]: Start isEmpty. Operand 10307 states and 13694 transitions. [2021-11-03 05:05:39,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-03 05:05:39,413 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:05:39,413 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] [2021-11-03 05:05:39,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-03 05:05:39,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:05:39,636 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)] === [2021-11-03 05:05:39,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:05:39,637 INFO L85 PathProgramCache]: Analyzing trace with hash 709706797, now seen corresponding path program 1 times [2021-11-03 05:05:39,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:05:39,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003004329] [2021-11-03 05:05:39,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:05:39,639 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:05:39,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:05:39,640 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:05:39,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-03 05:05:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:05:42,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:05:42,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:05:42,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:42,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:05:43,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:43,052 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:05:43,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003004329] [2021-11-03 05:05:43,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1003004329] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:05:43,052 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:05:43,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:05:43,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412640320] [2021-11-03 05:05:43,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:05:43,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:05:43,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:05:43,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:05:43,054 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) [2021-11-03 05:05:43,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:05:43,549 INFO L93 Difference]: Finished difference Result 10307 states and 13694 transitions. [2021-11-03 05:05:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:05:43,550 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 [2021-11-03 05:05:43,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:05:43,582 INFO L225 Difference]: With dead ends: 10307 [2021-11-03 05:05:43,583 INFO L226 Difference]: Without dead ends: 10303 [2021-11-03 05:05:43,588 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 [2021-11-03 05:05:43,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10303 states. [2021-11-03 05:05:44,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10303 to 10303. [2021-11-03 05:05:44,189 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) [2021-11-03 05:05:44,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10303 states to 10303 states and 13690 transitions. [2021-11-03 05:05:44,239 INFO L78 Accepts]: Start accepts. Automaton has 10303 states and 13690 transitions. Word has length 35 [2021-11-03 05:05:44,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:05:44,239 INFO L470 AbstractCegarLoop]: Abstraction has 10303 states and 13690 transitions. [2021-11-03 05:05:44,239 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) [2021-11-03 05:05:44,240 INFO L276 IsEmpty]: Start isEmpty. Operand 10303 states and 13690 transitions. [2021-11-03 05:05:44,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-03 05:05:44,240 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:05:44,241 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] [2021-11-03 05:05:44,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-03 05:05:44,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:05:44,464 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)] === [2021-11-03 05:05:44,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:05:44,465 INFO L85 PathProgramCache]: Analyzing trace with hash -870574927, now seen corresponding path program 1 times [2021-11-03 05:05:44,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:05:44,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114845627] [2021-11-03 05:05:44,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:05:44,468 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:05:44,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:05:44,469 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:05:44,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-03 05:05:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:05:47,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:05:47,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:05:47,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:47,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:05:47,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:47,868 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:05:47,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2114845627] [2021-11-03 05:05:47,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2114845627] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:05:47,868 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:05:47,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:05:47,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85602344] [2021-11-03 05:05:47,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:05:47,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:05:47,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:05:47,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:05:47,870 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) [2021-11-03 05:05:48,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:05:48,401 INFO L93 Difference]: Finished difference Result 10303 states and 13690 transitions. [2021-11-03 05:05:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:05:48,404 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 [2021-11-03 05:05:48,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:05:48,435 INFO L225 Difference]: With dead ends: 10303 [2021-11-03 05:05:48,436 INFO L226 Difference]: Without dead ends: 10299 [2021-11-03 05:05:48,439 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 [2021-11-03 05:05:48,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10299 states. [2021-11-03 05:05:49,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10299 to 10299. [2021-11-03 05:05:49,091 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) [2021-11-03 05:05:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10299 states to 10299 states and 13686 transitions. [2021-11-03 05:05:49,121 INFO L78 Accepts]: Start accepts. Automaton has 10299 states and 13686 transitions. Word has length 37 [2021-11-03 05:05:49,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:05:49,123 INFO L470 AbstractCegarLoop]: Abstraction has 10299 states and 13686 transitions. [2021-11-03 05:05:49,123 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) [2021-11-03 05:05:49,123 INFO L276 IsEmpty]: Start isEmpty. Operand 10299 states and 13686 transitions. [2021-11-03 05:05:49,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-03 05:05:49,124 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:05:49,124 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:05:49,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-03 05:05:49,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:05:49,348 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)] === [2021-11-03 05:05:49,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:05:49,349 INFO L85 PathProgramCache]: Analyzing trace with hash -688670286, now seen corresponding path program 1 times [2021-11-03 05:05:49,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:05:49,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1998027659] [2021-11-03 05:05:49,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:05:49,351 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:05:49,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:05:49,352 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:05:49,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-03 05:05:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:05:52,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 1247 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:05:52,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:05:52,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:52,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:05:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:52,779 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:05:52,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1998027659] [2021-11-03 05:05:52,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1998027659] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:05:52,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:05:52,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:05:52,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712757890] [2021-11-03 05:05:52,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:05:52,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:05:52,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:05:52,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:05:52,781 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) [2021-11-03 05:05:54,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:05:54,008 INFO L93 Difference]: Finished difference Result 20556 states and 27327 transitions. [2021-11-03 05:05:54,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:05:54,008 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 [2021-11-03 05:05:54,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:05:54,037 INFO L225 Difference]: With dead ends: 20556 [2021-11-03 05:05:54,037 INFO L226 Difference]: Without dead ends: 10299 [2021-11-03 05:05:54,057 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 [2021-11-03 05:05:54,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10299 states. [2021-11-03 05:05:54,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10299 to 10299. [2021-11-03 05:05:54,767 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) [2021-11-03 05:05:54,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10299 states to 10299 states and 13663 transitions. [2021-11-03 05:05:54,799 INFO L78 Accepts]: Start accepts. Automaton has 10299 states and 13663 transitions. Word has length 38 [2021-11-03 05:05:54,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:05:54,800 INFO L470 AbstractCegarLoop]: Abstraction has 10299 states and 13663 transitions. [2021-11-03 05:05:54,800 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) [2021-11-03 05:05:54,800 INFO L276 IsEmpty]: Start isEmpty. Operand 10299 states and 13663 transitions. [2021-11-03 05:05:54,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-03 05:05:54,801 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:05:54,802 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] [2021-11-03 05:05:54,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-03 05:05:55,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:05:55,016 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)] === [2021-11-03 05:05:55,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:05:55,017 INFO L85 PathProgramCache]: Analyzing trace with hash 897110452, now seen corresponding path program 1 times [2021-11-03 05:05:55,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:05:55,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1424771184] [2021-11-03 05:05:55,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:05:55,019 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:05:55,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:05:55,021 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:05:55,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-03 05:05:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:05:57,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:05:57,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:05:58,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:58,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:05:58,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:05:58,404 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:05:58,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1424771184] [2021-11-03 05:05:58,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1424771184] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:05:58,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:05:58,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:05:58,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758900414] [2021-11-03 05:05:58,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:05:58,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:05:58,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:05:58,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:05:58,406 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) [2021-11-03 05:05:58,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:05:58,936 INFO L93 Difference]: Finished difference Result 10299 states and 13663 transitions. [2021-11-03 05:05:58,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:05:58,937 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 [2021-11-03 05:05:58,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:05:58,968 INFO L225 Difference]: With dead ends: 10299 [2021-11-03 05:05:58,968 INFO L226 Difference]: Without dead ends: 10295 [2021-11-03 05:05:58,974 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 [2021-11-03 05:05:58,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10295 states. [2021-11-03 05:05:59,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10295 to 10295. [2021-11-03 05:05:59,707 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) [2021-11-03 05:05:59,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10295 states to 10295 states and 13659 transitions. [2021-11-03 05:05:59,727 INFO L78 Accepts]: Start accepts. Automaton has 10295 states and 13659 transitions. Word has length 39 [2021-11-03 05:05:59,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:05:59,728 INFO L470 AbstractCegarLoop]: Abstraction has 10295 states and 13659 transitions. [2021-11-03 05:05:59,728 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) [2021-11-03 05:05:59,728 INFO L276 IsEmpty]: Start isEmpty. Operand 10295 states and 13659 transitions. [2021-11-03 05:05:59,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-03 05:05:59,729 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:05:59,729 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:05:59,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-03 05:05:59,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:05:59,931 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)] === [2021-11-03 05:05:59,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:05:59,931 INFO L85 PathProgramCache]: Analyzing trace with hash -622242131, now seen corresponding path program 1 times [2021-11-03 05:05:59,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:05:59,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [474387625] [2021-11-03 05:05:59,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:05:59,933 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:05:59,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:05:59,935 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:05:59,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-03 05:06:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:06:03,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:06:03,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:06:03,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:03,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:06:03,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:03,349 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:06:03,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [474387625] [2021-11-03 05:06:03,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [474387625] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:06:03,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:06:03,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:06:03,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58644919] [2021-11-03 05:06:03,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:06:03,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:06:03,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:06:03,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:06:03,351 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) [2021-11-03 05:06:05,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:06:05,150 INFO L93 Difference]: Finished difference Result 20545 states and 27270 transitions. [2021-11-03 05:06:05,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:06:05,152 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 [2021-11-03 05:06:05,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:06:05,171 INFO L225 Difference]: With dead ends: 20545 [2021-11-03 05:06:05,171 INFO L226 Difference]: Without dead ends: 10292 [2021-11-03 05:06:05,193 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 [2021-11-03 05:06:05,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10292 states. [2021-11-03 05:06:05,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10292 to 10292. [2021-11-03 05:06:05,952 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) [2021-11-03 05:06:05,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10292 states to 10292 states and 13655 transitions. [2021-11-03 05:06:05,971 INFO L78 Accepts]: Start accepts. Automaton has 10292 states and 13655 transitions. Word has length 40 [2021-11-03 05:06:05,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:06:05,971 INFO L470 AbstractCegarLoop]: Abstraction has 10292 states and 13655 transitions. [2021-11-03 05:06:05,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:06:05,971 INFO L276 IsEmpty]: Start isEmpty. Operand 10292 states and 13655 transitions. [2021-11-03 05:06:05,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-03 05:06:05,972 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:06:05,972 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:06:05,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-03 05:06:06,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:06:06,172 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)] === [2021-11-03 05:06:06,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:06:06,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1164288232, now seen corresponding path program 1 times [2021-11-03 05:06:06,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:06:06,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [561926628] [2021-11-03 05:06:06,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:06:06,175 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:06:06,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:06:06,176 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:06:06,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-03 05:06:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:06:09,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:06:09,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:06:09,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:09,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:06:09,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:09,675 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:06:09,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [561926628] [2021-11-03 05:06:09,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [561926628] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:06:09,675 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:06:09,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:06:09,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418290831] [2021-11-03 05:06:09,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:06:09,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:06:09,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:06:09,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:06:09,677 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) [2021-11-03 05:06:10,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:06:10,423 INFO L93 Difference]: Finished difference Result 10292 states and 13655 transitions. [2021-11-03 05:06:10,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:06:10,423 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 [2021-11-03 05:06:10,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:06:10,440 INFO L225 Difference]: With dead ends: 10292 [2021-11-03 05:06:10,440 INFO L226 Difference]: Without dead ends: 10288 [2021-11-03 05:06:10,444 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 [2021-11-03 05:06:10,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10288 states. [2021-11-03 05:06:11,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10288 to 10288. [2021-11-03 05:06:11,163 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) [2021-11-03 05:06:11,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10288 states to 10288 states and 13651 transitions. [2021-11-03 05:06:11,183 INFO L78 Accepts]: Start accepts. Automaton has 10288 states and 13651 transitions. Word has length 41 [2021-11-03 05:06:11,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:06:11,183 INFO L470 AbstractCegarLoop]: Abstraction has 10288 states and 13651 transitions. [2021-11-03 05:06:11,183 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) [2021-11-03 05:06:11,183 INFO L276 IsEmpty]: Start isEmpty. Operand 10288 states and 13651 transitions. [2021-11-03 05:06:11,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-03 05:06:11,184 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:06:11,184 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] [2021-11-03 05:06:11,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-03 05:06:11,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:06:11,385 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)] === [2021-11-03 05:06:11,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:06:11,385 INFO L85 PathProgramCache]: Analyzing trace with hash 2106467548, now seen corresponding path program 1 times [2021-11-03 05:06:11,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:06:11,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1689124549] [2021-11-03 05:06:11,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:06:11,387 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:06:11,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:06:11,388 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:06:11,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-03 05:06:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:06:14,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:06:14,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:06:14,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:14,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:06:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:14,863 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:06:14,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1689124549] [2021-11-03 05:06:14,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1689124549] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:06:14,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:06:14,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:06:14,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114139138] [2021-11-03 05:06:14,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:06:14,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:06:14,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:06:14,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:06:14,867 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) [2021-11-03 05:06:15,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:06:15,488 INFO L93 Difference]: Finished difference Result 10288 states and 13651 transitions. [2021-11-03 05:06:15,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:06:15,488 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 [2021-11-03 05:06:15,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:06:15,504 INFO L225 Difference]: With dead ends: 10288 [2021-11-03 05:06:15,505 INFO L226 Difference]: Without dead ends: 10284 [2021-11-03 05:06:15,510 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 [2021-11-03 05:06:15,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10284 states. [2021-11-03 05:06:16,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10284 to 10284. [2021-11-03 05:06:16,135 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) [2021-11-03 05:06:16,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10284 states to 10284 states and 13647 transitions. [2021-11-03 05:06:16,161 INFO L78 Accepts]: Start accepts. Automaton has 10284 states and 13647 transitions. Word has length 43 [2021-11-03 05:06:16,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:06:16,162 INFO L470 AbstractCegarLoop]: Abstraction has 10284 states and 13647 transitions. [2021-11-03 05:06:16,162 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) [2021-11-03 05:06:16,162 INFO L276 IsEmpty]: Start isEmpty. Operand 10284 states and 13647 transitions. [2021-11-03 05:06:16,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-03 05:06:16,163 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:06:16,163 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] [2021-11-03 05:06:16,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-03 05:06:16,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:06:16,376 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)] === [2021-11-03 05:06:16,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:06:16,377 INFO L85 PathProgramCache]: Analyzing trace with hash 189542770, now seen corresponding path program 1 times [2021-11-03 05:06:16,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:06:16,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1247444873] [2021-11-03 05:06:16,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:06:16,379 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:06:16,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:06:16,379 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:06:16,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-03 05:06:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:06:19,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:06:19,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:06:19,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:19,638 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:06:19,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:19,773 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:06:19,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1247444873] [2021-11-03 05:06:19,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1247444873] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:06:19,773 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:06:19,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:06:19,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865779572] [2021-11-03 05:06:19,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:06:19,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:06:19,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:06:19,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:06:19,775 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) [2021-11-03 05:06:20,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:06:20,745 INFO L93 Difference]: Finished difference Result 20523 states and 27246 transitions. [2021-11-03 05:06:20,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:06:20,746 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 [2021-11-03 05:06:20,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:06:20,762 INFO L225 Difference]: With dead ends: 20523 [2021-11-03 05:06:20,762 INFO L226 Difference]: Without dead ends: 10281 [2021-11-03 05:06:20,779 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 [2021-11-03 05:06:20,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10281 states. [2021-11-03 05:06:21,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10281 to 10281. [2021-11-03 05:06:21,384 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) [2021-11-03 05:06:21,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10281 states to 10281 states and 13643 transitions. [2021-11-03 05:06:21,405 INFO L78 Accepts]: Start accepts. Automaton has 10281 states and 13643 transitions. Word has length 43 [2021-11-03 05:06:21,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:06:21,405 INFO L470 AbstractCegarLoop]: Abstraction has 10281 states and 13643 transitions. [2021-11-03 05:06:21,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:06:21,406 INFO L276 IsEmpty]: Start isEmpty. Operand 10281 states and 13643 transitions. [2021-11-03 05:06:21,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-03 05:06:21,406 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:06:21,406 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] [2021-11-03 05:06:21,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-03 05:06:21,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:06:21,607 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)] === [2021-11-03 05:06:21,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:06:21,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1386711808, now seen corresponding path program 1 times [2021-11-03 05:06:21,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:06:21,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [663893157] [2021-11-03 05:06:21,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:06:21,609 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:06:21,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:06:21,610 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:06:21,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-03 05:06:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:06:24,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 1136 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:06:24,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:06:24,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:24,845 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:06:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:25,173 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:06:25,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [663893157] [2021-11-03 05:06:25,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [663893157] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:06:25,174 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:06:25,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:06:25,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985733771] [2021-11-03 05:06:25,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:06:25,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:06:25,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:06:25,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:06:25,176 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) [2021-11-03 05:06:25,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:06:25,856 INFO L93 Difference]: Finished difference Result 10281 states and 13643 transitions. [2021-11-03 05:06:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:06:25,857 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 [2021-11-03 05:06:25,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:06:25,877 INFO L225 Difference]: With dead ends: 10281 [2021-11-03 05:06:25,878 INFO L226 Difference]: Without dead ends: 10277 [2021-11-03 05:06:25,883 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 [2021-11-03 05:06:25,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10277 states. [2021-11-03 05:06:26,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10277 to 10277. [2021-11-03 05:06:26,543 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) [2021-11-03 05:06:26,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10277 states to 10277 states and 13639 transitions. [2021-11-03 05:06:26,563 INFO L78 Accepts]: Start accepts. Automaton has 10277 states and 13639 transitions. Word has length 45 [2021-11-03 05:06:26,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:06:26,564 INFO L470 AbstractCegarLoop]: Abstraction has 10277 states and 13639 transitions. [2021-11-03 05:06:26,564 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) [2021-11-03 05:06:26,564 INFO L276 IsEmpty]: Start isEmpty. Operand 10277 states and 13639 transitions. [2021-11-03 05:06:26,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-03 05:06:26,565 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:06:26,565 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] [2021-11-03 05:06:26,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2021-11-03 05:06:26,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:06:26,788 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)] === [2021-11-03 05:06:26,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:06:26,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1191180676, now seen corresponding path program 1 times [2021-11-03 05:06:26,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:06:26,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115297644] [2021-11-03 05:06:26,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:06:26,791 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:06:26,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:06:26,792 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:06:26,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-03 05:06:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:06:29,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:06:29,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:06:30,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:30,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:06:30,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:30,445 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:06:30,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115297644] [2021-11-03 05:06:30,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [115297644] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:06:30,446 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:06:30,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:06:30,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287459236] [2021-11-03 05:06:30,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:06:30,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:06:30,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:06:30,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:06:30,448 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) [2021-11-03 05:06:31,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:06:31,222 INFO L93 Difference]: Finished difference Result 10277 states and 13639 transitions. [2021-11-03 05:06:31,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:06:31,223 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 [2021-11-03 05:06:31,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:06:31,245 INFO L225 Difference]: With dead ends: 10277 [2021-11-03 05:06:31,246 INFO L226 Difference]: Without dead ends: 10273 [2021-11-03 05:06:31,251 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 [2021-11-03 05:06:31,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10273 states. [2021-11-03 05:06:31,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10273 to 10273. [2021-11-03 05:06:31,933 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) [2021-11-03 05:06:31,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10273 states to 10273 states and 13635 transitions. [2021-11-03 05:06:31,954 INFO L78 Accepts]: Start accepts. Automaton has 10273 states and 13635 transitions. Word has length 47 [2021-11-03 05:06:31,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:06:31,954 INFO L470 AbstractCegarLoop]: Abstraction has 10273 states and 13635 transitions. [2021-11-03 05:06:31,954 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) [2021-11-03 05:06:31,954 INFO L276 IsEmpty]: Start isEmpty. Operand 10273 states and 13635 transitions. [2021-11-03 05:06:31,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-03 05:06:31,955 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:06:31,955 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] [2021-11-03 05:06:31,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-03 05:06:32,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:06:32,155 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)] === [2021-11-03 05:06:32,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:06:32,156 INFO L85 PathProgramCache]: Analyzing trace with hash -2030643096, now seen corresponding path program 1 times [2021-11-03 05:06:32,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:06:32,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385114539] [2021-11-03 05:06:32,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:06:32,158 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:06:32,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:06:32,159 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:06:32,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-03 05:06:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:06:35,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:06:35,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:06:35,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:35,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:06:35,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:35,829 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:06:35,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385114539] [2021-11-03 05:06:35,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1385114539] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:06:35,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:06:35,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:06:35,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933395362] [2021-11-03 05:06:35,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:06:35,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:06:35,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:06:35,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:06:35,831 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) [2021-11-03 05:06:36,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:06:36,562 INFO L93 Difference]: Finished difference Result 10273 states and 13635 transitions. [2021-11-03 05:06:36,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:06:36,562 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 [2021-11-03 05:06:36,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:06:36,582 INFO L225 Difference]: With dead ends: 10273 [2021-11-03 05:06:36,582 INFO L226 Difference]: Without dead ends: 10269 [2021-11-03 05:06:36,587 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 [2021-11-03 05:06:36,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10269 states. [2021-11-03 05:06:37,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10269 to 10269. [2021-11-03 05:06:37,386 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) [2021-11-03 05:06:37,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10269 states to 10269 states and 13631 transitions. [2021-11-03 05:06:37,405 INFO L78 Accepts]: Start accepts. Automaton has 10269 states and 13631 transitions. Word has length 49 [2021-11-03 05:06:37,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:06:37,405 INFO L470 AbstractCegarLoop]: Abstraction has 10269 states and 13631 transitions. [2021-11-03 05:06:37,405 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) [2021-11-03 05:06:37,405 INFO L276 IsEmpty]: Start isEmpty. Operand 10269 states and 13631 transitions. [2021-11-03 05:06:37,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-03 05:06:37,406 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:06:37,406 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:06:37,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-03 05:06:37,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:06:37,607 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)] === [2021-11-03 05:06:37,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:06:37,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1488126493, now seen corresponding path program 1 times [2021-11-03 05:06:37,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:06:37,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [959940674] [2021-11-03 05:06:37,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:06:37,609 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:06:37,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:06:37,610 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:06:37,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-03 05:06:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:06:40,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 1338 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 05:06:40,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:06:41,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:41,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:06:41,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:41,491 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:06:41,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [959940674] [2021-11-03 05:06:41,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [959940674] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:06:41,492 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:06:41,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 05:06:41,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968954468] [2021-11-03 05:06:41,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 05:06:41,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:06:41,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 05:06:41,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 05:06:41,493 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) [2021-11-03 05:06:54,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:06:54,255 INFO L93 Difference]: Finished difference Result 49382 states and 66075 transitions. [2021-11-03 05:06:54,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 05:06:54,256 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 [2021-11-03 05:06:54,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:06:54,332 INFO L225 Difference]: With dead ends: 49382 [2021-11-03 05:06:54,332 INFO L226 Difference]: Without dead ends: 39155 [2021-11-03 05:06:54,354 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-03 05:06:54,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39155 states. [2021-11-03 05:06:56,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39155 to 10338. [2021-11-03 05:06:56,076 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) [2021-11-03 05:06:56,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10338 states to 10338 states and 13700 transitions. [2021-11-03 05:06:56,095 INFO L78 Accepts]: Start accepts. Automaton has 10338 states and 13700 transitions. Word has length 50 [2021-11-03 05:06:56,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:06:56,096 INFO L470 AbstractCegarLoop]: Abstraction has 10338 states and 13700 transitions. [2021-11-03 05:06:56,096 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) [2021-11-03 05:06:56,096 INFO L276 IsEmpty]: Start isEmpty. Operand 10338 states and 13700 transitions. [2021-11-03 05:06:56,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-03 05:06:56,097 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:06:56,097 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] [2021-11-03 05:06:56,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-03 05:06:56,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:06:56,298 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)] === [2021-11-03 05:06:56,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:06:56,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1531867220, now seen corresponding path program 1 times [2021-11-03 05:06:56,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:06:56,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815952212] [2021-11-03 05:06:56,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:06:56,300 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:06:56,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:06:56,302 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:06:56,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-03 05:06:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:06:59,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 1145 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:06:59,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:06:59,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:59,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:07:00,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:07:00,583 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:07:00,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815952212] [2021-11-03 05:07:00,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815952212] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:07:00,584 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:07:00,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-03 05:07:00,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994149260] [2021-11-03 05:07:00,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:07:00,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:07:00,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:07:00,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:07:00,586 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) [2021-11-03 05:07:02,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:07:02,595 INFO L93 Difference]: Finished difference Result 10338 states and 13700 transitions. [2021-11-03 05:07:02,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:07:02,596 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 [2021-11-03 05:07:02,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:07:02,619 INFO L225 Difference]: With dead ends: 10338 [2021-11-03 05:07:02,619 INFO L226 Difference]: Without dead ends: 10334 [2021-11-03 05:07:02,625 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:07:02,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10334 states. [2021-11-03 05:07:03,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10334 to 10334. [2021-11-03 05:07:03,782 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) [2021-11-03 05:07:03,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10334 states to 10334 states and 13696 transitions. [2021-11-03 05:07:03,801 INFO L78 Accepts]: Start accepts. Automaton has 10334 states and 13696 transitions. Word has length 51 [2021-11-03 05:07:03,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:07:03,802 INFO L470 AbstractCegarLoop]: Abstraction has 10334 states and 13696 transitions. [2021-11-03 05:07:03,802 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) [2021-11-03 05:07:03,802 INFO L276 IsEmpty]: Start isEmpty. Operand 10334 states and 13696 transitions. [2021-11-03 05:07:03,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-03 05:07:03,803 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:07:03,803 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:07:03,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-03 05:07:04,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:07:04,012 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)] === [2021-11-03 05:07:04,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:07:04,013 INFO L85 PathProgramCache]: Analyzing trace with hash 746706165, now seen corresponding path program 1 times [2021-11-03 05:07:04,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:07:04,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660330544] [2021-11-03 05:07:04,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:07:04,015 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:07:04,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:07:04,016 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:07:04,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-03 05:07:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:07:07,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 1265 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:07:07,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:07:07,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:07:07,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:07:07,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:07:07,941 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:07:07,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1660330544] [2021-11-03 05:07:07,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1660330544] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:07:07,941 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:07:07,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:07:07,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769587284] [2021-11-03 05:07:07,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:07:07,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:07:07,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:07:07,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:07:07,943 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) [2021-11-03 05:07:14,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:07:14,560 INFO L93 Difference]: Finished difference Result 13578 states and 17966 transitions. [2021-11-03 05:07:14,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 05:07:14,561 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-03 05:07:14,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:07:14,588 INFO L225 Difference]: With dead ends: 13578 [2021-11-03 05:07:14,589 INFO L226 Difference]: Without dead ends: 13530 [2021-11-03 05:07:14,594 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 [2021-11-03 05:07:14,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13530 states. [2021-11-03 05:07:16,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13530 to 10286. [2021-11-03 05:07:16,053 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) [2021-11-03 05:07:16,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10286 states to 10286 states and 13648 transitions. [2021-11-03 05:07:16,074 INFO L78 Accepts]: Start accepts. Automaton has 10286 states and 13648 transitions. Word has length 52 [2021-11-03 05:07:16,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:07:16,074 INFO L470 AbstractCegarLoop]: Abstraction has 10286 states and 13648 transitions. [2021-11-03 05:07:16,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:07:16,075 INFO L276 IsEmpty]: Start isEmpty. Operand 10286 states and 13648 transitions. [2021-11-03 05:07:16,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-03 05:07:16,076 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:07:16,076 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] [2021-11-03 05:07:16,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-03 05:07:16,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:07:16,276 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)] === [2021-11-03 05:07:16,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:07:16,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1050380112, now seen corresponding path program 1 times [2021-11-03 05:07:16,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:07:16,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1152571789] [2021-11-03 05:07:16,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:07:16,279 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:07:16,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:07:16,282 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:07:16,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-03 05:07:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:07:19,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:07:19,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:07:19,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:07:19,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:07:20,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:07:20,200 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:07:20,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1152571789] [2021-11-03 05:07:20,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1152571789] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:07:20,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:07:20,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:07:20,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589043450] [2021-11-03 05:07:20,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:07:20,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:07:20,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:07:20,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:07:20,202 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) [2021-11-03 05:07:21,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:07:21,567 INFO L93 Difference]: Finished difference Result 10286 states and 13648 transitions. [2021-11-03 05:07:21,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:07:21,567 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 [2021-11-03 05:07:21,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:07:21,584 INFO L225 Difference]: With dead ends: 10286 [2021-11-03 05:07:21,584 INFO L226 Difference]: Without dead ends: 10282 [2021-11-03 05:07:21,588 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 [2021-11-03 05:07:21,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10282 states. [2021-11-03 05:07:22,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10282 to 10282. [2021-11-03 05:07:22,825 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) [2021-11-03 05:07:22,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10282 states to 10282 states and 13644 transitions. [2021-11-03 05:07:22,845 INFO L78 Accepts]: Start accepts. Automaton has 10282 states and 13644 transitions. Word has length 53 [2021-11-03 05:07:22,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:07:22,845 INFO L470 AbstractCegarLoop]: Abstraction has 10282 states and 13644 transitions. [2021-11-03 05:07:22,846 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) [2021-11-03 05:07:22,846 INFO L276 IsEmpty]: Start isEmpty. Operand 10282 states and 13644 transitions. [2021-11-03 05:07:22,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-03 05:07:22,846 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:07:22,847 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] [2021-11-03 05:07:22,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-03 05:07:23,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:07:23,060 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)] === [2021-11-03 05:07:23,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:07:23,061 INFO L85 PathProgramCache]: Analyzing trace with hash 98969428, now seen corresponding path program 1 times [2021-11-03 05:07:23,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:07:23,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [508901569] [2021-11-03 05:07:23,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:07:23,064 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:07:23,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:07:23,069 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:07:23,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-03 05:07:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:07:26,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:07:26,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:07:26,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:07:26,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:07:27,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:07:27,078 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:07:27,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [508901569] [2021-11-03 05:07:27,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [508901569] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:07:27,078 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:07:27,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:07:27,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412866283] [2021-11-03 05:07:27,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:07:27,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:07:27,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:07:27,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:07:27,080 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) [2021-11-03 05:07:28,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:07:28,395 INFO L93 Difference]: Finished difference Result 10282 states and 13644 transitions. [2021-11-03 05:07:28,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:07:28,395 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 [2021-11-03 05:07:28,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:07:28,410 INFO L225 Difference]: With dead ends: 10282 [2021-11-03 05:07:28,410 INFO L226 Difference]: Without dead ends: 10278 [2021-11-03 05:07:28,414 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:07:28,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10278 states. [2021-11-03 05:07:29,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10278 to 10278. [2021-11-03 05:07:29,619 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) [2021-11-03 05:07:29,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10278 states to 10278 states and 13640 transitions. [2021-11-03 05:07:29,639 INFO L78 Accepts]: Start accepts. Automaton has 10278 states and 13640 transitions. Word has length 55 [2021-11-03 05:07:29,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:07:29,639 INFO L470 AbstractCegarLoop]: Abstraction has 10278 states and 13640 transitions. [2021-11-03 05:07:29,639 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) [2021-11-03 05:07:29,639 INFO L276 IsEmpty]: Start isEmpty. Operand 10278 states and 13640 transitions. [2021-11-03 05:07:29,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-03 05:07:29,640 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:07:29,640 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] [2021-11-03 05:07:29,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-03 05:07:29,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:07:29,864 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)] === [2021-11-03 05:07:29,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:07:29,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1523466877, now seen corresponding path program 1 times [2021-11-03 05:07:29,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:07:29,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [64721028] [2021-11-03 05:07:29,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:07:29,867 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:07:29,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:07:29,867 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:07:29,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-03 05:07:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:07:33,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:07:33,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:07:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:07:33,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:07:33,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:07:33,645 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:07:33,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [64721028] [2021-11-03 05:07:33,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [64721028] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:07:33,646 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:07:33,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-03 05:07:33,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734005921] [2021-11-03 05:07:33,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:07:33,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:07:33,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:07:33,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:07:33,647 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) [2021-11-03 05:07:43,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:07:43,869 INFO L93 Difference]: Finished difference Result 18039 states and 24327 transitions. [2021-11-03 05:07:43,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 05:07:43,870 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 [2021-11-03 05:07:43,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:07:43,900 INFO L225 Difference]: With dead ends: 18039 [2021-11-03 05:07:43,900 INFO L226 Difference]: Without dead ends: 17991 [2021-11-03 05:07:43,907 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 [2021-11-03 05:07:43,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17991 states. [2021-11-03 05:07:45,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17991 to 10230. [2021-11-03 05:07:45,342 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) [2021-11-03 05:07:45,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10230 states to 10230 states and 13592 transitions. [2021-11-03 05:07:45,362 INFO L78 Accepts]: Start accepts. Automaton has 10230 states and 13592 transitions. Word has length 55 [2021-11-03 05:07:45,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:07:45,363 INFO L470 AbstractCegarLoop]: Abstraction has 10230 states and 13592 transitions. [2021-11-03 05:07:45,363 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) [2021-11-03 05:07:45,363 INFO L276 IsEmpty]: Start isEmpty. Operand 10230 states and 13592 transitions. [2021-11-03 05:07:45,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-03 05:07:45,364 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:07:45,365 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] [2021-11-03 05:07:45,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-03 05:07:45,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:07:45,570 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)] === [2021-11-03 05:07:45,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:07:45,570 INFO L85 PathProgramCache]: Analyzing trace with hash 621336504, now seen corresponding path program 1 times [2021-11-03 05:07:45,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:07:45,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2053367700] [2021-11-03 05:07:45,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:07:45,573 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:07:45,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:07:45,574 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:07:45,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-03 05:07:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:07:48,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 1154 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:07:48,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:07:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:07:49,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:07:49,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:07:49,631 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:07:49,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2053367700] [2021-11-03 05:07:49,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2053367700] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:07:49,631 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:07:49,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:07:49,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498449373] [2021-11-03 05:07:49,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:07:49,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:07:49,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:07:49,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:07:49,633 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) [2021-11-03 05:07:51,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:07:51,196 INFO L93 Difference]: Finished difference Result 10230 states and 13592 transitions. [2021-11-03 05:07:51,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:07:51,196 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 [2021-11-03 05:07:51,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:07:51,212 INFO L225 Difference]: With dead ends: 10230 [2021-11-03 05:07:51,212 INFO L226 Difference]: Without dead ends: 10226 [2021-11-03 05:07:51,214 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 [2021-11-03 05:07:51,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10226 states. [2021-11-03 05:07:52,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10226 to 10226. [2021-11-03 05:07:52,587 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) [2021-11-03 05:07:52,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10226 states to 10226 states and 13588 transitions. [2021-11-03 05:07:52,607 INFO L78 Accepts]: Start accepts. Automaton has 10226 states and 13588 transitions. Word has length 57 [2021-11-03 05:07:52,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:07:52,607 INFO L470 AbstractCegarLoop]: Abstraction has 10226 states and 13588 transitions. [2021-11-03 05:07:52,607 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) [2021-11-03 05:07:52,607 INFO L276 IsEmpty]: Start isEmpty. Operand 10226 states and 13588 transitions. [2021-11-03 05:07:52,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-03 05:07:52,608 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:07:52,608 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] [2021-11-03 05:07:52,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-03 05:07:52,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:07:52,809 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)] === [2021-11-03 05:07:52,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:07:52,809 INFO L85 PathProgramCache]: Analyzing trace with hash 104923260, now seen corresponding path program 1 times [2021-11-03 05:07:52,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:07:52,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383840288] [2021-11-03 05:07:52,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:07:52,811 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:07:52,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:07:52,812 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:07:52,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-03 05:07:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:07:56,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:07:56,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:07:56,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:07:56,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:07:56,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:07:56,911 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:07:56,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383840288] [2021-11-03 05:07:56,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [383840288] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:07:56,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:07:56,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:07:56,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418538279] [2021-11-03 05:07:56,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:07:56,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:07:56,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:07:56,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:07:56,913 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) [2021-11-03 05:07:58,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:07:58,521 INFO L93 Difference]: Finished difference Result 10226 states and 13588 transitions. [2021-11-03 05:07:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:07:58,522 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 [2021-11-03 05:07:58,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:07:58,535 INFO L225 Difference]: With dead ends: 10226 [2021-11-03 05:07:58,535 INFO L226 Difference]: Without dead ends: 10222 [2021-11-03 05:07:58,537 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 [2021-11-03 05:07:58,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10222 states. [2021-11-03 05:07:59,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10222 to 10222. [2021-11-03 05:07:59,979 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) [2021-11-03 05:07:59,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10222 states to 10222 states and 13584 transitions. [2021-11-03 05:07:59,997 INFO L78 Accepts]: Start accepts. Automaton has 10222 states and 13584 transitions. Word has length 59 [2021-11-03 05:07:59,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:07:59,998 INFO L470 AbstractCegarLoop]: Abstraction has 10222 states and 13584 transitions. [2021-11-03 05:07:59,998 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) [2021-11-03 05:07:59,998 INFO L276 IsEmpty]: Start isEmpty. Operand 10222 states and 13584 transitions. [2021-11-03 05:07:59,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-03 05:07:59,999 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:07:59,999 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] [2021-11-03 05:08:00,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-03 05:08:00,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:08:00,199 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)] === [2021-11-03 05:08:00,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:08:00,200 INFO L85 PathProgramCache]: Analyzing trace with hash 2048002464, now seen corresponding path program 1 times [2021-11-03 05:08:00,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:08:00,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1390758143] [2021-11-03 05:08:00,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:08:00,202 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:08:00,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:08:00,205 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:08:00,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-03 05:08:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:08:03,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:08:03,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:08:04,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:08:04,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:08:04,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:08:04,669 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:08:04,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1390758143] [2021-11-03 05:08:04,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1390758143] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:08:04,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:08:04,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:08:04,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065201883] [2021-11-03 05:08:04,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:08:04,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:08:04,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:08:04,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:08:04,672 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) [2021-11-03 05:08:06,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:08:06,252 INFO L93 Difference]: Finished difference Result 10222 states and 13584 transitions. [2021-11-03 05:08:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:08:06,252 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 [2021-11-03 05:08:06,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:08:06,268 INFO L225 Difference]: With dead ends: 10222 [2021-11-03 05:08:06,268 INFO L226 Difference]: Without dead ends: 10218 [2021-11-03 05:08:06,271 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 [2021-11-03 05:08:06,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10218 states. [2021-11-03 05:08:07,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10218 to 10218. [2021-11-03 05:08:07,795 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) [2021-11-03 05:08:07,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10218 states to 10218 states and 13580 transitions. [2021-11-03 05:08:07,815 INFO L78 Accepts]: Start accepts. Automaton has 10218 states and 13580 transitions. Word has length 61 [2021-11-03 05:08:07,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:08:07,816 INFO L470 AbstractCegarLoop]: Abstraction has 10218 states and 13580 transitions. [2021-11-03 05:08:07,816 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) [2021-11-03 05:08:07,816 INFO L276 IsEmpty]: Start isEmpty. Operand 10218 states and 13580 transitions. [2021-11-03 05:08:07,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-03 05:08:07,817 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:08:07,817 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] [2021-11-03 05:08:07,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-03 05:08:08,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:08:08,017 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)] === [2021-11-03 05:08:08,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:08:08,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1036344100, now seen corresponding path program 1 times [2021-11-03 05:08:08,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:08:08,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1140907549] [2021-11-03 05:08:08,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:08:08,020 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:08:08,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:08:08,021 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:08:08,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-03 05:08:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:08:11,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 1163 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:08:11,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:08:11,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:08:11,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:08:12,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:08:12,372 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:08:12,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1140907549] [2021-11-03 05:08:12,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1140907549] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:08:12,372 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:08:12,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:08:12,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997438715] [2021-11-03 05:08:12,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:08:12,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:08:12,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:08:12,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:08:12,373 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) [2021-11-03 05:08:14,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:08:14,019 INFO L93 Difference]: Finished difference Result 10218 states and 13580 transitions. [2021-11-03 05:08:14,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:08:14,020 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 [2021-11-03 05:08:14,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:08:14,034 INFO L225 Difference]: With dead ends: 10218 [2021-11-03 05:08:14,034 INFO L226 Difference]: Without dead ends: 10071 [2021-11-03 05:08:14,038 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 [2021-11-03 05:08:14,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10071 states. [2021-11-03 05:08:15,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10071 to 10071. [2021-11-03 05:08:15,586 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) [2021-11-03 05:08:15,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10071 states to 10071 states and 13425 transitions. [2021-11-03 05:08:15,603 INFO L78 Accepts]: Start accepts. Automaton has 10071 states and 13425 transitions. Word has length 63 [2021-11-03 05:08:15,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:08:15,604 INFO L470 AbstractCegarLoop]: Abstraction has 10071 states and 13425 transitions. [2021-11-03 05:08:15,604 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) [2021-11-03 05:08:15,604 INFO L276 IsEmpty]: Start isEmpty. Operand 10071 states and 13425 transitions. [2021-11-03 05:08:15,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-03 05:08:15,604 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:08:15,604 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:08:15,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-03 05:08:15,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:08:15,805 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)] === [2021-11-03 05:08:15,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:08:15,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1314198861, now seen corresponding path program 1 times [2021-11-03 05:08:15,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:08:15,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735526496] [2021-11-03 05:08:15,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:08:15,808 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:08:15,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:08:15,808 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:08:15,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-03 05:08:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:08:19,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-03 05:08:19,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:08:20,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:08:20,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:08:20,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:08:20,306 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:08:20,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735526496] [2021-11-03 05:08:20,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735526496] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:08:20,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:08:20,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 11 [2021-11-03 05:08:20,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51273525] [2021-11-03 05:08:20,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-03 05:08:20,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:08:20,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-03 05:08:20,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-03 05:08:20,309 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) [2021-11-03 05:08:28,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:08:28,722 INFO L93 Difference]: Finished difference Result 30676 states and 40947 transitions. [2021-11-03 05:08:28,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-03 05:08:28,723 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-11-03 05:08:28,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:08:28,767 INFO L225 Difference]: With dead ends: 30676 [2021-11-03 05:08:28,767 INFO L226 Difference]: Without dead ends: 20631 [2021-11-03 05:08:28,779 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2021-11-03 05:08:28,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20631 states. [2021-11-03 05:08:30,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20631 to 10086. [2021-11-03 05:08:30,498 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) [2021-11-03 05:08:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10086 states to 10086 states and 13440 transitions. [2021-11-03 05:08:30,517 INFO L78 Accepts]: Start accepts. Automaton has 10086 states and 13440 transitions. Word has length 66 [2021-11-03 05:08:30,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:08:30,518 INFO L470 AbstractCegarLoop]: Abstraction has 10086 states and 13440 transitions. [2021-11-03 05:08:30,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:08:30,518 INFO L276 IsEmpty]: Start isEmpty. Operand 10086 states and 13440 transitions. [2021-11-03 05:08:30,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-03 05:08:30,519 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:08:30,519 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] [2021-11-03 05:08:30,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-03 05:08:30,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:08:30,720 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)] === [2021-11-03 05:08:30,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:08:30,720 INFO L85 PathProgramCache]: Analyzing trace with hash -429536296, now seen corresponding path program 1 times [2021-11-03 05:08:30,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:08:30,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23910720] [2021-11-03 05:08:30,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:08:30,723 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:08:30,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:08:30,724 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:08:30,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-03 05:08:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:08:34,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 05:08:34,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:08:34,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:08:34,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:08:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:08:35,062 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:08:35,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [23910720] [2021-11-03 05:08:35,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [23910720] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:08:35,062 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:08:35,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-03 05:08:35,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031366971] [2021-11-03 05:08:35,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:08:35,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:08:35,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:08:35,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:08:35,063 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) [2021-11-03 05:08:48,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:08:48,016 INFO L93 Difference]: Finished difference Result 20352 states and 27105 transitions. [2021-11-03 05:08:48,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 05:08:48,017 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 [2021-11-03 05:08:48,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:08:48,034 INFO L225 Difference]: With dead ends: 20352 [2021-11-03 05:08:48,034 INFO L226 Difference]: Without dead ends: 10293 [2021-11-03 05:08:48,046 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 [2021-11-03 05:08:48,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10293 states. [2021-11-03 05:08:49,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10293 to 10293. [2021-11-03 05:08:49,775 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) [2021-11-03 05:08:49,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10293 states to 10293 states and 13647 transitions. [2021-11-03 05:08:49,795 INFO L78 Accepts]: Start accepts. Automaton has 10293 states and 13647 transitions. Word has length 68 [2021-11-03 05:08:49,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:08:49,795 INFO L470 AbstractCegarLoop]: Abstraction has 10293 states and 13647 transitions. [2021-11-03 05:08:49,795 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) [2021-11-03 05:08:49,796 INFO L276 IsEmpty]: Start isEmpty. Operand 10293 states and 13647 transitions. [2021-11-03 05:08:49,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-03 05:08:49,796 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:08:49,796 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] [2021-11-03 05:08:49,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-11-03 05:08:50,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:08:50,000 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)] === [2021-11-03 05:08:50,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:08:50,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1809059416, now seen corresponding path program 1 times [2021-11-03 05:08:50,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:08:50,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849187459] [2021-11-03 05:08:50,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:08:50,004 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:08:50,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:08:50,005 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:08:50,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-03 05:08:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:08:54,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 1649 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:08:54,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:08:54,923 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:08:54,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:08:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:08:55,409 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:08:55,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [849187459] [2021-11-03 05:08:55,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [849187459] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:08:55,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1910745053] [2021-11-03 05:08:55,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:08:55,409 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:08:55,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:08:55,412 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:08:55,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2021-11-03 05:08:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:08:58,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 1649 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:08:58,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:08:59,015 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-03 05:08:59,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:08:59,604 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-03 05:08:59,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1910745053] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:08:59,604 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:08:59,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6, 6] total 13 [2021-11-03 05:08:59,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137289650] [2021-11-03 05:08:59,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:08:59,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:08:59,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:08:59,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-03 05:08:59,606 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) [2021-11-03 05:09:06,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:09:06,498 INFO L93 Difference]: Finished difference Result 12228 states and 16149 transitions. [2021-11-03 05:09:06,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 05:09:06,499 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 [2021-11-03 05:09:06,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:09:06,538 INFO L225 Difference]: With dead ends: 12228 [2021-11-03 05:09:06,538 INFO L226 Difference]: Without dead ends: 12040 [2021-11-03 05:09:06,543 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-11-03 05:09:06,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12040 states. [2021-11-03 05:09:08,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12040 to 10656. [2021-11-03 05:09:08,510 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) [2021-11-03 05:09:08,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10656 states to 10656 states and 14362 transitions. [2021-11-03 05:09:08,533 INFO L78 Accepts]: Start accepts. Automaton has 10656 states and 14362 transitions. Word has length 82 [2021-11-03 05:09:08,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:09:08,533 INFO L470 AbstractCegarLoop]: Abstraction has 10656 states and 14362 transitions. [2021-11-03 05:09:08,533 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) [2021-11-03 05:09:08,534 INFO L276 IsEmpty]: Start isEmpty. Operand 10656 states and 14362 transitions. [2021-11-03 05:09:08,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-03 05:09:08,535 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:09:08,535 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:09:08,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-03 05:09:08,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2021-11-03 05:09:08,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 05:09:08,944 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)] === [2021-11-03 05:09:08,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:09:08,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1869590637, now seen corresponding path program 1 times [2021-11-03 05:09:08,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:09:08,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2072586162] [2021-11-03 05:09:08,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:09:08,948 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:09:08,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:09:08,949 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:09:08,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-03 05:09:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:09:13,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 1484 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-03 05:09:13,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:09:13,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:09:13,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:09:14,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:09:14,060 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:09:14,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2072586162] [2021-11-03 05:09:14,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2072586162] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:09:14,060 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:09:14,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 15 [2021-11-03 05:09:14,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993607325] [2021-11-03 05:09:14,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-03 05:09:14,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:09:14,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-03 05:09:14,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-11-03 05:09:14,062 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) [2021-11-03 05:09:23,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:09:23,939 INFO L93 Difference]: Finished difference Result 24114 states and 32085 transitions. [2021-11-03 05:09:23,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-03 05:09:23,940 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 [2021-11-03 05:09:23,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:09:24,003 INFO L225 Difference]: With dead ends: 24114 [2021-11-03 05:09:24,003 INFO L226 Difference]: Without dead ends: 21917 [2021-11-03 05:09:24,016 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=348, Invalid=984, Unknown=0, NotChecked=0, Total=1332 [2021-11-03 05:09:24,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21917 states. [2021-11-03 05:09:26,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21917 to 10664. [2021-11-03 05:09:26,403 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) [2021-11-03 05:09:26,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10664 states to 10664 states and 14370 transitions. [2021-11-03 05:09:26,424 INFO L78 Accepts]: Start accepts. Automaton has 10664 states and 14370 transitions. Word has length 97 [2021-11-03 05:09:26,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:09:26,424 INFO L470 AbstractCegarLoop]: Abstraction has 10664 states and 14370 transitions. [2021-11-03 05:09:26,425 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) [2021-11-03 05:09:26,425 INFO L276 IsEmpty]: Start isEmpty. Operand 10664 states and 14370 transitions. [2021-11-03 05:09:26,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-03 05:09:26,426 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:09:26,426 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:09:26,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2021-11-03 05:09:26,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:09:26,626 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)] === [2021-11-03 05:09:26,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:09:26,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1514012050, now seen corresponding path program 1 times [2021-11-03 05:09:26,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:09:26,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [511560604] [2021-11-03 05:09:26,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:09:26,630 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:09:26,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:09:26,635 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:09:26,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-03 05:09:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:09:30,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 1526 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:09:30,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:09:30,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:09:30,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:09:31,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:09:31,145 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:09:31,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [511560604] [2021-11-03 05:09:31,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [511560604] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:09:31,145 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:09:31,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 05:09:31,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007668664] [2021-11-03 05:09:31,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:09:31,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:09:31,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:09:31,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:09:31,146 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) [2021-11-03 05:09:42,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:09:42,910 INFO L93 Difference]: Finished difference Result 40808 states and 54147 transitions. [2021-11-03 05:09:42,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 05:09:42,912 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 [2021-11-03 05:09:42,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:09:42,991 INFO L225 Difference]: With dead ends: 40808 [2021-11-03 05:09:42,992 INFO L226 Difference]: Without dead ends: 30171 [2021-11-03 05:09:43,010 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 [2021-11-03 05:09:43,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30171 states. [2021-11-03 05:09:45,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30171 to 10710. [2021-11-03 05:09:45,527 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) [2021-11-03 05:09:45,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10710 states to 10710 states and 14416 transitions. [2021-11-03 05:09:45,549 INFO L78 Accepts]: Start accepts. Automaton has 10710 states and 14416 transitions. Word has length 97 [2021-11-03 05:09:45,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:09:45,550 INFO L470 AbstractCegarLoop]: Abstraction has 10710 states and 14416 transitions. [2021-11-03 05:09:45,550 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) [2021-11-03 05:09:45,550 INFO L276 IsEmpty]: Start isEmpty. Operand 10710 states and 14416 transitions. [2021-11-03 05:09:45,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-03 05:09:45,551 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:09:45,551 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] [2021-11-03 05:09:45,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-11-03 05:09:45,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:09:45,752 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)] === [2021-11-03 05:09:45,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:09:45,752 INFO L85 PathProgramCache]: Analyzing trace with hash 656296458, now seen corresponding path program 1 times [2021-11-03 05:09:45,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:09:45,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776957125] [2021-11-03 05:09:45,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:09:45,755 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:09:45,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:09:45,756 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:09:45,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-11-03 05:09:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:09:50,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 1727 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:09:50,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:09:51,032 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:09:51,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:09:51,492 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:09:51,492 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:09:51,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776957125] [2021-11-03 05:09:51,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776957125] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:09:51,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1100705895] [2021-11-03 05:09:51,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:09:51,493 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:09:51,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:09:51,495 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:09:51,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2021-11-03 05:09:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:09:54,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 1727 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:09:54,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:09:55,112 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-03 05:09:55,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:09:55,449 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-03 05:09:55,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1100705895] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:09:55,450 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:09:55,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [6, 6] total 14 [2021-11-03 05:09:55,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775098777] [2021-11-03 05:09:55,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:09:55,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:09:55,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:09:55,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-03 05:09:55,451 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) [2021-11-03 05:10:08,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:10:08,917 INFO L93 Difference]: Finished difference Result 17736 states and 24302 transitions. [2021-11-03 05:10:08,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 05:10:08,918 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 [2021-11-03 05:10:08,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:10:08,964 INFO L225 Difference]: With dead ends: 17736 [2021-11-03 05:10:08,965 INFO L226 Difference]: Without dead ends: 17548 [2021-11-03 05:10:08,973 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-11-03 05:10:09,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17548 states. [2021-11-03 05:10:11,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17548 to 10591. [2021-11-03 05:10:11,629 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) [2021-11-03 05:10:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10591 states to 10591 states and 14297 transitions. [2021-11-03 05:10:11,651 INFO L78 Accepts]: Start accepts. Automaton has 10591 states and 14297 transitions. Word has length 97 [2021-11-03 05:10:11,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:10:11,652 INFO L470 AbstractCegarLoop]: Abstraction has 10591 states and 14297 transitions. [2021-11-03 05:10:11,652 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) [2021-11-03 05:10:11,652 INFO L276 IsEmpty]: Start isEmpty. Operand 10591 states and 14297 transitions. [2021-11-03 05:10:11,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-03 05:10:11,655 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:10:11,656 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] [2021-11-03 05:10:11,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2021-11-03 05:10:11,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2021-11-03 05:10:12,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:10:12,072 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)] === [2021-11-03 05:10:12,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:10:12,073 INFO L85 PathProgramCache]: Analyzing trace with hash 802434169, now seen corresponding path program 1 times [2021-11-03 05:10:12,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:10:12,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1711123155] [2021-11-03 05:10:12,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:10:12,076 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:10:12,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:10:12,077 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:10:12,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-03 05:10:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:10:17,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 1935 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:10:17,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:10:17,889 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:10:17,890 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:10:18,458 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:10:18,458 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:10:18,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1711123155] [2021-11-03 05:10:18,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1711123155] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:10:18,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1259863350] [2021-11-03 05:10:18,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:10:18,459 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:10:18,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:10:18,460 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:10:18,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2021-11-03 05:10:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:10:21,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 1935 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:10:21,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:10:22,382 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-03 05:10:22,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:10:22,647 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-03 05:10:22,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1259863350] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:10:22,647 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:10:22,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [6, 6] total 13 [2021-11-03 05:10:22,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321543504] [2021-11-03 05:10:22,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 05:10:22,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:10:22,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 05:10:22,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-03 05:10:22,649 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) [2021-11-03 05:10:25,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:10:25,106 INFO L93 Difference]: Finished difference Result 21169 states and 28950 transitions. [2021-11-03 05:10:25,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 05:10:25,116 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 [2021-11-03 05:10:25,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:10:25,155 INFO L225 Difference]: With dead ends: 21169 [2021-11-03 05:10:25,155 INFO L226 Difference]: Without dead ends: 10605 [2021-11-03 05:10:25,174 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 [2021-11-03 05:10:25,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10605 states. [2021-11-03 05:10:27,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10605 to 10599. [2021-11-03 05:10:27,457 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) [2021-11-03 05:10:27,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10599 states to 10599 states and 14305 transitions. [2021-11-03 05:10:27,483 INFO L78 Accepts]: Start accepts. Automaton has 10599 states and 14305 transitions. Word has length 123 [2021-11-03 05:10:27,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:10:27,484 INFO L470 AbstractCegarLoop]: Abstraction has 10599 states and 14305 transitions. [2021-11-03 05:10:27,484 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) [2021-11-03 05:10:27,484 INFO L276 IsEmpty]: Start isEmpty. Operand 10599 states and 14305 transitions. [2021-11-03 05:10:27,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-03 05:10:27,486 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:10:27,487 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] [2021-11-03 05:10:27,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2021-11-03 05:10:27,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2021-11-03 05:10:27,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:10:27,888 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)] === [2021-11-03 05:10:27,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:10:27,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1060599607, now seen corresponding path program 1 times [2021-11-03 05:10:27,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:10:27,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1838594908] [2021-11-03 05:10:27,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:10:27,894 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:10:27,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:10:27,895 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:10:27,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2021-11-03 05:10:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:10:33,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 1935 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:10:33,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:10:33,743 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:10:33,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:10:34,317 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:10:34,317 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:10:34,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1838594908] [2021-11-03 05:10:34,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1838594908] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:10:34,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1587842071] [2021-11-03 05:10:34,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:10:34,318 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:10:34,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:10:34,319 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:10:34,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2021-11-03 05:10:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:10:37,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 1935 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 05:10:37,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:10:38,580 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-03 05:10:38,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:10:39,274 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-03 05:10:39,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1587842071] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:10:39,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:10:39,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [6, 6] total 20 [2021-11-03 05:10:39,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263702989] [2021-11-03 05:10:39,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-03 05:10:39,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:10:39,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-03 05:10:39,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-11-03 05:10:39,276 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) [2021-11-03 05:10:44,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:10:44,940 INFO L93 Difference]: Finished difference Result 21083 states and 28702 transitions. [2021-11-03 05:10:44,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-03 05:10:44,941 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 [2021-11-03 05:10:44,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:10:44,973 INFO L225 Difference]: With dead ends: 21083 [2021-11-03 05:10:44,973 INFO L226 Difference]: Without dead ends: 10511 [2021-11-03 05:10:44,992 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=73, Invalid=479, Unknown=0, NotChecked=0, Total=552 [2021-11-03 05:10:45,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10511 states. [2021-11-03 05:10:47,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10511 to 10501. [2021-11-03 05:10:47,353 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) [2021-11-03 05:10:47,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10501 states to 10501 states and 14074 transitions. [2021-11-03 05:10:47,374 INFO L78 Accepts]: Start accepts. Automaton has 10501 states and 14074 transitions. Word has length 123 [2021-11-03 05:10:47,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:10:47,374 INFO L470 AbstractCegarLoop]: Abstraction has 10501 states and 14074 transitions. [2021-11-03 05:10:47,374 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) [2021-11-03 05:10:47,374 INFO L276 IsEmpty]: Start isEmpty. Operand 10501 states and 14074 transitions. [2021-11-03 05:10:47,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-03 05:10:47,376 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:10:47,376 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] [2021-11-03 05:10:47,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2021-11-03 05:10:47,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2021-11-03 05:10:47,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 05:10:47,777 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)] === [2021-11-03 05:10:47,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:10:47,777 INFO L85 PathProgramCache]: Analyzing trace with hash 215945546, now seen corresponding path program 1 times [2021-11-03 05:10:47,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:10:47,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198575888] [2021-11-03 05:10:47,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:10:47,780 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:10:47,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:10:47,781 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:10:47,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2021-11-03 05:10:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:10:52,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 1640 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-03 05:10:52,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:10:53,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:10:53,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:10:53,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:10:53,867 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:10:53,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198575888] [2021-11-03 05:10:53,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1198575888] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:10:53,868 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:10:53,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 11 [2021-11-03 05:10:53,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634349479] [2021-11-03 05:10:53,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-03 05:10:53,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:10:53,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-03 05:10:53,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-03 05:10:53,869 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) [2021-11-03 05:11:16,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:11:16,677 INFO L93 Difference]: Finished difference Result 34187 states and 44988 transitions. [2021-11-03 05:11:16,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-03 05:11:16,681 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 119 [2021-11-03 05:11:16,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:11:16,778 INFO L225 Difference]: With dead ends: 34187 [2021-11-03 05:11:16,779 INFO L226 Difference]: Without dead ends: 32326 [2021-11-03 05:11:16,795 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 730 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=617, Invalid=1933, Unknown=0, NotChecked=0, Total=2550 [2021-11-03 05:11:16,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32326 states. [2021-11-03 05:11:19,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32326 to 10506. [2021-11-03 05:11:19,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10506 states, 10129 states have (on average 1.3406061802744595) internal successors, (13579), 10360 states have internal predecessors, (13579), 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) [2021-11-03 05:11:19,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10506 states to 10506 states and 14079 transitions. [2021-11-03 05:11:19,744 INFO L78 Accepts]: Start accepts. Automaton has 10506 states and 14079 transitions. Word has length 119 [2021-11-03 05:11:19,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:11:19,744 INFO L470 AbstractCegarLoop]: Abstraction has 10506 states and 14079 transitions. [2021-11-03 05:11:19,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-11-03 05:11:19,744 INFO L276 IsEmpty]: Start isEmpty. Operand 10506 states and 14079 transitions. [2021-11-03 05:11:19,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-03 05:11:19,746 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:11:19,746 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, 1, 1, 1] [2021-11-03 05:11:19,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (43)] Ended with exit code 0 [2021-11-03 05:11:19,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:11:19,946 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-03 05:11:19,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:11:19,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1860654468, now seen corresponding path program 1 times [2021-11-03 05:11:19,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:11:19,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [531643144] [2021-11-03 05:11:19,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:11:19,950 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:11:19,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:11:19,954 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:11:19,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2021-11-03 05:11:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:11:25,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 1933 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:11:25,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:11:26,062 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:11:26,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:11:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:11:26,692 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:11:26,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [531643144] [2021-11-03 05:11:26,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [531643144] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:11:26,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [763030490] [2021-11-03 05:11:26,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:11:26,692 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:11:26,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:11:26,700 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:11:26,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2021-11-03 05:11:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:11:33,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 1933 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:11:33,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:11:33,557 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:11:33,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:11:34,031 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:11:34,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [763030490] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:11:34,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443131317] [2021-11-03 05:11:34,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:11:34,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:11:34,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:11:34,040 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:11:34,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2021-11-03 05:11:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:11:37,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 1933 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-03 05:11:37,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:11:38,446 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-03 05:11:38,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:11:39,098 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-03 05:11:39,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443131317] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:11:39,098 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-03 05:11:39,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [6, 6, 6, 6] total 14 [2021-11-03 05:11:39,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910718932] [2021-11-03 05:11:39,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:11:39,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:11:39,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:11:39,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-03 05:11:39,101 INFO L87 Difference]: Start difference. First operand 10506 states and 14079 transitions. Second operand has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:11:44,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:11:44,467 INFO L93 Difference]: Finished difference Result 10514 states and 14089 transitions. [2021-11-03 05:11:44,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 05:11:44,467 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-11-03 05:11:44,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:11:44,495 INFO L225 Difference]: With dead ends: 10514 [2021-11-03 05:11:44,495 INFO L226 Difference]: Without dead ends: 10512 [2021-11-03 05:11:44,501 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 754 GetRequests, 739 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-11-03 05:11:44,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10512 states. [2021-11-03 05:11:47,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10512 to 10506. [2021-11-03 05:11:47,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10506 states, 10129 states have (on average 1.3401125481291343) internal successors, (13574), 10360 states have internal predecessors, (13574), 225 states have call successors, (225), 38 states have call predecessors, (225), 40 states have return successors, (276), 188 states have call predecessors, (276), 225 states have call successors, (276) [2021-11-03 05:11:47,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10506 states to 10506 states and 14075 transitions. [2021-11-03 05:11:47,094 INFO L78 Accepts]: Start accepts. Automaton has 10506 states and 14075 transitions. Word has length 126 [2021-11-03 05:11:47,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:11:47,094 INFO L470 AbstractCegarLoop]: Abstraction has 10506 states and 14075 transitions. [2021-11-03 05:11:47,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:11:47,094 INFO L276 IsEmpty]: Start isEmpty. Operand 10506 states and 14075 transitions. [2021-11-03 05:11:47,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-03 05:11:47,095 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:11:47,096 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:11:47,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (44)] Ended with exit code 0 [2021-11-03 05:11:47,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2021-11-03 05:11:47,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2021-11-03 05:11:47,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:11:47,697 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION === [u132_hcd_giveback_urbErr0ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr1ASSERT_VIOLATIONERROR_FUNCTION, u132_hcd_giveback_urbErr2ASSERT_VIOLATIONERROR_FUNCTION (and 367 more)] === [2021-11-03 05:11:47,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:11:47,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1294076961, now seen corresponding path program 1 times [2021-11-03 05:11:47,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:11:47,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933267403] [2021-11-03 05:11:47,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:11:47,700 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:11:47,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:11:47,701 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:11:47,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2021-11-03 05:11:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:11:53,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 1962 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:11:53,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:11:54,002 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:11:54,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:11:54,603 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:11:54,603 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:11:54,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1933267403] [2021-11-03 05:11:54,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1933267403] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:11:54,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1468681180] [2021-11-03 05:11:54,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:11:54,604 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:11:54,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:11:54,605 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:11:54,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2021-11-03 05:11:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:11:58,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 1962 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:11:58,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:11:59,173 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-03 05:11:59,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:11:59,522 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-03 05:11:59,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1468681180] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:11:59,523 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:11:59,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [6, 6] total 14 [2021-11-03 05:11:59,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628610412] [2021-11-03 05:11:59,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:11:59,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:11:59,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:11:59,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-03 05:11:59,525 INFO L87 Difference]: Start difference. First operand 10506 states and 14075 transitions. Second operand has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:12:08,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:12:08,295 INFO L93 Difference]: Finished difference Result 10512 states and 14083 transitions. [2021-11-03 05:12:08,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 05:12:08,295 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-11-03 05:12:08,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:12:08,320 INFO L225 Difference]: With dead ends: 10512 [2021-11-03 05:12:08,320 INFO L226 Difference]: Without dead ends: 10510 [2021-11-03 05:12:08,326 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-11-03 05:12:08,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10510 states. [2021-11-03 05:12:10,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10510 to 10504. [2021-11-03 05:12:10,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10504 states, 10128 states have (on average 1.339652448657188) internal successors, (13568), 10358 states have internal predecessors, (13568), 225 states have call successors, (225), 38 states have call predecessors, (225), 40 states have return successors, (276), 188 states have call predecessors, (276), 225 states have call successors, (276) [2021-11-03 05:12:10,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10504 states to 10504 states and 14069 transitions. [2021-11-03 05:12:10,893 INFO L78 Accepts]: Start accepts. Automaton has 10504 states and 14069 transitions. Word has length 131 [2021-11-03 05:12:10,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:12:10,894 INFO L470 AbstractCegarLoop]: Abstraction has 10504 states and 14069 transitions. [2021-11-03 05:12:10,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:12:10,895 INFO L276 IsEmpty]: Start isEmpty. Operand 10504 states and 14069 transitions. [2021-11-03 05:12:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-03 05:12:10,904 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:12:10,905 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:12:10,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (47)] Forceful destruction successful, exit code 0 [2021-11-03 05:12:11,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2021-11-03 05:12:11,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3,48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt [2021-11-03 05:12:11,328 INFO L402 AbstractCegarLoop]: === Iteration 41 === 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)] === [2021-11-03 05:12:11,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:12:11,329 INFO L85 PathProgramCache]: Analyzing trace with hash 583376957, now seen corresponding path program 1 times [2021-11-03 05:12:11,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:12:11,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [132593699] [2021-11-03 05:12:11,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:12:11,332 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:12:11,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:12:11,333 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:12:11,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2021-11-03 05:12:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:12:17,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 1964 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:12:17,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:12:18,011 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:12:18,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:12:18,746 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:12:18,746 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:12:18,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [132593699] [2021-11-03 05:12:18,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [132593699] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:12:18,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [719994647] [2021-11-03 05:12:18,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:12:18,747 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-03 05:12:18,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 [2021-11-03 05:12:18,748 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-03 05:12:18,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4cfb0-beec-4988-9665-4f0b360cfbad/bin/utaipan-aC7eJsxGYH/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process