./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--block--xen-blkfront.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_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/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_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/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_54c304f0-d9fc-4383-87da-3122348f5d9b/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 dedd6e816706b4c34868dad2bcfd19a22eb16a791a20ccdf71875d228cd47b87 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:14:46,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:14:46,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:14:46,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:14:46,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:14:46,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:14:46,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:14:46,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:14:46,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:14:46,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:14:46,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:14:46,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:14:46,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:14:46,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:14:46,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:14:46,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:14:46,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:14:46,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:14:46,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:14:46,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:14:46,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:14:46,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:14:46,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:14:46,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:14:46,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:14:46,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:14:46,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:14:46,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:14:46,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:14:46,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:14:46,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:14:46,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:14:46,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:14:46,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:14:46,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:14:46,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:14:46,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:14:46,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:14:46,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:14:46,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:14:46,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:14:46,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 04:14:46,205 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:14:46,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:14:46,206 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:14:46,206 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:14:46,207 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:14:46,207 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:14:46,207 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:14:46,207 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:14:46,208 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:14:46,208 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:14:46,208 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:14:46,208 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:14:46,209 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:14:46,209 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:14:46,209 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:14:46,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:14:46,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:14:46,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:14:46,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:14:46,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:14:46,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:14:46,211 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:14:46,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:14:46,212 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:14:46,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:14:46,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:14:46,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:14:46,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:14:46,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:14:46,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:14:46,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:14:46,214 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:14:46,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:14:46,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:14:46,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:14:46,215 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:14:46,215 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_54c304f0-d9fc-4383-87da-3122348f5d9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dedd6e816706b4c34868dad2bcfd19a22eb16a791a20ccdf71875d228cd47b87 [2021-11-03 04:14:46,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:14:46,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:14:46,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:14:46,539 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:14:46,540 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:14:46,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i [2021-11-03 04:14:46,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/data/ef4fe1a6b/686453d421994786b7922d3c1d047824/FLAGac3fb91f1 [2021-11-03 04:14:47,420 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:14:47,421 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i [2021-11-03 04:14:47,478 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/data/ef4fe1a6b/686453d421994786b7922d3c1d047824/FLAGac3fb91f1 [2021-11-03 04:14:47,929 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/data/ef4fe1a6b/686453d421994786b7922d3c1d047824 [2021-11-03 04:14:47,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:14:47,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:14:47,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:14:47,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:14:47,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:14:47,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:14:47" (1/1) ... [2021-11-03 04:14:47,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@590d3422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:14:47, skipping insertion in model container [2021-11-03 04:14:47,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:14:47" (1/1) ... [2021-11-03 04:14:47,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:14:48,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:14:50,229 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 04:14:50,231 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 04:14:50,234 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 04:14:50,243 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 04:14:50,376 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 04:14:50,492 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 04:14:50,498 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 04:14:50,499 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 04:14:50,500 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 04:14:50,502 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 04:14:50,503 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 04:14:50,503 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 04:14:50,591 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 04:14:50,592 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 04:14:50,593 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 04:14:50,623 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 04:14:50,624 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 04:14:50,624 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 04:14:52,312 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373036,373049] [2021-11-03 04:14:52,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373181,373194] [2021-11-03 04:14:52,325 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373327,373340] [2021-11-03 04:14:52,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373492,373505] [2021-11-03 04:14:52,327 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373650,373663] [2021-11-03 04:14:52,328 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373808,373821] [2021-11-03 04:14:52,331 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373966,373979] [2021-11-03 04:14:52,333 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374126,374139] [2021-11-03 04:14:52,333 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374285,374298] [2021-11-03 04:14:52,334 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374424,374437] [2021-11-03 04:14:52,334 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374566,374579] [2021-11-03 04:14:52,336 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374715,374728] [2021-11-03 04:14:52,336 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374854,374867] [2021-11-03 04:14:52,337 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375009,375022] [2021-11-03 04:14:52,337 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375169,375182] [2021-11-03 04:14:52,338 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375320,375333] [2021-11-03 04:14:52,338 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375471,375484] [2021-11-03 04:14:52,343 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375623,375636] [2021-11-03 04:14:52,343 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375772,375785] [2021-11-03 04:14:52,345 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375920,375933] [2021-11-03 04:14:52,345 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376077,376090] [2021-11-03 04:14:52,346 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376226,376239] [2021-11-03 04:14:52,346 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376382,376395] [2021-11-03 04:14:52,347 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376535,376548] [2021-11-03 04:14:52,348 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376681,376694] [2021-11-03 04:14:52,348 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376824,376837] [2021-11-03 04:14:52,349 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376976,376989] [2021-11-03 04:14:52,349 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377122,377135] [2021-11-03 04:14:52,350 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377267,377280] [2021-11-03 04:14:52,351 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377421,377434] [2021-11-03 04:14:52,351 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377572,377585] [2021-11-03 04:14:52,352 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377727,377740] [2021-11-03 04:14:52,352 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377879,377892] [2021-11-03 04:14:52,353 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378034,378047] [2021-11-03 04:14:52,353 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378198,378211] [2021-11-03 04:14:52,354 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378354,378367] [2021-11-03 04:14:52,354 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378518,378531] [2021-11-03 04:14:52,355 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378660,378673] [2021-11-03 04:14:52,356 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378818,378831] [2021-11-03 04:14:52,356 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378985,378998] [2021-11-03 04:14:52,357 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379144,379157] [2021-11-03 04:14:52,357 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379303,379316] [2021-11-03 04:14:52,357 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379452,379465] [2021-11-03 04:14:52,359 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379599,379612] [2021-11-03 04:14:52,359 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379738,379751] [2021-11-03 04:14:52,360 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379901,379914] [2021-11-03 04:14:52,360 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380067,380080] [2021-11-03 04:14:52,361 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380231,380244] [2021-11-03 04:14:52,362 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380396,380409] [2021-11-03 04:14:52,362 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380561,380574] [2021-11-03 04:14:52,363 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380727,380740] [2021-11-03 04:14:52,363 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380892,380905] [2021-11-03 04:14:52,363 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381059,381072] [2021-11-03 04:14:52,364 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381219,381232] [2021-11-03 04:14:52,364 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381381,381394] [2021-11-03 04:14:52,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381540,381553] [2021-11-03 04:14:52,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381686,381699] [2021-11-03 04:14:52,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381829,381842] [2021-11-03 04:14:52,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381973,381986] [2021-11-03 04:14:52,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382116,382129] [2021-11-03 04:14:52,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382260,382273] [2021-11-03 04:14:52,368 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382401,382414] [2021-11-03 04:14:52,368 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382539,382552] [2021-11-03 04:14:52,369 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382697,382710] [2021-11-03 04:14:52,369 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382856,382869] [2021-11-03 04:14:52,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383012,383025] [2021-11-03 04:14:52,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383161,383174] [2021-11-03 04:14:52,371 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383313,383326] [2021-11-03 04:14:52,372 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383464,383477] [2021-11-03 04:14:52,372 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383613,383626] [2021-11-03 04:14:52,373 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383765,383778] [2021-11-03 04:14:52,373 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383913,383926] [2021-11-03 04:14:52,374 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384066,384079] [2021-11-03 04:14:52,374 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384217,384230] [2021-11-03 04:14:52,375 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384367,384380] [2021-11-03 04:14:52,376 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384514,384527] [2021-11-03 04:14:52,377 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384665,384678] [2021-11-03 04:14:52,377 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384816,384829] [2021-11-03 04:14:52,378 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384964,384977] [2021-11-03 04:14:52,378 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385130,385143] [2021-11-03 04:14:52,379 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385299,385312] [2021-11-03 04:14:52,379 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385466,385479] [2021-11-03 04:14:52,379 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385634,385647] [2021-11-03 04:14:52,380 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385784,385797] [2021-11-03 04:14:52,380 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385931,385944] [2021-11-03 04:14:52,381 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[386092,386105] [2021-11-03 04:14:52,381 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[386262,386275] [2021-11-03 04:14:52,381 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[386424,386437] [2021-11-03 04:14:52,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:14:52,423 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 04:14:52,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@597ca68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:14:52, skipping insertion in model container [2021-11-03 04:14:52,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:14:52,424 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 04:14:52,431 INFO L168 Benchmark]: Toolchain (without parser) took 4492.40 ms. Allocated memory was 100.7 MB in the beginning and 140.5 MB in the end (delta: 39.8 MB). Free memory was 51.9 MB in the beginning and 62.7 MB in the end (delta: -10.8 MB). Peak memory consumption was 46.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:14:52,431 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 100.7 MB. Free memory is still 55.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:14:52,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4488.41 ms. Allocated memory was 100.7 MB in the beginning and 140.5 MB in the end (delta: 39.8 MB). Free memory was 51.7 MB in the beginning and 62.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 46.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:14:52,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 100.7 MB. Free memory is still 55.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4488.41 ms. Allocated memory was 100.7 MB in the beginning and 140.5 MB in the end (delta: 39.8 MB). Free memory was 51.7 MB in the beginning and 62.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 46.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5767]: 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_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/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_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/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_54c304f0-d9fc-4383-87da-3122348f5d9b/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 dedd6e816706b4c34868dad2bcfd19a22eb16a791a20ccdf71875d228cd47b87 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:14:54,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:14:54,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:14:54,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:14:54,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:14:54,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:14:54,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:14:54,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:14:54,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:14:54,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:14:54,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:14:54,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:14:54,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:14:54,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:14:54,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:14:54,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:14:54,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:14:54,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:14:54,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:14:54,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:14:54,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:14:54,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:14:54,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:14:54,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:14:54,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:14:54,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:14:54,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:14:54,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:14:54,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:14:54,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:14:54,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:14:54,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:14:54,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:14:54,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:14:54,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:14:54,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:14:54,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:14:54,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:14:54,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:14:54,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:14:54,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:14:54,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 04:14:54,873 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:14:54,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:14:54,874 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:14:54,874 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:14:54,875 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:14:54,875 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:14:54,875 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:14:54,875 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:14:54,875 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:14:54,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:14:54,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:14:54,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:14:54,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:14:54,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:14:54,877 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:14:54,877 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:14:54,878 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:14:54,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:14:54,878 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:14:54,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:14:54,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:14:54,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:14:54,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:14:54,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:14:54,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:14:54,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:14:54,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:14:54,880 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:14:54,880 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:14:54,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:14:54,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:14:54,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:14:54,881 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_54c304f0-d9fc-4383-87da-3122348f5d9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dedd6e816706b4c34868dad2bcfd19a22eb16a791a20ccdf71875d228cd47b87 [2021-11-03 04:14:55,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:14:55,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:14:55,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:14:55,373 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:14:55,373 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:14:55,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i [2021-11-03 04:14:55,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/data/111a5639c/4ef7426f9bee46989a149b0c763afb78/FLAG6771426e3 [2021-11-03 04:14:56,517 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:14:56,519 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i [2021-11-03 04:14:56,582 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/data/111a5639c/4ef7426f9bee46989a149b0c763afb78/FLAG6771426e3 [2021-11-03 04:14:56,857 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/data/111a5639c/4ef7426f9bee46989a149b0c763afb78 [2021-11-03 04:14:56,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:14:56,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:14:56,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:14:56,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:14:56,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:14:56,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:14:56" (1/1) ... [2021-11-03 04:14:56,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19394a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:14:56, skipping insertion in model container [2021-11-03 04:14:56,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:14:56" (1/1) ... [2021-11-03 04:14:56,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:14:57,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:15:01,133 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373036,373049] [2021-11-03 04:15:01,136 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373181,373194] [2021-11-03 04:15:01,143 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373327,373340] [2021-11-03 04:15:01,143 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373492,373505] [2021-11-03 04:15:01,144 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373650,373663] [2021-11-03 04:15:01,145 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373808,373821] [2021-11-03 04:15:01,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373966,373979] [2021-11-03 04:15:01,147 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374126,374139] [2021-11-03 04:15:01,147 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374285,374298] [2021-11-03 04:15:01,148 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374424,374437] [2021-11-03 04:15:01,148 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374566,374579] [2021-11-03 04:15:01,153 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374715,374728] [2021-11-03 04:15:01,154 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374854,374867] [2021-11-03 04:15:01,155 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375009,375022] [2021-11-03 04:15:01,155 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375169,375182] [2021-11-03 04:15:01,156 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375320,375333] [2021-11-03 04:15:01,156 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375471,375484] [2021-11-03 04:15:01,157 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375623,375636] [2021-11-03 04:15:01,158 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375772,375785] [2021-11-03 04:15:01,159 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375920,375933] [2021-11-03 04:15:01,159 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376077,376090] [2021-11-03 04:15:01,161 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376226,376239] [2021-11-03 04:15:01,162 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376382,376395] [2021-11-03 04:15:01,164 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376535,376548] [2021-11-03 04:15:01,165 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376681,376694] [2021-11-03 04:15:01,165 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376824,376837] [2021-11-03 04:15:01,166 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376976,376989] [2021-11-03 04:15:01,166 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377122,377135] [2021-11-03 04:15:01,167 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377267,377280] [2021-11-03 04:15:01,168 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377421,377434] [2021-11-03 04:15:01,169 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377572,377585] [2021-11-03 04:15:01,169 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377727,377740] [2021-11-03 04:15:01,170 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377879,377892] [2021-11-03 04:15:01,171 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378034,378047] [2021-11-03 04:15:01,171 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378198,378211] [2021-11-03 04:15:01,172 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378354,378367] [2021-11-03 04:15:01,172 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378518,378531] [2021-11-03 04:15:01,173 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378660,378673] [2021-11-03 04:15:01,174 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378818,378831] [2021-11-03 04:15:01,175 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378985,378998] [2021-11-03 04:15:01,175 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379144,379157] [2021-11-03 04:15:01,176 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379303,379316] [2021-11-03 04:15:01,177 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379452,379465] [2021-11-03 04:15:01,178 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379599,379612] [2021-11-03 04:15:01,178 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379738,379751] [2021-11-03 04:15:01,179 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379901,379914] [2021-11-03 04:15:01,179 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380067,380080] [2021-11-03 04:15:01,180 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380231,380244] [2021-11-03 04:15:01,181 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380396,380409] [2021-11-03 04:15:01,181 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380561,380574] [2021-11-03 04:15:01,182 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380727,380740] [2021-11-03 04:15:01,182 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380892,380905] [2021-11-03 04:15:01,182 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381059,381072] [2021-11-03 04:15:01,183 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381219,381232] [2021-11-03 04:15:01,183 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381381,381394] [2021-11-03 04:15:01,184 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381540,381553] [2021-11-03 04:15:01,184 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381686,381699] [2021-11-03 04:15:01,184 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381829,381842] [2021-11-03 04:15:01,185 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381973,381986] [2021-11-03 04:15:01,185 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382116,382129] [2021-11-03 04:15:01,185 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382260,382273] [2021-11-03 04:15:01,186 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382401,382414] [2021-11-03 04:15:01,187 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382539,382552] [2021-11-03 04:15:01,187 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382697,382710] [2021-11-03 04:15:01,188 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382856,382869] [2021-11-03 04:15:01,188 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383012,383025] [2021-11-03 04:15:01,188 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383161,383174] [2021-11-03 04:15:01,189 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383313,383326] [2021-11-03 04:15:01,189 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383464,383477] [2021-11-03 04:15:01,189 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383613,383626] [2021-11-03 04:15:01,190 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383765,383778] [2021-11-03 04:15:01,190 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383913,383926] [2021-11-03 04:15:01,190 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384066,384079] [2021-11-03 04:15:01,191 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384217,384230] [2021-11-03 04:15:01,191 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384367,384380] [2021-11-03 04:15:01,192 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384514,384527] [2021-11-03 04:15:01,192 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384665,384678] [2021-11-03 04:15:01,192 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384816,384829] [2021-11-03 04:15:01,193 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384964,384977] [2021-11-03 04:15:01,193 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385130,385143] [2021-11-03 04:15:01,194 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385299,385312] [2021-11-03 04:15:01,195 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385466,385479] [2021-11-03 04:15:01,195 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385634,385647] [2021-11-03 04:15:01,196 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385784,385797] [2021-11-03 04:15:01,196 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385931,385944] [2021-11-03 04:15:01,197 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_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[386092,386105] [2021-11-03 04:15:01,197 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_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[386262,386275] [2021-11-03 04:15:01,197 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_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[386424,386437] [2021-11-03 04:15:01,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:15:01,287 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:15:01,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:15:01,824 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373036,373049] [2021-11-03 04:15:01,825 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373181,373194] [2021-11-03 04:15:01,825 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373327,373340] [2021-11-03 04:15:01,827 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373492,373505] [2021-11-03 04:15:01,827 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373650,373663] [2021-11-03 04:15:01,828 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373808,373821] [2021-11-03 04:15:01,829 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373966,373979] [2021-11-03 04:15:01,829 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374126,374139] [2021-11-03 04:15:01,830 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374285,374298] [2021-11-03 04:15:01,830 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374424,374437] [2021-11-03 04:15:01,830 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374566,374579] [2021-11-03 04:15:01,835 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374715,374728] [2021-11-03 04:15:01,835 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374854,374867] [2021-11-03 04:15:01,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375009,375022] [2021-11-03 04:15:01,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375169,375182] [2021-11-03 04:15:01,837 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375320,375333] [2021-11-03 04:15:01,838 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375471,375484] [2021-11-03 04:15:01,838 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375623,375636] [2021-11-03 04:15:01,839 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375772,375785] [2021-11-03 04:15:01,839 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375920,375933] [2021-11-03 04:15:01,840 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376077,376090] [2021-11-03 04:15:01,840 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376226,376239] [2021-11-03 04:15:01,841 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376382,376395] [2021-11-03 04:15:01,841 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376535,376548] [2021-11-03 04:15:01,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376681,376694] [2021-11-03 04:15:01,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376824,376837] [2021-11-03 04:15:01,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376976,376989] [2021-11-03 04:15:01,843 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377122,377135] [2021-11-03 04:15:01,844 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377267,377280] [2021-11-03 04:15:01,844 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377421,377434] [2021-11-03 04:15:01,844 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377572,377585] [2021-11-03 04:15:01,845 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377727,377740] [2021-11-03 04:15:01,845 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377879,377892] [2021-11-03 04:15:01,850 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378034,378047] [2021-11-03 04:15:01,850 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378198,378211] [2021-11-03 04:15:01,851 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378354,378367] [2021-11-03 04:15:01,851 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378518,378531] [2021-11-03 04:15:01,851 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378660,378673] [2021-11-03 04:15:01,852 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378818,378831] [2021-11-03 04:15:01,853 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378985,378998] [2021-11-03 04:15:01,854 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379144,379157] [2021-11-03 04:15:01,854 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379303,379316] [2021-11-03 04:15:01,855 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379452,379465] [2021-11-03 04:15:01,855 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379599,379612] [2021-11-03 04:15:01,855 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379738,379751] [2021-11-03 04:15:01,856 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379901,379914] [2021-11-03 04:15:01,856 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380067,380080] [2021-11-03 04:15:01,857 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380231,380244] [2021-11-03 04:15:01,862 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380396,380409] [2021-11-03 04:15:01,862 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380561,380574] [2021-11-03 04:15:01,863 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380727,380740] [2021-11-03 04:15:01,863 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380892,380905] [2021-11-03 04:15:01,863 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381059,381072] [2021-11-03 04:15:01,864 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381219,381232] [2021-11-03 04:15:01,864 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381381,381394] [2021-11-03 04:15:01,865 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381540,381553] [2021-11-03 04:15:01,865 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381686,381699] [2021-11-03 04:15:01,865 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381829,381842] [2021-11-03 04:15:01,865 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381973,381986] [2021-11-03 04:15:01,867 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382116,382129] [2021-11-03 04:15:01,868 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382260,382273] [2021-11-03 04:15:01,871 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382401,382414] [2021-11-03 04:15:01,871 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382539,382552] [2021-11-03 04:15:01,872 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382697,382710] [2021-11-03 04:15:01,873 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382856,382869] [2021-11-03 04:15:01,874 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383012,383025] [2021-11-03 04:15:01,875 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383161,383174] [2021-11-03 04:15:01,875 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383313,383326] [2021-11-03 04:15:01,875 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383464,383477] [2021-11-03 04:15:01,876 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383613,383626] [2021-11-03 04:15:01,883 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383765,383778] [2021-11-03 04:15:01,883 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383913,383926] [2021-11-03 04:15:01,884 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384066,384079] [2021-11-03 04:15:01,884 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384217,384230] [2021-11-03 04:15:01,884 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384367,384380] [2021-11-03 04:15:01,884 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384514,384527] [2021-11-03 04:15:01,885 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384665,384678] [2021-11-03 04:15:01,885 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384816,384829] [2021-11-03 04:15:01,886 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384964,384977] [2021-11-03 04:15:01,887 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385130,385143] [2021-11-03 04:15:01,887 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385299,385312] [2021-11-03 04:15:01,888 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385466,385479] [2021-11-03 04:15:01,889 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385634,385647] [2021-11-03 04:15:01,889 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385784,385797] [2021-11-03 04:15:01,889 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385931,385944] [2021-11-03 04:15:01,890 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[386092,386105] [2021-11-03 04:15:01,890 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[386262,386275] [2021-11-03 04:15:01,890 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[386424,386437] [2021-11-03 04:15:01,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:15:01,916 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:15:02,378 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373036,373049] [2021-11-03 04:15:02,378 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373181,373194] [2021-11-03 04:15:02,379 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373327,373340] [2021-11-03 04:15:02,379 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373492,373505] [2021-11-03 04:15:02,380 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373650,373663] [2021-11-03 04:15:02,380 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373808,373821] [2021-11-03 04:15:02,380 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[373966,373979] [2021-11-03 04:15:02,381 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374126,374139] [2021-11-03 04:15:02,381 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374285,374298] [2021-11-03 04:15:02,381 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374424,374437] [2021-11-03 04:15:02,382 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374566,374579] [2021-11-03 04:15:02,382 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374715,374728] [2021-11-03 04:15:02,382 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[374854,374867] [2021-11-03 04:15:02,383 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375009,375022] [2021-11-03 04:15:02,383 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375169,375182] [2021-11-03 04:15:02,383 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375320,375333] [2021-11-03 04:15:02,384 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375471,375484] [2021-11-03 04:15:02,384 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375623,375636] [2021-11-03 04:15:02,384 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375772,375785] [2021-11-03 04:15:02,385 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[375920,375933] [2021-11-03 04:15:02,385 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376077,376090] [2021-11-03 04:15:02,386 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376226,376239] [2021-11-03 04:15:02,386 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376382,376395] [2021-11-03 04:15:02,386 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376535,376548] [2021-11-03 04:15:02,387 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376681,376694] [2021-11-03 04:15:02,387 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376824,376837] [2021-11-03 04:15:02,389 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[376976,376989] [2021-11-03 04:15:02,390 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377122,377135] [2021-11-03 04:15:02,390 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377267,377280] [2021-11-03 04:15:02,390 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377421,377434] [2021-11-03 04:15:02,391 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377572,377585] [2021-11-03 04:15:02,391 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377727,377740] [2021-11-03 04:15:02,391 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[377879,377892] [2021-11-03 04:15:02,392 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378034,378047] [2021-11-03 04:15:02,392 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378198,378211] [2021-11-03 04:15:02,392 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378354,378367] [2021-11-03 04:15:02,393 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378518,378531] [2021-11-03 04:15:02,393 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378660,378673] [2021-11-03 04:15:02,393 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378818,378831] [2021-11-03 04:15:02,394 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[378985,378998] [2021-11-03 04:15:02,394 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379144,379157] [2021-11-03 04:15:02,395 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379303,379316] [2021-11-03 04:15:02,395 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379452,379465] [2021-11-03 04:15:02,395 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379599,379612] [2021-11-03 04:15:02,396 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379738,379751] [2021-11-03 04:15:02,396 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[379901,379914] [2021-11-03 04:15:02,397 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380067,380080] [2021-11-03 04:15:02,397 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380231,380244] [2021-11-03 04:15:02,397 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380396,380409] [2021-11-03 04:15:02,398 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380561,380574] [2021-11-03 04:15:02,398 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380727,380740] [2021-11-03 04:15:02,399 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[380892,380905] [2021-11-03 04:15:02,399 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381059,381072] [2021-11-03 04:15:02,399 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381219,381232] [2021-11-03 04:15:02,400 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381381,381394] [2021-11-03 04:15:02,400 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381540,381553] [2021-11-03 04:15:02,400 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381686,381699] [2021-11-03 04:15:02,401 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381829,381842] [2021-11-03 04:15:02,401 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[381973,381986] [2021-11-03 04:15:02,401 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382116,382129] [2021-11-03 04:15:02,402 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382260,382273] [2021-11-03 04:15:02,402 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382401,382414] [2021-11-03 04:15:02,402 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382539,382552] [2021-11-03 04:15:02,403 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382697,382710] [2021-11-03 04:15:02,403 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[382856,382869] [2021-11-03 04:15:02,403 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383012,383025] [2021-11-03 04:15:02,404 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383161,383174] [2021-11-03 04:15:02,404 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383313,383326] [2021-11-03 04:15:02,404 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383464,383477] [2021-11-03 04:15:02,405 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383613,383626] [2021-11-03 04:15:02,405 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383765,383778] [2021-11-03 04:15:02,405 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[383913,383926] [2021-11-03 04:15:02,406 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384066,384079] [2021-11-03 04:15:02,406 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384217,384230] [2021-11-03 04:15:02,406 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384367,384380] [2021-11-03 04:15:02,407 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384514,384527] [2021-11-03 04:15:02,408 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384665,384678] [2021-11-03 04:15:02,408 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384816,384829] [2021-11-03 04:15:02,408 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[384964,384977] [2021-11-03 04:15:02,413 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385130,385143] [2021-11-03 04:15:02,419 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385299,385312] [2021-11-03 04:15:02,420 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385466,385479] [2021-11-03 04:15:02,420 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385634,385647] [2021-11-03 04:15:02,420 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385784,385797] [2021-11-03 04:15:02,421 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[385931,385944] [2021-11-03 04:15:02,421 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[386092,386105] [2021-11-03 04:15:02,421 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[386262,386275] [2021-11-03 04:15:02,422 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i[386424,386437] [2021-11-03 04:15:02,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:15:02,788 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:15:02,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:15:02 WrapperNode [2021-11-03 04:15:02,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:15:02,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:15:02,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:15:02,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:15:02,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:15:02" (1/1) ... [2021-11-03 04:15:02,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:15:02" (1/1) ... [2021-11-03 04:15:03,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:15:03,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:15:03,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:15:03,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:15:03,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:15:02" (1/1) ... [2021-11-03 04:15:03,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:15:02" (1/1) ... [2021-11-03 04:15:03,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:15:02" (1/1) ... [2021-11-03 04:15:03,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:15:02" (1/1) ... [2021-11-03 04:15:03,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:15:02" (1/1) ... [2021-11-03 04:15:03,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:15:02" (1/1) ... [2021-11-03 04:15:03,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:15:02" (1/1) ... [2021-11-03 04:15:04,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:15:04,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:15:04,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:15:04,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:15:04,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:15:02" (1/1) ... [2021-11-03 04:15:04,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:15:04,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:15:04,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:15:04,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:15:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-03 04:15:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:15:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:15:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 04:15:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 04:15:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:15:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:15:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-03 04:15:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-03 04:15:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-03 04:15:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-03 04:15:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-03 04:15:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:15:04,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:15:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 04:15:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 04:15:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 04:15:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 04:15:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-03 04:15:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 04:15:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:15:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:15:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 04:15:04,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 04:15:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-03 04:15:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 04:15:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 04:15:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-03 04:15:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-03 04:15:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-03 04:15:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-03 04:15:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-11-03 04:15:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure encode_disk_name [2021-11-03 04:15:04,105 INFO L138 BoogieDeclarations]: Found implementation of procedure encode_disk_name [2021-11-03 04:16:53,773 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_6_returnLabel: main_#res := 0bv32; [2021-11-03 04:16:53,774 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L9304: #t~ret1533 := main_#res; [2021-11-03 04:16:53,774 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-03 04:16:53,818 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:16:53,819 INFO L299 CfgBuilder]: Removed 2974 assume(true) statements. [2021-11-03 04:16:53,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:16:53 BoogieIcfgContainer [2021-11-03 04:16:53,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:16:53,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:16:53,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:16:53,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:16:53,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:14:56" (1/3) ... [2021-11-03 04:16:53,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ff3057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:16:53, skipping insertion in model container [2021-11-03 04:16:53,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:15:02" (2/3) ... [2021-11-03 04:16:53,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ff3057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:16:53, skipping insertion in model container [2021-11-03 04:16:53,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:16:53" (3/3) ... [2021-11-03 04:16:53,832 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--xen-blkfront.ko.cil.i [2021-11-03 04:16:53,837 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:16:53,837 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 150 error locations. [2021-11-03 04:16:53,899 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:16:53,904 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 04:16:53,904 INFO L340 AbstractCegarLoop]: Starting to check reachability of 150 error locations. [2021-11-03 04:16:53,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 3087 states, 2934 states have (on average 1.4188820722563054) internal successors, (4163), 3083 states have internal predecessors, (4163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-03 04:16:53,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-03 04:16:53,975 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:16:53,976 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] [2021-11-03 04:16:53,976 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:16:53,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:16:53,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1460424551, now seen corresponding path program 1 times [2021-11-03 04:16:54,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:16:54,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1279879322] [2021-11-03 04:16:54,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:16:54,002 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:16:54,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:16:54,009 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:16:54,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:16:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:16:57,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:16:57,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:16:57,844 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 04:16:57,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:16:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:16:58,044 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:16:58,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1279879322] [2021-11-03 04:16:58,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1279879322] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:16:58,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:16:58,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:16:58,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016546946] [2021-11-03 04:16:58,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:16:58,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:16:58,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:16:58,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:16:58,081 INFO L87 Difference]: Start difference. First operand has 3087 states, 2934 states have (on average 1.4188820722563054) internal successors, (4163), 3083 states have internal predecessors, (4163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states 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 04:16:58,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:16:58,456 INFO L93 Difference]: Finished difference Result 6009 states and 8053 transitions. [2021-11-03 04:16:58,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:16:58,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 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 20 [2021-11-03 04:16:58,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:16:58,495 INFO L225 Difference]: With dead ends: 6009 [2021-11-03 04:16:58,496 INFO L226 Difference]: Without dead ends: 2832 [2021-11-03 04:16:58,509 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 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 04:16:58,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2832 states. [2021-11-03 04:16:58,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2832 to 2832. [2021-11-03 04:16:58,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2832 states, 2681 states have (on average 1.2748974263334576) internal successors, (3418), 2828 states have internal predecessors, (3418), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-03 04:16:58,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 2832 states and 3422 transitions. [2021-11-03 04:16:58,704 INFO L78 Accepts]: Start accepts. Automaton has 2832 states and 3422 transitions. Word has length 20 [2021-11-03 04:16:58,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:16:58,705 INFO L470 AbstractCegarLoop]: Abstraction has 2832 states and 3422 transitions. [2021-11-03 04:16:58,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states 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 04:16:58,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2832 states and 3422 transitions. [2021-11-03 04:16:58,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-03 04:16:58,707 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:16:58,707 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] [2021-11-03 04:16:58,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:16:58,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:16:58,925 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr87ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:16:58,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:16:58,925 INFO L85 PathProgramCache]: Analyzing trace with hash -985916341, now seen corresponding path program 1 times [2021-11-03 04:16:58,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:16:58,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511893191] [2021-11-03 04:16:58,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:16:58,928 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:16:58,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:16:58,931 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:16:58,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:17:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:17:02,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:17:02,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:17:02,478 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 04:17:02,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:17:02,671 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 04:17:02,671 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:17:02,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511893191] [2021-11-03 04:17:02,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511893191] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:17:02,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:17:02,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:17:02,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660727522] [2021-11-03 04:17:02,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:17:02,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:17:02,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:17:02,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:17:02,675 INFO L87 Difference]: Start difference. First operand 2832 states and 3422 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 04:17:03,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:17:03,243 INFO L93 Difference]: Finished difference Result 5492 states and 6662 transitions. [2021-11-03 04:17:03,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:17:03,244 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 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 22 [2021-11-03 04:17:03,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:17:03,275 INFO L225 Difference]: With dead ends: 5492 [2021-11-03 04:17:03,276 INFO L226 Difference]: Without dead ends: 5488 [2021-11-03 04:17:03,279 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 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 04:17:03,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5488 states. [2021-11-03 04:17:03,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5488 to 4803. [2021-11-03 04:17:03,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4803 states, 4649 states have (on average 1.2830716283071628) internal successors, (5965), 4796 states have internal predecessors, (5965), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-03 04:17:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4803 states to 4803 states and 5973 transitions. [2021-11-03 04:17:03,495 INFO L78 Accepts]: Start accepts. Automaton has 4803 states and 5973 transitions. Word has length 22 [2021-11-03 04:17:03,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:17:03,498 INFO L470 AbstractCegarLoop]: Abstraction has 4803 states and 5973 transitions. [2021-11-03 04:17:03,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states 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 04:17:03,498 INFO L276 IsEmpty]: Start isEmpty. Operand 4803 states and 5973 transitions. [2021-11-03 04:17:03,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-03 04:17:03,499 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:17:03,500 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] [2021-11-03 04:17:03,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:17:03,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:17:03,722 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr88ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:17:03,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:17:03,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1722565007, now seen corresponding path program 1 times [2021-11-03 04:17:03,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:17:03,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1872105018] [2021-11-03 04:17:03,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:17:03,725 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:17:03,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:17:03,726 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:17:03,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:17:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:17:07,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:17:07,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:17:07,210 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 04:17:07,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:17:07,412 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 04:17:07,412 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:17:07,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1872105018] [2021-11-03 04:17:07,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1872105018] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:17:07,413 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:17:07,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:17:07,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062097964] [2021-11-03 04:17:07,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:17:07,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:17:07,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:17:07,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:17:07,415 INFO L87 Difference]: Start difference. First operand 4803 states and 5973 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states 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 04:17:07,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:17:07,905 INFO L93 Difference]: Finished difference Result 9525 states and 11855 transitions. [2021-11-03 04:17:07,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:17:07,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 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 24 [2021-11-03 04:17:07,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:17:07,961 INFO L225 Difference]: With dead ends: 9525 [2021-11-03 04:17:07,961 INFO L226 Difference]: Without dead ends: 9521 [2021-11-03 04:17:07,969 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 43 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 04:17:07,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9521 states. [2021-11-03 04:17:08,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9521 to 9017. [2021-11-03 04:17:08,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9017 states, 8857 states have (on average 1.2888111098566106) internal successors, (11415), 9004 states have internal predecessors, (11415), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:17:08,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9017 states to 9017 states and 11431 transitions. [2021-11-03 04:17:08,379 INFO L78 Accepts]: Start accepts. Automaton has 9017 states and 11431 transitions. Word has length 24 [2021-11-03 04:17:08,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:17:08,379 INFO L470 AbstractCegarLoop]: Abstraction has 9017 states and 11431 transitions. [2021-11-03 04:17:08,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states 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 04:17:08,380 INFO L276 IsEmpty]: Start isEmpty. Operand 9017 states and 11431 transitions. [2021-11-03 04:17:08,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-03 04:17:08,382 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:17:08,382 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 04:17:08,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:17:08,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:17:08,599 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr89ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:17:08,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:17:08,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1822959411, now seen corresponding path program 1 times [2021-11-03 04:17:08,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:17:08,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267802760] [2021-11-03 04:17:08,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:17:08,602 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:17:08,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:17:08,604 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:17:08,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 04:17:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:17:11,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:17:11,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:17:12,062 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 04:17:12,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:17:12,279 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 04:17:12,279 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:17:12,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267802760] [2021-11-03 04:17:12,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267802760] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:17:12,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:17:12,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:17:12,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128778779] [2021-11-03 04:17:12,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:17:12,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:17:12,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:17:12,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:17:12,281 INFO L87 Difference]: Start difference. First operand 9017 states and 11431 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:12,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:17:12,626 INFO L93 Difference]: Finished difference Result 9017 states and 11431 transitions. [2021-11-03 04:17:12,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:17:12,627 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-03 04:17:12,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:17:12,695 INFO L225 Difference]: With dead ends: 9017 [2021-11-03 04:17:12,695 INFO L226 Difference]: Without dead ends: 9013 [2021-11-03 04:17:12,700 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:17:12,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9013 states. [2021-11-03 04:17:13,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9013 to 9013. [2021-11-03 04:17:13,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9013 states, 8855 states have (on average 1.2886504799548277) internal successors, (11411), 9000 states have internal predecessors, (11411), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:17:13,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9013 states to 9013 states and 11427 transitions. [2021-11-03 04:17:13,125 INFO L78 Accepts]: Start accepts. Automaton has 9013 states and 11427 transitions. Word has length 26 [2021-11-03 04:17:13,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:17:13,125 INFO L470 AbstractCegarLoop]: Abstraction has 9013 states and 11427 transitions. [2021-11-03 04:17:13,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:13,126 INFO L276 IsEmpty]: Start isEmpty. Operand 9013 states and 11427 transitions. [2021-11-03 04:17:13,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-03 04:17:13,131 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:17:13,131 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:17:13,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:17:13,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:17:13,353 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr90ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:17:13,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:17:13,354 INFO L85 PathProgramCache]: Analyzing trace with hash -482265801, now seen corresponding path program 1 times [2021-11-03 04:17:13,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:17:13,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [413855489] [2021-11-03 04:17:13,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:17:13,357 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:17:13,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:17:13,358 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:17:13,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 04:17:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:17:16,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 1136 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:17:16,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:17:16,759 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 04:17:16,759 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:17:16,979 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 04:17:16,979 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:17:16,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [413855489] [2021-11-03 04:17:16,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [413855489] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:17:16,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:17:16,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:17:16,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690081414] [2021-11-03 04:17:16,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:17:16,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:17:16,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:17:16,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:17:16,981 INFO L87 Difference]: Start difference. First operand 9013 states and 11427 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:17,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:17:17,388 INFO L93 Difference]: Finished difference Result 9013 states and 11427 transitions. [2021-11-03 04:17:17,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:17:17,388 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-03 04:17:17,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:17:17,420 INFO L225 Difference]: With dead ends: 9013 [2021-11-03 04:17:17,420 INFO L226 Difference]: Without dead ends: 9009 [2021-11-03 04:17:17,424 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:17:17,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9009 states. [2021-11-03 04:17:17,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9009 to 9009. [2021-11-03 04:17:17,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9009 states, 8853 states have (on average 1.2884897774765616) internal successors, (11407), 8996 states have internal predecessors, (11407), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:17:17,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9009 states to 9009 states and 11423 transitions. [2021-11-03 04:17:17,861 INFO L78 Accepts]: Start accepts. Automaton has 9009 states and 11423 transitions. Word has length 28 [2021-11-03 04:17:17,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:17:17,861 INFO L470 AbstractCegarLoop]: Abstraction has 9009 states and 11423 transitions. [2021-11-03 04:17:17,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:17,862 INFO L276 IsEmpty]: Start isEmpty. Operand 9009 states and 11423 transitions. [2021-11-03 04:17:17,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-03 04:17:17,865 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:17:17,865 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:17:17,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 04:17:18,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:17:18,080 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr91ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:17:18,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:17:18,081 INFO L85 PathProgramCache]: Analyzing trace with hash 399430555, now seen corresponding path program 1 times [2021-11-03 04:17:18,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:17:18,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1090088639] [2021-11-03 04:17:18,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:17:18,083 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:17:18,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:17:18,084 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:17:18,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 04:17:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:17:21,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:17:21,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:17:21,456 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 04:17:21,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:17:21,666 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 04:17:21,666 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:17:21,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1090088639] [2021-11-03 04:17:21,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1090088639] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:17:21,667 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:17:21,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:17:21,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331890080] [2021-11-03 04:17:21,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:17:21,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:17:21,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:17:21,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:17:21,668 INFO L87 Difference]: Start difference. First operand 9009 states and 11423 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:22,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:17:22,040 INFO L93 Difference]: Finished difference Result 9009 states and 11423 transitions. [2021-11-03 04:17:22,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:17:22,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-03 04:17:22,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:17:22,065 INFO L225 Difference]: With dead ends: 9009 [2021-11-03 04:17:22,066 INFO L226 Difference]: Without dead ends: 9005 [2021-11-03 04:17:22,070 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:17:22,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9005 states. [2021-11-03 04:17:22,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9005 to 9005. [2021-11-03 04:17:22,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9005 states, 8851 states have (on average 1.2883290023726133) internal successors, (11403), 8992 states have internal predecessors, (11403), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:17:22,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9005 states to 9005 states and 11419 transitions. [2021-11-03 04:17:22,601 INFO L78 Accepts]: Start accepts. Automaton has 9005 states and 11419 transitions. Word has length 30 [2021-11-03 04:17:22,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:17:22,602 INFO L470 AbstractCegarLoop]: Abstraction has 9005 states and 11419 transitions. [2021-11-03 04:17:22,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:22,602 INFO L276 IsEmpty]: Start isEmpty. Operand 9005 states and 11419 transitions. [2021-11-03 04:17:22,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-03 04:17:22,603 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:17:22,603 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:17:22,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 04:17:22,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:17:22,831 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr92ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:17:22,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:17:22,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1601071711, now seen corresponding path program 1 times [2021-11-03 04:17:22,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:17:22,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640750075] [2021-11-03 04:17:22,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:17:22,835 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:17:22,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:17:22,836 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:17:22,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 04:17:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:17:25,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:17:25,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:17:26,223 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 04:17:26,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:17:26,483 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 04:17:26,483 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:17:26,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1640750075] [2021-11-03 04:17:26,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1640750075] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:17:26,483 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:17:26,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:17:26,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074255704] [2021-11-03 04:17:26,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:17:26,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:17:26,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:17:26,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:17:26,485 INFO L87 Difference]: Start difference. First operand 9005 states and 11419 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:26,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:17:26,757 INFO L93 Difference]: Finished difference Result 9005 states and 11419 transitions. [2021-11-03 04:17:26,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:17:26,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-03 04:17:26,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:17:26,783 INFO L225 Difference]: With dead ends: 9005 [2021-11-03 04:17:26,784 INFO L226 Difference]: Without dead ends: 9001 [2021-11-03 04:17:26,789 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:17:26,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9001 states. [2021-11-03 04:17:27,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9001 to 9001. [2021-11-03 04:17:27,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9001 states, 8849 states have (on average 1.2881681545937393) internal successors, (11399), 8988 states have internal predecessors, (11399), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:17:27,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9001 states to 9001 states and 11415 transitions. [2021-11-03 04:17:27,244 INFO L78 Accepts]: Start accepts. Automaton has 9001 states and 11415 transitions. Word has length 32 [2021-11-03 04:17:27,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:17:27,245 INFO L470 AbstractCegarLoop]: Abstraction has 9001 states and 11415 transitions. [2021-11-03 04:17:27,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:27,245 INFO L276 IsEmpty]: Start isEmpty. Operand 9001 states and 11415 transitions. [2021-11-03 04:17:27,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-03 04:17:27,246 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:17:27,246 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:17:27,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-03 04:17:27,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:17:27,467 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr93ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:17:27,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:17:27,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1032020355, now seen corresponding path program 1 times [2021-11-03 04:17:27,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:17:27,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473016543] [2021-11-03 04:17:27,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:17:27,470 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:17:27,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:17:27,470 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:17:27,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-03 04:17:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:17:30,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 1145 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:17:30,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:17:30,820 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 04:17:30,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:17:31,073 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 04:17:31,073 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:17:31,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473016543] [2021-11-03 04:17:31,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473016543] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:17:31,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:17:31,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:17:31,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418020041] [2021-11-03 04:17:31,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:17:31,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:17:31,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:17:31,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:17:31,075 INFO L87 Difference]: Start difference. First operand 9001 states and 11415 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:31,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:17:31,565 INFO L93 Difference]: Finished difference Result 9001 states and 11415 transitions. [2021-11-03 04:17:31,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:17:31,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-03 04:17:31,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:17:31,596 INFO L225 Difference]: With dead ends: 9001 [2021-11-03 04:17:31,596 INFO L226 Difference]: Without dead ends: 8997 [2021-11-03 04:17:31,601 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:17:31,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8997 states. [2021-11-03 04:17:32,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8997 to 8997. [2021-11-03 04:17:32,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8997 states, 8847 states have (on average 1.288007234090652) internal successors, (11395), 8984 states have internal predecessors, (11395), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:17:32,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8997 states to 8997 states and 11411 transitions. [2021-11-03 04:17:32,059 INFO L78 Accepts]: Start accepts. Automaton has 8997 states and 11411 transitions. Word has length 34 [2021-11-03 04:17:32,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:17:32,059 INFO L470 AbstractCegarLoop]: Abstraction has 8997 states and 11411 transitions. [2021-11-03 04:17:32,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:32,059 INFO L276 IsEmpty]: Start isEmpty. Operand 8997 states and 11411 transitions. [2021-11-03 04:17:32,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-03 04:17:32,060 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:17:32,060 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:17:32,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-03 04:17:32,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:17:32,275 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr94ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:17:32,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:17:32,276 INFO L85 PathProgramCache]: Analyzing trace with hash -365486810, now seen corresponding path program 1 times [2021-11-03 04:17:32,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:17:32,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1414987377] [2021-11-03 04:17:32,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:17:32,278 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:17:32,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:17:32,278 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:17:32,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-03 04:17:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:17:35,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:17:35,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:17:35,705 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 04:17:35,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:17:35,945 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 04:17:35,946 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:17:35,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1414987377] [2021-11-03 04:17:35,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1414987377] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:17:35,946 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:17:35,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:17:35,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353494692] [2021-11-03 04:17:35,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:17:35,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:17:35,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:17:35,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:17:35,947 INFO L87 Difference]: Start difference. First operand 8997 states and 11411 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:36,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:17:36,327 INFO L93 Difference]: Finished difference Result 8997 states and 11411 transitions. [2021-11-03 04:17:36,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:17:36,327 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-03 04:17:36,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:17:36,350 INFO L225 Difference]: With dead ends: 8997 [2021-11-03 04:17:36,350 INFO L226 Difference]: Without dead ends: 8993 [2021-11-03 04:17:36,354 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:17:36,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8993 states. [2021-11-03 04:17:36,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8993 to 8993. [2021-11-03 04:17:36,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8993 states, 8845 states have (on average 1.2878462408140192) internal successors, (11391), 8980 states have internal predecessors, (11391), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:17:36,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8993 states to 8993 states and 11407 transitions. [2021-11-03 04:17:36,858 INFO L78 Accepts]: Start accepts. Automaton has 8993 states and 11407 transitions. Word has length 36 [2021-11-03 04:17:36,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:17:36,859 INFO L470 AbstractCegarLoop]: Abstraction has 8993 states and 11407 transitions. [2021-11-03 04:17:36,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:36,859 INFO L276 IsEmpty]: Start isEmpty. Operand 8993 states and 11407 transitions. [2021-11-03 04:17:36,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-03 04:17:36,860 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:17:36,860 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 04:17:36,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-03 04:17:37,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:17:37,075 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr95ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:17:37,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:17:37,076 INFO L85 PathProgramCache]: Analyzing trace with hash 954892586, now seen corresponding path program 1 times [2021-11-03 04:17:37,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:17:37,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [51066806] [2021-11-03 04:17:37,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:17:37,078 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:17:37,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:17:37,080 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:17:37,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-03 04:17:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:17:40,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:17:40,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:17:40,594 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 04:17:40,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:17:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:17:40,872 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:17:40,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [51066806] [2021-11-03 04:17:40,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [51066806] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:17:40,872 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:17:40,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:17:40,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867675249] [2021-11-03 04:17:40,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:17:40,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:17:40,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:17:40,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:17:40,873 INFO L87 Difference]: Start difference. First operand 8993 states and 11407 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:41,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:17:41,272 INFO L93 Difference]: Finished difference Result 8993 states and 11407 transitions. [2021-11-03 04:17:41,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:17:41,272 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-03 04:17:41,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:17:41,290 INFO L225 Difference]: With dead ends: 8993 [2021-11-03 04:17:41,290 INFO L226 Difference]: Without dead ends: 8989 [2021-11-03 04:17:41,294 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:17:41,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8989 states. [2021-11-03 04:17:41,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8989 to 8989. [2021-11-03 04:17:41,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8989 states, 8843 states have (on average 1.2876851747144633) internal successors, (11387), 8976 states have internal predecessors, (11387), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:17:41,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8989 states to 8989 states and 11403 transitions. [2021-11-03 04:17:41,846 INFO L78 Accepts]: Start accepts. Automaton has 8989 states and 11403 transitions. Word has length 38 [2021-11-03 04:17:41,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:17:41,847 INFO L470 AbstractCegarLoop]: Abstraction has 8989 states and 11403 transitions. [2021-11-03 04:17:41,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:41,848 INFO L276 IsEmpty]: Start isEmpty. Operand 8989 states and 11403 transitions. [2021-11-03 04:17:41,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-03 04:17:41,848 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:17:41,849 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 04:17:41,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-03 04:17:42,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:17:42,071 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr96ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:17:42,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:17:42,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1470827122, now seen corresponding path program 1 times [2021-11-03 04:17:42,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:17:42,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055612894] [2021-11-03 04:17:42,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:17:42,073 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:17:42,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:17:42,074 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:17:42,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-03 04:17:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:17:45,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 1154 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:17:45,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:17:45,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:17:45,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:17:45,871 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 04:17:45,871 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:17:45,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055612894] [2021-11-03 04:17:45,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2055612894] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:17:45,871 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:17:45,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:17:45,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683196439] [2021-11-03 04:17:45,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:17:45,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:17:45,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:17:45,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:17:45,873 INFO L87 Difference]: Start difference. First operand 8989 states and 11403 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:46,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:17:46,273 INFO L93 Difference]: Finished difference Result 8989 states and 11403 transitions. [2021-11-03 04:17:46,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:17:46,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-03 04:17:46,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:17:46,283 INFO L225 Difference]: With dead ends: 8989 [2021-11-03 04:17:46,283 INFO L226 Difference]: Without dead ends: 8985 [2021-11-03 04:17:46,286 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:17:46,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8985 states. [2021-11-03 04:17:46,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8985 to 8985. [2021-11-03 04:17:46,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8985 states, 8841 states have (on average 1.287524035742563) internal successors, (11383), 8972 states have internal predecessors, (11383), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:17:46,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8985 states to 8985 states and 11399 transitions. [2021-11-03 04:17:46,878 INFO L78 Accepts]: Start accepts. Automaton has 8985 states and 11399 transitions. Word has length 40 [2021-11-03 04:17:46,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:17:46,878 INFO L470 AbstractCegarLoop]: Abstraction has 8985 states and 11399 transitions. [2021-11-03 04:17:46,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:46,878 INFO L276 IsEmpty]: Start isEmpty. Operand 8985 states and 11399 transitions. [2021-11-03 04:17:46,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-03 04:17:46,879 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:17:46,879 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:17:46,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-03 04:17:47,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:17:47,103 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:17:47,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:17:47,104 INFO L85 PathProgramCache]: Analyzing trace with hash -420224430, now seen corresponding path program 1 times [2021-11-03 04:17:47,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:17:47,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1760851660] [2021-11-03 04:17:47,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:17:47,106 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:17:47,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:17:47,107 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:17:47,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-03 04:17:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:17:50,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:17:50,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:17:50,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:17:50,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:17:50,945 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 04:17:50,945 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:17:50,945 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1760851660] [2021-11-03 04:17:50,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1760851660] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:17:50,945 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:17:50,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:17:50,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45176527] [2021-11-03 04:17:50,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:17:50,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:17:50,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:17:50,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:17:50,947 INFO L87 Difference]: Start difference. First operand 8985 states and 11399 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:51,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:17:51,370 INFO L93 Difference]: Finished difference Result 8985 states and 11399 transitions. [2021-11-03 04:17:51,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:17:51,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-11-03 04:17:51,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:17:51,381 INFO L225 Difference]: With dead ends: 8985 [2021-11-03 04:17:51,381 INFO L226 Difference]: Without dead ends: 8981 [2021-11-03 04:17:51,386 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:17:51,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8981 states. [2021-11-03 04:17:52,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8981 to 8981. [2021-11-03 04:17:52,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8981 states, 8839 states have (on average 1.2873628238488517) internal successors, (11379), 8968 states have internal predecessors, (11379), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:17:52,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8981 states to 8981 states and 11395 transitions. [2021-11-03 04:17:52,032 INFO L78 Accepts]: Start accepts. Automaton has 8981 states and 11395 transitions. Word has length 42 [2021-11-03 04:17:52,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:17:52,032 INFO L470 AbstractCegarLoop]: Abstraction has 8981 states and 11395 transitions. [2021-11-03 04:17:52,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:52,032 INFO L276 IsEmpty]: Start isEmpty. Operand 8981 states and 11395 transitions. [2021-11-03 04:17:52,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-03 04:17:52,033 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:17:52,034 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:17:52,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-03 04:17:52,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:17:52,255 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:17:52,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:17:52,256 INFO L85 PathProgramCache]: Analyzing trace with hash -108351626, now seen corresponding path program 1 times [2021-11-03 04:17:52,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:17:52,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1678245642] [2021-11-03 04:17:52,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:17:52,258 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:17:52,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:17:52,259 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:17:52,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-03 04:17:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:17:55,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:17:55,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:17:56,052 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 04:17:56,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:17:56,345 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 04:17:56,345 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:17:56,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1678245642] [2021-11-03 04:17:56,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1678245642] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:17:56,346 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:17:56,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:17:56,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588446213] [2021-11-03 04:17:56,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:17:56,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:17:56,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:17:56,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:17:56,347 INFO L87 Difference]: Start difference. First operand 8981 states and 11395 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:56,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:17:56,753 INFO L93 Difference]: Finished difference Result 8981 states and 11395 transitions. [2021-11-03 04:17:56,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:17:56,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-03 04:17:56,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:17:56,767 INFO L225 Difference]: With dead ends: 8981 [2021-11-03 04:17:56,767 INFO L226 Difference]: Without dead ends: 8977 [2021-11-03 04:17:56,770 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:17:56,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8977 states. [2021-11-03 04:17:57,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8977 to 8977. [2021-11-03 04:17:57,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8977 states, 8837 states have (on average 1.287201538983818) internal successors, (11375), 8964 states have internal predecessors, (11375), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:17:57,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8977 states to 8977 states and 11391 transitions. [2021-11-03 04:17:57,528 INFO L78 Accepts]: Start accepts. Automaton has 8977 states and 11391 transitions. Word has length 44 [2021-11-03 04:17:57,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:17:57,529 INFO L470 AbstractCegarLoop]: Abstraction has 8977 states and 11391 transitions. [2021-11-03 04:17:57,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:17:57,529 INFO L276 IsEmpty]: Start isEmpty. Operand 8977 states and 11391 transitions. [2021-11-03 04:17:57,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-03 04:17:57,530 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:17:57,530 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:17:57,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-03 04:17:57,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:17:57,743 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:17:57,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:17:57,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1046297350, now seen corresponding path program 1 times [2021-11-03 04:17:57,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:17:57,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [607116642] [2021-11-03 04:17:57,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:17:57,746 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:17:57,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:17:57,748 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:17:57,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-03 04:18:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:18:01,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 1163 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:18:01,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:18:01,520 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 04:18:01,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:18:01,794 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 04:18:01,795 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:18:01,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [607116642] [2021-11-03 04:18:01,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [607116642] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:18:01,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:18:01,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:18:01,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487998805] [2021-11-03 04:18:01,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:18:01,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:18:01,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:18:01,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:18:01,796 INFO L87 Difference]: Start difference. First operand 8977 states and 11391 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:18:02,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:18:02,225 INFO L93 Difference]: Finished difference Result 8977 states and 11391 transitions. [2021-11-03 04:18:02,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:18:02,225 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-03 04:18:02,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:18:02,236 INFO L225 Difference]: With dead ends: 8977 [2021-11-03 04:18:02,236 INFO L226 Difference]: Without dead ends: 8973 [2021-11-03 04:18:02,239 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:18:02,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8973 states. [2021-11-03 04:18:02,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8973 to 8973. [2021-11-03 04:18:02,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8973 states, 8835 states have (on average 1.287040181097906) internal successors, (11371), 8960 states have internal predecessors, (11371), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:18:02,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8973 states to 8973 states and 11387 transitions. [2021-11-03 04:18:02,773 INFO L78 Accepts]: Start accepts. Automaton has 8973 states and 11387 transitions. Word has length 46 [2021-11-03 04:18:02,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:18:02,773 INFO L470 AbstractCegarLoop]: Abstraction has 8973 states and 11387 transitions. [2021-11-03 04:18:02,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:18:02,773 INFO L276 IsEmpty]: Start isEmpty. Operand 8973 states and 11387 transitions. [2021-11-03 04:18:02,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-03 04:18:02,774 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:18:02,774 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:18:02,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-03 04:18:02,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:18:02,995 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:18:02,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:18:02,996 INFO L85 PathProgramCache]: Analyzing trace with hash 824331923, now seen corresponding path program 1 times [2021-11-03 04:18:02,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:18:02,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981970759] [2021-11-03 04:18:02,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:18:02,998 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:18:02,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:18:02,999 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:18:03,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-03 04:18:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:18:06,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:18:06,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:18:06,844 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 04:18:06,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:18:07,123 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 04:18:07,123 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:18:07,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981970759] [2021-11-03 04:18:07,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [981970759] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:18:07,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:18:07,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 04:18:07,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184290013] [2021-11-03 04:18:07,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:18:07,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:18:07,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:18:07,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:18:07,125 INFO L87 Difference]: Start difference. First operand 8973 states and 11387 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:18:08,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:18:08,437 INFO L93 Difference]: Finished difference Result 23417 states and 29755 transitions. [2021-11-03 04:18:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:18:08,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-03 04:18:08,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:18:08,460 INFO L225 Difference]: With dead ends: 23417 [2021-11-03 04:18:08,460 INFO L226 Difference]: Without dead ends: 14481 [2021-11-03 04:18:08,475 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:18:08,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14481 states. [2021-11-03 04:18:09,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14481 to 8973. [2021-11-03 04:18:09,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8973 states, 8835 states have (on average 1.279343520090549) internal successors, (11303), 8960 states have internal predecessors, (11303), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:18:09,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8973 states to 8973 states and 11319 transitions. [2021-11-03 04:18:09,573 INFO L78 Accepts]: Start accepts. Automaton has 8973 states and 11319 transitions. Word has length 46 [2021-11-03 04:18:09,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:18:09,573 INFO L470 AbstractCegarLoop]: Abstraction has 8973 states and 11319 transitions. [2021-11-03 04:18:09,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:18:09,574 INFO L276 IsEmpty]: Start isEmpty. Operand 8973 states and 11319 transitions. [2021-11-03 04:18:09,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-03 04:18:09,574 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:18:09,575 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:18:09,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-03 04:18:09,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:18:09,799 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:18:09,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:18:09,800 INFO L85 PathProgramCache]: Analyzing trace with hash 824391505, now seen corresponding path program 1 times [2021-11-03 04:18:09,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:18:09,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750664250] [2021-11-03 04:18:09,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:18:09,803 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:18:09,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:18:09,804 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:18:09,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-03 04:18:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:18:13,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:18:13,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:18:13,557 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 04:18:13,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:18:13,681 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 04:18:13,681 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:18:13,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750664250] [2021-11-03 04:18:13,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750664250] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:18:13,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:18:13,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-03 04:18:13,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217925436] [2021-11-03 04:18:13,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 04:18:13,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:18:13,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 04:18:13,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:18:13,683 INFO L87 Difference]: Start difference. First operand 8973 states and 11319 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 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 04:18:15,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:18:15,260 INFO L93 Difference]: Finished difference Result 14601 states and 18463 transitions. [2021-11-03 04:18:15,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:18:15,261 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 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 46 [2021-11-03 04:18:15,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:18:15,281 INFO L225 Difference]: With dead ends: 14601 [2021-11-03 04:18:15,281 INFO L226 Difference]: Without dead ends: 14567 [2021-11-03 04:18:15,285 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 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 04:18:15,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14567 states. [2021-11-03 04:18:16,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14567 to 8939. [2021-11-03 04:18:16,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8939 states, 8818 states have (on average 1.2721705602177364) internal successors, (11218), 8926 states have internal predecessors, (11218), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:18:16,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8939 states to 8939 states and 11234 transitions. [2021-11-03 04:18:16,118 INFO L78 Accepts]: Start accepts. Automaton has 8939 states and 11234 transitions. Word has length 46 [2021-11-03 04:18:16,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:18:16,118 INFO L470 AbstractCegarLoop]: Abstraction has 8939 states and 11234 transitions. [2021-11-03 04:18:16,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 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 04:18:16,119 INFO L276 IsEmpty]: Start isEmpty. Operand 8939 states and 11234 transitions. [2021-11-03 04:18:16,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-03 04:18:16,120 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:18:16,120 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:18:16,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-03 04:18:16,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:18:16,330 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:18:16,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:18:16,330 INFO L85 PathProgramCache]: Analyzing trace with hash -469005602, now seen corresponding path program 1 times [2021-11-03 04:18:16,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:18:16,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826426083] [2021-11-03 04:18:16,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:18:16,333 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:18:16,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:18:16,333 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:18:16,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-03 04:18:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:18:19,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 1166 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:18:19,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:18:19,959 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 04:18:19,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:18:20,795 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 04:18:20,796 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:18:20,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826426083] [2021-11-03 04:18:20,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1826426083] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:18:20,796 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:18:20,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-03 04:18:20,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281477631] [2021-11-03 04:18:20,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 04:18:20,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:18:20,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 04:18:20,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:18:20,798 INFO L87 Difference]: Start difference. First operand 8939 states and 11234 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states 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 04:18:21,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:18:21,451 INFO L93 Difference]: Finished difference Result 8939 states and 11234 transitions. [2021-11-03 04:18:21,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:18:21,452 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-03 04:18:21,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:18:21,463 INFO L225 Difference]: With dead ends: 8939 [2021-11-03 04:18:21,464 INFO L226 Difference]: Without dead ends: 8935 [2021-11-03 04:18:21,467 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 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 04:18:21,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8935 states. [2021-11-03 04:18:22,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8935 to 8935. [2021-11-03 04:18:22,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8935 states, 8816 states have (on average 1.272005444646098) internal successors, (11214), 8922 states have internal predecessors, (11214), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:18:22,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8935 states to 8935 states and 11230 transitions. [2021-11-03 04:18:22,209 INFO L78 Accepts]: Start accepts. Automaton has 8935 states and 11230 transitions. Word has length 48 [2021-11-03 04:18:22,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:18:22,209 INFO L470 AbstractCegarLoop]: Abstraction has 8935 states and 11230 transitions. [2021-11-03 04:18:22,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states 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 04:18:22,210 INFO L276 IsEmpty]: Start isEmpty. Operand 8935 states and 11230 transitions. [2021-11-03 04:18:22,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-03 04:18:22,211 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:18:22,211 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 04:18:22,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-03 04:18:22,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:18:22,435 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr107ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:18:22,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:18:22,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1905069075, now seen corresponding path program 1 times [2021-11-03 04:18:22,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:18:22,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1164327281] [2021-11-03 04:18:22,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:18:22,438 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:18:22,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:18:22,440 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:18:22,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-03 04:18:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:18:25,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-03 04:18:25,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:18:26,400 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 04:18:26,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:18:27,152 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 04:18:27,152 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:18:27,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1164327281] [2021-11-03 04:18:27,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1164327281] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:18:27,153 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:18:27,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 19 [2021-11-03 04:18:27,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101351866] [2021-11-03 04:18:27,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-03 04:18:27,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:18:27,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-03 04:18:27,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2021-11-03 04:18:27,157 INFO L87 Difference]: Start difference. First operand 8935 states and 11230 transitions. Second operand has 19 states, 19 states have (on average 3.210526315789474) internal successors, (61), 19 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 04:18:29,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:18:29,710 INFO L93 Difference]: Finished difference Result 9423 states and 11774 transitions. [2021-11-03 04:18:29,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-03 04:18:29,710 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.210526315789474) internal successors, (61), 19 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 49 [2021-11-03 04:18:29,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:18:29,722 INFO L225 Difference]: With dead ends: 9423 [2021-11-03 04:18:29,722 INFO L226 Difference]: Without dead ends: 9001 [2021-11-03 04:18:29,726 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2021-11-03 04:18:29,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9001 states. [2021-11-03 04:18:30,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9001 to 8946. [2021-11-03 04:18:30,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8946 states, 8827 states have (on average 1.2716664778520448) internal successors, (11225), 8933 states have internal predecessors, (11225), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:18:30,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8946 states to 8946 states and 11241 transitions. [2021-11-03 04:18:30,512 INFO L78 Accepts]: Start accepts. Automaton has 8946 states and 11241 transitions. Word has length 49 [2021-11-03 04:18:30,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:18:30,512 INFO L470 AbstractCegarLoop]: Abstraction has 8946 states and 11241 transitions. [2021-11-03 04:18:30,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.210526315789474) internal successors, (61), 19 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 04:18:30,513 INFO L276 IsEmpty]: Start isEmpty. Operand 8946 states and 11241 transitions. [2021-11-03 04:18:30,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-03 04:18:30,513 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:18:30,514 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 04:18:30,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-03 04:18:30,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:18:30,714 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:18:30,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:18:30,714 INFO L85 PathProgramCache]: Analyzing trace with hash 828472930, now seen corresponding path program 1 times [2021-11-03 04:18:30,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:18:30,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2031650860] [2021-11-03 04:18:30,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:18:30,716 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:18:30,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:18:30,717 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:18:30,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-03 04:18:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:18:34,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 1355 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:18:34,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:18:34,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:18:34,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:18:34,985 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 04:18:34,985 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:18:34,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2031650860] [2021-11-03 04:18:34,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2031650860] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:18:34,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:18:34,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-03 04:18:34,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26222377] [2021-11-03 04:18:34,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:18:34,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:18:34,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:18:34,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:18:34,987 INFO L87 Difference]: Start difference. First operand 8946 states and 11241 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states 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 04:18:35,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:18:35,771 INFO L93 Difference]: Finished difference Result 17742 states and 22275 transitions. [2021-11-03 04:18:35,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:18:35,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 04:18:35,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:18:35,783 INFO L225 Difference]: With dead ends: 17742 [2021-11-03 04:18:35,783 INFO L226 Difference]: Without dead ends: 8844 [2021-11-03 04:18:35,795 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 94 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 04:18:35,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8844 states. [2021-11-03 04:18:36,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8844 to 8844. [2021-11-03 04:18:36,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8844 states, 8742 states have (on average 1.2587508579272477) internal successors, (11004), 8831 states have internal predecessors, (11004), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:18:36,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8844 states to 8844 states and 11020 transitions. [2021-11-03 04:18:36,534 INFO L78 Accepts]: Start accepts. Automaton has 8844 states and 11020 transitions. Word has length 49 [2021-11-03 04:18:36,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:18:36,534 INFO L470 AbstractCegarLoop]: Abstraction has 8844 states and 11020 transitions. [2021-11-03 04:18:36,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states 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 04:18:36,534 INFO L276 IsEmpty]: Start isEmpty. Operand 8844 states and 11020 transitions. [2021-11-03 04:18:36,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-03 04:18:36,535 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:18:36,536 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 04:18:36,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-03 04:18:36,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:18:36,751 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:18:36,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:18:36,751 INFO L85 PathProgramCache]: Analyzing trace with hash 257583394, now seen corresponding path program 1 times [2021-11-03 04:18:36,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:18:36,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1519896253] [2021-11-03 04:18:36,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:18:36,753 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:18:36,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:18:36,754 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:18:36,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-03 04:18:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:18:40,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 1169 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:18:40,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:18:40,547 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 04:18:40,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:18:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:18:40,936 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:18:40,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1519896253] [2021-11-03 04:18:40,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1519896253] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:18:40,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:18:40,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:18:40,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542104729] [2021-11-03 04:18:40,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:18:40,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:18:40,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:18:40,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:18:40,938 INFO L87 Difference]: Start difference. First operand 8844 states and 11020 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:18:41,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:18:41,684 INFO L93 Difference]: Finished difference Result 8844 states and 11020 transitions. [2021-11-03 04:18:41,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:18:41,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-11-03 04:18:41,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:18:41,693 INFO L225 Difference]: With dead ends: 8844 [2021-11-03 04:18:41,693 INFO L226 Difference]: Without dead ends: 8840 [2021-11-03 04:18:41,694 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 94 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 04:18:41,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8840 states. [2021-11-03 04:18:42,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8840 to 8840. [2021-11-03 04:18:42,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8840 states, 8740 states have (on average 1.2585812356979404) internal successors, (11000), 8827 states have internal predecessors, (11000), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:18:42,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8840 states to 8840 states and 11016 transitions. [2021-11-03 04:18:42,384 INFO L78 Accepts]: Start accepts. Automaton has 8840 states and 11016 transitions. Word has length 50 [2021-11-03 04:18:42,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:18:42,384 INFO L470 AbstractCegarLoop]: Abstraction has 8840 states and 11016 transitions. [2021-11-03 04:18:42,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:18:42,384 INFO L276 IsEmpty]: Start isEmpty. Operand 8840 states and 11016 transitions. [2021-11-03 04:18:42,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-03 04:18:42,385 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:18:42,385 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:18:42,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-03 04:18:42,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:18:42,585 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:18:42,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:18:42,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1570060346, now seen corresponding path program 1 times [2021-11-03 04:18:42,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:18:42,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632217659] [2021-11-03 04:18:42,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:18:42,588 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:18:42,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:18:42,589 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:18:42,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-03 04:18:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:18:46,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:18:46,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:18:46,393 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 04:18:46,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:18:46,734 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 04:18:46,734 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:18:46,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632217659] [2021-11-03 04:18:46,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1632217659] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:18:46,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:18:46,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:18:46,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903627184] [2021-11-03 04:18:46,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:18:46,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:18:46,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:18:46,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:18:46,736 INFO L87 Difference]: Start difference. First operand 8840 states and 11016 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 04:18:47,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:18:47,485 INFO L93 Difference]: Finished difference Result 8840 states and 11016 transitions. [2021-11-03 04:18:47,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:18:47,485 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 04:18:47,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:18:47,495 INFO L225 Difference]: With dead ends: 8840 [2021-11-03 04:18:47,495 INFO L226 Difference]: Without dead ends: 8836 [2021-11-03 04:18:47,498 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:18:47,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8836 states. [2021-11-03 04:18:48,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8836 to 8836. [2021-11-03 04:18:48,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8836 states, 8738 states have (on average 1.2584115358205539) internal successors, (10996), 8823 states have internal predecessors, (10996), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:18:48,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8836 states to 8836 states and 11012 transitions. [2021-11-03 04:18:48,273 INFO L78 Accepts]: Start accepts. Automaton has 8836 states and 11012 transitions. Word has length 52 [2021-11-03 04:18:48,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:18:48,273 INFO L470 AbstractCegarLoop]: Abstraction has 8836 states and 11012 transitions. [2021-11-03 04:18:48,273 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 04:18:48,273 INFO L276 IsEmpty]: Start isEmpty. Operand 8836 states and 11012 transitions. [2021-11-03 04:18:48,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 04:18:48,274 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:18:48,274 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:18:48,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-03 04:18:48,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:18:48,474 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:18:48,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:18:48,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1294070070, now seen corresponding path program 1 times [2021-11-03 04:18:48,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:18:48,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [842737935] [2021-11-03 04:18:48,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:18:48,477 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:18:48,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:18:48,478 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:18:48,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-03 04:18:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:18:52,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 1175 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:18:52,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:18:52,370 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 04:18:52,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:18:52,722 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 04:18:52,722 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:18:52,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [842737935] [2021-11-03 04:18:52,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [842737935] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:18:52,722 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:18:52,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:18:52,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717332216] [2021-11-03 04:18:52,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:18:52,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:18:52,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:18:52,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:18:52,724 INFO L87 Difference]: Start difference. First operand 8836 states and 11012 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states 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 04:18:53,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:18:53,514 INFO L93 Difference]: Finished difference Result 8836 states and 11012 transitions. [2021-11-03 04:18:53,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:18:53,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-03 04:18:53,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:18:53,526 INFO L225 Difference]: With dead ends: 8836 [2021-11-03 04:18:53,527 INFO L226 Difference]: Without dead ends: 8832 [2021-11-03 04:18:53,529 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 103 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 04:18:53,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8832 states. [2021-11-03 04:18:54,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8832 to 8832. [2021-11-03 04:18:54,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8832 states, 8736 states have (on average 1.2582417582417582) internal successors, (10992), 8819 states have internal predecessors, (10992), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:18:54,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8832 states to 8832 states and 11008 transitions. [2021-11-03 04:18:54,474 INFO L78 Accepts]: Start accepts. Automaton has 8832 states and 11008 transitions. Word has length 54 [2021-11-03 04:18:54,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:18:54,474 INFO L470 AbstractCegarLoop]: Abstraction has 8832 states and 11008 transitions. [2021-11-03 04:18:54,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states 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 04:18:54,475 INFO L276 IsEmpty]: Start isEmpty. Operand 8832 states and 11008 transitions. [2021-11-03 04:18:54,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-03 04:18:54,475 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:18:54,476 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:18:54,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-03 04:18:54,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:18:54,692 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr104ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:18:54,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:18:54,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1939580462, now seen corresponding path program 1 times [2021-11-03 04:18:54,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:18:54,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1451223408] [2021-11-03 04:18:54,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:18:54,695 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:18:54,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:18:54,697 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:18:54,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-03 04:18:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:18:58,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 1178 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:18:58,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:18:58,642 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 04:18:58,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:18:58,966 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 04:18:58,966 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:18:58,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1451223408] [2021-11-03 04:18:58,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1451223408] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:18:58,966 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:18:58,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:18:58,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39053016] [2021-11-03 04:18:58,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:18:58,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:18:58,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:18:58,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:18:58,968 INFO L87 Difference]: Start difference. First operand 8832 states and 11008 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:18:59,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:18:59,927 INFO L93 Difference]: Finished difference Result 8832 states and 11008 transitions. [2021-11-03 04:18:59,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:18:59,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-11-03 04:18:59,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:18:59,937 INFO L225 Difference]: With dead ends: 8832 [2021-11-03 04:18:59,937 INFO L226 Difference]: Without dead ends: 8828 [2021-11-03 04:18:59,939 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 107 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 04:18:59,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8828 states. [2021-11-03 04:19:00,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8828 to 8828. [2021-11-03 04:19:00,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8828 states, 8734 states have (on average 1.258071902908175) internal successors, (10988), 8815 states have internal predecessors, (10988), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:19:00,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8828 states to 8828 states and 11004 transitions. [2021-11-03 04:19:00,774 INFO L78 Accepts]: Start accepts. Automaton has 8828 states and 11004 transitions. Word has length 56 [2021-11-03 04:19:00,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:19:00,774 INFO L470 AbstractCegarLoop]: Abstraction has 8828 states and 11004 transitions. [2021-11-03 04:19:00,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:00,774 INFO L276 IsEmpty]: Start isEmpty. Operand 8828 states and 11004 transitions. [2021-11-03 04:19:00,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-03 04:19:00,775 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:00,775 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:19:00,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (24)] Ended with exit code 0 [2021-11-03 04:19:00,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:19:00,999 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr105ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:19:00,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:01,000 INFO L85 PathProgramCache]: Analyzing trace with hash -78580238, now seen corresponding path program 1 times [2021-11-03 04:19:01,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:19:01,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [589638802] [2021-11-03 04:19:01,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:01,001 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:19:01,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:19:01,002 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:19:01,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-03 04:19:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:04,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 1181 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:19:04,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:19:04,975 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 04:19:04,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:19:05,344 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 04:19:05,344 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:19:05,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [589638802] [2021-11-03 04:19:05,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [589638802] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:19:05,344 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:19:05,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:19:05,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754495525] [2021-11-03 04:19:05,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:19:05,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:19:05,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:19:05,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:19:05,346 INFO L87 Difference]: Start difference. First operand 8828 states and 11004 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:06,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:19:06,198 INFO L93 Difference]: Finished difference Result 8828 states and 11004 transitions. [2021-11-03 04:19:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:19:06,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-11-03 04:19:06,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:19:06,207 INFO L225 Difference]: With dead ends: 8828 [2021-11-03 04:19:06,208 INFO L226 Difference]: Without dead ends: 8824 [2021-11-03 04:19:06,209 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:19:06,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8824 states. [2021-11-03 04:19:06,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8824 to 8824. [2021-11-03 04:19:06,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8824 states, 8732 states have (on average 1.2579019697663765) internal successors, (10984), 8811 states have internal predecessors, (10984), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:19:07,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8824 states to 8824 states and 11000 transitions. [2021-11-03 04:19:07,002 INFO L78 Accepts]: Start accepts. Automaton has 8824 states and 11000 transitions. Word has length 58 [2021-11-03 04:19:07,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:19:07,002 INFO L470 AbstractCegarLoop]: Abstraction has 8824 states and 11000 transitions. [2021-11-03 04:19:07,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:07,002 INFO L276 IsEmpty]: Start isEmpty. Operand 8824 states and 11000 transitions. [2021-11-03 04:19:07,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-03 04:19:07,003 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:07,003 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 04:19:07,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-03 04:19:07,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:19:07,203 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:19:07,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:07,204 INFO L85 PathProgramCache]: Analyzing trace with hash -2024458492, now seen corresponding path program 1 times [2021-11-03 04:19:07,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:19:07,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721992089] [2021-11-03 04:19:07,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:07,206 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:19:07,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:19:07,206 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:19:07,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-03 04:19:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:11,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 04:19:11,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:19:11,401 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 04:19:11,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:19:11,512 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 04:19:11,512 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:19:11,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [721992089] [2021-11-03 04:19:11,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [721992089] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:19:11,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:19:11,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 04:19:11,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233656453] [2021-11-03 04:19:11,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:19:11,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:19:11,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:19:11,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:19:11,513 INFO L87 Difference]: Start difference. First operand 8824 states and 11000 transitions. Second operand has 4 states, 4 states have (on average 14.75) 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 04:19:15,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:19:15,851 INFO L93 Difference]: Finished difference Result 29112 states and 36156 transitions. [2021-11-03 04:19:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:19:15,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) 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 59 [2021-11-03 04:19:15,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:19:15,876 INFO L225 Difference]: With dead ends: 29112 [2021-11-03 04:19:15,877 INFO L226 Difference]: Without dead ends: 20336 [2021-11-03 04:19:15,890 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 115 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 04:19:15,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20336 states. [2021-11-03 04:19:16,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20336 to 8824. [2021-11-03 04:19:16,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8824 states, 8732 states have (on average 1.2574438845625286) internal successors, (10980), 8811 states have internal predecessors, (10980), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:19:16,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8824 states to 8824 states and 10996 transitions. [2021-11-03 04:19:16,952 INFO L78 Accepts]: Start accepts. Automaton has 8824 states and 10996 transitions. Word has length 59 [2021-11-03 04:19:16,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:19:16,952 INFO L470 AbstractCegarLoop]: Abstraction has 8824 states and 10996 transitions. [2021-11-03 04:19:16,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) 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 04:19:16,952 INFO L276 IsEmpty]: Start isEmpty. Operand 8824 states and 10996 transitions. [2021-11-03 04:19:16,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-03 04:19:16,953 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:16,953 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 04:19:16,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-03 04:19:17,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:19:17,153 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:19:17,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:17,154 INFO L85 PathProgramCache]: Analyzing trace with hash -2024398910, now seen corresponding path program 1 times [2021-11-03 04:19:17,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:19:17,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [505374032] [2021-11-03 04:19:17,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:17,156 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:19:17,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:19:17,156 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:19:17,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-03 04:19:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:21,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:19:21,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:19:21,607 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 04:19:21,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:19:21,968 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 04:19:21,968 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:19:21,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [505374032] [2021-11-03 04:19:21,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [505374032] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:19:21,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:19:21,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:19:21,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691769702] [2021-11-03 04:19:21,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:19:21,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:19:21,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:19:21,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:19:21,970 INFO L87 Difference]: Start difference. First operand 8824 states and 10996 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 04:19:24,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:19:24,208 INFO L93 Difference]: Finished difference Result 15115 states and 18783 transitions. [2021-11-03 04:19:24,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:19:24,209 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 04:19:24,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:19:24,226 INFO L225 Difference]: With dead ends: 15115 [2021-11-03 04:19:24,227 INFO L226 Difference]: Without dead ends: 15089 [2021-11-03 04:19:24,230 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 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 04:19:24,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15089 states. [2021-11-03 04:19:25,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15089 to 8798. [2021-11-03 04:19:25,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8798 states, 8719 states have (on average 1.2534694345681845) internal successors, (10929), 8785 states have internal predecessors, (10929), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:19:25,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8798 states to 8798 states and 10945 transitions. [2021-11-03 04:19:25,315 INFO L78 Accepts]: Start accepts. Automaton has 8798 states and 10945 transitions. Word has length 59 [2021-11-03 04:19:25,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:19:25,315 INFO L470 AbstractCegarLoop]: Abstraction has 8798 states and 10945 transitions. [2021-11-03 04:19:25,315 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 04:19:25,315 INFO L276 IsEmpty]: Start isEmpty. Operand 8798 states and 10945 transitions. [2021-11-03 04:19:25,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-03 04:19:25,316 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:25,316 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:19:25,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-03 04:19:25,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:19:25,516 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:19:25,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:25,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1794205206, now seen corresponding path program 1 times [2021-11-03 04:19:25,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:19:25,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896801756] [2021-11-03 04:19:25,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:25,519 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:19:25,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:19:25,519 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:19:25,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-03 04:19:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:29,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:19:29,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:19:29,544 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 04:19:29,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:19:29,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:19:29,929 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:19:29,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1896801756] [2021-11-03 04:19:29,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1896801756] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:19:29,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:19:29,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:19:29,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121425753] [2021-11-03 04:19:29,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:19:29,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:19:29,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:19:29,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:19:29,931 INFO L87 Difference]: Start difference. First operand 8798 states and 10945 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:30,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:19:30,991 INFO L93 Difference]: Finished difference Result 8798 states and 10945 transitions. [2021-11-03 04:19:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:19:30,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-03 04:19:30,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:19:31,000 INFO L225 Difference]: With dead ends: 8798 [2021-11-03 04:19:31,001 INFO L226 Difference]: Without dead ends: 8692 [2021-11-03 04:19:31,003 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:19:31,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8692 states. [2021-11-03 04:19:32,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8692 to 8692. [2021-11-03 04:19:32,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8692 states, 8615 states have (on average 1.2553685432385375) internal successors, (10815), 8679 states have internal predecessors, (10815), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:19:32,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8692 states to 8692 states and 10831 transitions. [2021-11-03 04:19:32,046 INFO L78 Accepts]: Start accepts. Automaton has 8692 states and 10831 transitions. Word has length 60 [2021-11-03 04:19:32,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:19:32,047 INFO L470 AbstractCegarLoop]: Abstraction has 8692 states and 10831 transitions. [2021-11-03 04:19:32,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:32,047 INFO L276 IsEmpty]: Start isEmpty. Operand 8692 states and 10831 transitions. [2021-11-03 04:19:32,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-03 04:19:32,048 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:32,048 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:19:32,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-03 04:19:32,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:19:32,248 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr107ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:19:32,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:32,249 INFO L85 PathProgramCache]: Analyzing trace with hash -130882457, now seen corresponding path program 1 times [2021-11-03 04:19:32,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:19:32,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [744367920] [2021-11-03 04:19:32,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:32,251 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:19:32,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:19:32,253 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:19:32,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-03 04:19:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:36,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 1341 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 04:19:36,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:19:36,460 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 04:19:36,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:19:36,777 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 04:19:36,777 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:19:36,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [744367920] [2021-11-03 04:19:36,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [744367920] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:19:36,778 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:19:36,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2021-11-03 04:19:36,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350753952] [2021-11-03 04:19:36,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 04:19:36,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:19:36,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 04:19:36,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:19:36,779 INFO L87 Difference]: Start difference. First operand 8692 states and 10831 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:40,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:19:40,031 INFO L93 Difference]: Finished difference Result 10151 states and 12520 transitions. [2021-11-03 04:19:40,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 04:19:40,031 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-11-03 04:19:40,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:19:40,042 INFO L225 Difference]: With dead ends: 10151 [2021-11-03 04:19:40,042 INFO L226 Difference]: Without dead ends: 9782 [2021-11-03 04:19:40,045 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-11-03 04:19:40,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9782 states. [2021-11-03 04:19:41,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9782 to 8695. [2021-11-03 04:19:41,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8695 states, 8618 states have (on average 1.255279647249942) internal successors, (10818), 8682 states have internal predecessors, (10818), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:19:41,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8695 states to 8695 states and 10834 transitions. [2021-11-03 04:19:41,101 INFO L78 Accepts]: Start accepts. Automaton has 8695 states and 10834 transitions. Word has length 62 [2021-11-03 04:19:41,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:19:41,101 INFO L470 AbstractCegarLoop]: Abstraction has 8695 states and 10834 transitions. [2021-11-03 04:19:41,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:19:41,101 INFO L276 IsEmpty]: Start isEmpty. Operand 8695 states and 10834 transitions. [2021-11-03 04:19:41,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-03 04:19:41,101 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:41,102 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:19:41,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-03 04:19:41,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:19:41,302 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr107ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:19:41,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:41,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1323094655, now seen corresponding path program 1 times [2021-11-03 04:19:41,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:19:41,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598284644] [2021-11-03 04:19:41,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:41,305 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:19:41,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:19:41,305 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:19:41,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-03 04:19:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:45,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-03 04:19:45,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:19:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:19:45,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:19:46,223 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 04:19:46,223 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:19:46,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [598284644] [2021-11-03 04:19:46,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [598284644] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:19:46,224 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:19:46,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16, 16] imperfect sequences [] total 17 [2021-11-03 04:19:46,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228815680] [2021-11-03 04:19:46,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-03 04:19:46,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:19:46,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-03 04:19:46,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2021-11-03 04:19:46,225 INFO L87 Difference]: Start difference. First operand 8695 states and 10834 transitions. Second operand has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 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 04:19:50,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:19:50,935 INFO L93 Difference]: Finished difference Result 9425 states and 11685 transitions. [2021-11-03 04:19:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-03 04:19:50,936 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 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 04:19:50,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:19:50,945 INFO L225 Difference]: With dead ends: 9425 [2021-11-03 04:19:50,945 INFO L226 Difference]: Without dead ends: 8743 [2021-11-03 04:19:50,948 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=323, Invalid=1009, Unknown=0, NotChecked=0, Total=1332 [2021-11-03 04:19:50,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8743 states. [2021-11-03 04:19:51,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8743 to 8722. [2021-11-03 04:19:51,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8722 states, 8645 states have (on average 1.254251012145749) internal successors, (10843), 8709 states have internal predecessors, (10843), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:19:52,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8722 states to 8722 states and 10859 transitions. [2021-11-03 04:19:52,003 INFO L78 Accepts]: Start accepts. Automaton has 8722 states and 10859 transitions. Word has length 63 [2021-11-03 04:19:52,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:19:52,004 INFO L470 AbstractCegarLoop]: Abstraction has 8722 states and 10859 transitions. [2021-11-03 04:19:52,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 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 04:19:52,004 INFO L276 IsEmpty]: Start isEmpty. Operand 8722 states and 10859 transitions. [2021-11-03 04:19:52,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-03 04:19:52,004 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:19:52,004 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:19:52,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-03 04:19:52,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:19:52,205 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:19:52,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:19:52,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1215176211, now seen corresponding path program 1 times [2021-11-03 04:19:52,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:19:52,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [737497136] [2021-11-03 04:19:52,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:19:52,208 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:19:52,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:19:52,209 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:19:52,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-03 04:19:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:19:56,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 1438 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 04:19:56,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:19:56,547 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 04:19:56,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:19:56,686 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 04:19:56,687 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:19:56,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [737497136] [2021-11-03 04:19:56,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [737497136] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:19:56,687 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:19:56,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 04:19:56,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342592397] [2021-11-03 04:19:56,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:19:56,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:19:56,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:19:56,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:19:56,688 INFO L87 Difference]: Start difference. First operand 8722 states and 10859 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 04:19:59,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:19:59,815 INFO L93 Difference]: Finished difference Result 21420 states and 26542 transitions. [2021-11-03 04:19:59,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:19:59,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-11-03 04:19:59,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:19:59,832 INFO L225 Difference]: With dead ends: 21420 [2021-11-03 04:19:59,832 INFO L226 Difference]: Without dead ends: 12733 [2021-11-03 04:19:59,839 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 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 04:19:59,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12733 states. [2021-11-03 04:20:00,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12733 to 8722. [2021-11-03 04:20:00,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8722 states, 8645 states have (on average 1.2537883169462116) internal successors, (10839), 8709 states have internal predecessors, (10839), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:20:00,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8722 states to 8722 states and 10855 transitions. [2021-11-03 04:20:00,907 INFO L78 Accepts]: Start accepts. Automaton has 8722 states and 10855 transitions. Word has length 69 [2021-11-03 04:20:00,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:20:00,907 INFO L470 AbstractCegarLoop]: Abstraction has 8722 states and 10855 transitions. [2021-11-03 04:20:00,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 04:20:00,907 INFO L276 IsEmpty]: Start isEmpty. Operand 8722 states and 10855 transitions. [2021-11-03 04:20:00,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-03 04:20:00,908 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:20:00,908 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:20:00,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-03 04:20:01,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:20:01,108 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:20:01,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:20:01,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1801982225, now seen corresponding path program 1 times [2021-11-03 04:20:01,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:20:01,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [725301580] [2021-11-03 04:20:01,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:20:01,111 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:20:01,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:20:01,112 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:20:01,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-03 04:20:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:20:05,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 1438 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:20:05,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:20:05,747 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 04:20:05,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:20:06,163 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 04:20:06,163 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:20:06,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [725301580] [2021-11-03 04:20:06,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [725301580] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:20:06,164 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:20:06,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:20:06,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550504594] [2021-11-03 04:20:06,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:20:06,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:20:06,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:20:06,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:20:06,165 INFO L87 Difference]: Start difference. First operand 8722 states and 10855 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 04:20:09,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:20:09,371 INFO L93 Difference]: Finished difference Result 23397 states and 29229 transitions. [2021-11-03 04:20:09,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:20:09,372 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-11-03 04:20:09,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:20:09,399 INFO L225 Difference]: With dead ends: 23397 [2021-11-03 04:20:09,399 INFO L226 Difference]: Without dead ends: 23389 [2021-11-03 04:20:09,404 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 133 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 04:20:09,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23389 states. [2021-11-03 04:20:10,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23389 to 8714. [2021-11-03 04:20:10,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8714 states, 8641 states have (on average 1.2520541603981021) internal successors, (10819), 8701 states have internal predecessors, (10819), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:20:10,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8714 states to 8714 states and 10835 transitions. [2021-11-03 04:20:10,715 INFO L78 Accepts]: Start accepts. Automaton has 8714 states and 10835 transitions. Word has length 69 [2021-11-03 04:20:10,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:20:10,716 INFO L470 AbstractCegarLoop]: Abstraction has 8714 states and 10835 transitions. [2021-11-03 04:20:10,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 04:20:10,716 INFO L276 IsEmpty]: Start isEmpty. Operand 8714 states and 10835 transitions. [2021-11-03 04:20:10,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-03 04:20:10,716 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:20:10,717 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] [2021-11-03 04:20:10,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-11-03 04:20:10,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:20:10,919 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:20:10,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:20:10,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1391274507, now seen corresponding path program 1 times [2021-11-03 04:20:10,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:20:10,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1838566099] [2021-11-03 04:20:10,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:20:10,921 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:20:10,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:20:10,922 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:20:10,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-03 04:20:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:20:15,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:20:15,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:20:15,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:20:15,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:20:15,497 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 04:20:15,498 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:20:15,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1838566099] [2021-11-03 04:20:15,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1838566099] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:20:15,498 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:20:15,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-03 04:20:15,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067965770] [2021-11-03 04:20:15,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 04:20:15,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:20:15,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 04:20:15,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:20:15,499 INFO L87 Difference]: Start difference. First operand 8714 states and 10835 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 04:20:23,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:20:23,284 INFO L93 Difference]: Finished difference Result 23491 states and 29314 transitions. [2021-11-03 04:20:23,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 04:20:23,285 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 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 73 [2021-11-03 04:20:23,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:20:23,311 INFO L225 Difference]: With dead ends: 23491 [2021-11-03 04:20:23,311 INFO L226 Difference]: Without dead ends: 23481 [2021-11-03 04:20:23,315 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:20:23,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23481 states. [2021-11-03 04:20:24,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23481 to 8704. [2021-11-03 04:20:24,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8704 states, 8636 states have (on average 1.2498842056507642) internal successors, (10794), 8691 states have internal predecessors, (10794), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:20:24,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8704 states to 8704 states and 10810 transitions. [2021-11-03 04:20:24,808 INFO L78 Accepts]: Start accepts. Automaton has 8704 states and 10810 transitions. Word has length 73 [2021-11-03 04:20:24,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:20:24,808 INFO L470 AbstractCegarLoop]: Abstraction has 8704 states and 10810 transitions. [2021-11-03 04:20:24,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 04:20:24,809 INFO L276 IsEmpty]: Start isEmpty. Operand 8704 states and 10810 transitions. [2021-11-03 04:20:24,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-03 04:20:24,810 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:20:24,810 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] [2021-11-03 04:20:24,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-03 04:20:25,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:20:25,010 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:20:25,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:20:25,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1046600178, now seen corresponding path program 1 times [2021-11-03 04:20:25,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:20:25,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [519938601] [2021-11-03 04:20:25,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:20:25,013 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:20:25,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:20:25,013 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:20:25,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-11-03 04:20:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:20:29,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 1468 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 04:20:29,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:20:29,491 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 04:20:29,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:20:29,676 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 04:20:29,676 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:20:29,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [519938601] [2021-11-03 04:20:29,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [519938601] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:20:29,677 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:20:29,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:20:29,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029557675] [2021-11-03 04:20:29,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:20:29,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:20:29,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:20:29,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:20:29,679 INFO L87 Difference]: Start difference. First operand 8704 states and 10810 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states 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 04:20:33,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:20:33,708 INFO L93 Difference]: Finished difference Result 34287 states and 42639 transitions. [2021-11-03 04:20:33,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:20:33,714 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 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 78 [2021-11-03 04:20:33,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:20:33,743 INFO L225 Difference]: With dead ends: 34287 [2021-11-03 04:20:33,743 INFO L226 Difference]: Without dead ends: 25618 [2021-11-03 04:20:33,754 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 152 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 04:20:33,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25618 states. [2021-11-03 04:20:35,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25618 to 8720. [2021-11-03 04:20:35,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8720 states, 8652 states have (on average 1.249422098936662) internal successors, (10810), 8707 states have internal predecessors, (10810), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:20:35,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8720 states to 8720 states and 10826 transitions. [2021-11-03 04:20:35,508 INFO L78 Accepts]: Start accepts. Automaton has 8720 states and 10826 transitions. Word has length 78 [2021-11-03 04:20:35,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:20:35,509 INFO L470 AbstractCegarLoop]: Abstraction has 8720 states and 10826 transitions. [2021-11-03 04:20:35,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states 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 04:20:35,509 INFO L276 IsEmpty]: Start isEmpty. Operand 8720 states and 10826 transitions. [2021-11-03 04:20:35,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-03 04:20:35,510 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:20:35,510 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] [2021-11-03 04:20:35,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2021-11-03 04:20:35,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:20:35,710 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:20:35,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:20:35,711 INFO L85 PathProgramCache]: Analyzing trace with hash -24115229, now seen corresponding path program 1 times [2021-11-03 04:20:35,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:20:35,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409209881] [2021-11-03 04:20:35,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:20:35,713 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:20:35,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:20:35,713 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:20:35,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-03 04:20:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:20:40,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 1474 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 04:20:40,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:20:40,166 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 04:20:40,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:20:40,294 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 04:20:40,294 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:20:40,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409209881] [2021-11-03 04:20:40,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1409209881] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:20:40,294 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:20:40,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:20:40,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174812506] [2021-11-03 04:20:40,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:20:40,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:20:40,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:20:40,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:20:40,295 INFO L87 Difference]: Start difference. First operand 8720 states and 10826 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states 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 04:20:43,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:20:43,285 INFO L93 Difference]: Finished difference Result 17957 states and 22359 transitions. [2021-11-03 04:20:43,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:20:43,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 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 79 [2021-11-03 04:20:43,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:20:43,297 INFO L225 Difference]: With dead ends: 17957 [2021-11-03 04:20:43,297 INFO L226 Difference]: Without dead ends: 9272 [2021-11-03 04:20:43,309 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 154 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 04:20:43,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9272 states. [2021-11-03 04:20:45,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9272 to 9272. [2021-11-03 04:20:45,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9272 states, 9204 states have (on average 1.2501086484137331) internal successors, (11506), 9259 states have internal predecessors, (11506), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:20:45,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9272 states to 9272 states and 11522 transitions. [2021-11-03 04:20:45,041 INFO L78 Accepts]: Start accepts. Automaton has 9272 states and 11522 transitions. Word has length 79 [2021-11-03 04:20:45,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:20:45,041 INFO L470 AbstractCegarLoop]: Abstraction has 9272 states and 11522 transitions. [2021-11-03 04:20:45,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states 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 04:20:45,042 INFO L276 IsEmpty]: Start isEmpty. Operand 9272 states and 11522 transitions. [2021-11-03 04:20:45,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-03 04:20:45,042 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:20:45,042 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] [2021-11-03 04:20:45,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2021-11-03 04:20:45,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:20:45,243 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:20:45,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:20:45,243 INFO L85 PathProgramCache]: Analyzing trace with hash 923342184, now seen corresponding path program 1 times [2021-11-03 04:20:45,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:20:45,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [133845691] [2021-11-03 04:20:45,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:20:45,246 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:20:45,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:20:45,246 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:20:45,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-03 04:20:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:20:49,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 1487 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 04:20:49,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:20:50,010 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 04:20:50,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:20:50,282 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 04:20:50,282 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:20:50,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [133845691] [2021-11-03 04:20:50,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [133845691] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:20:50,282 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:20:50,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 04:20:50,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348697130] [2021-11-03 04:20:50,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 04:20:50,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:20:50,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 04:20:50,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:20:50,284 INFO L87 Difference]: Start difference. First operand 9272 states and 11522 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 0 states 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 04:21:13,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:21:13,775 INFO L93 Difference]: Finished difference Result 112906 states and 141073 transitions. [2021-11-03 04:21:13,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-03 04:21:13,776 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 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 04:21:13,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:21:14,130 INFO L225 Difference]: With dead ends: 112906 [2021-11-03 04:21:14,130 INFO L226 Difference]: Without dead ends: 103669 [2021-11-03 04:21:14,156 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2021-11-03 04:21:14,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103669 states. [2021-11-03 04:21:16,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103669 to 9280. [2021-11-03 04:21:16,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9280 states, 9212 states have (on average 1.249891445940078) internal successors, (11514), 9267 states have internal predecessors, (11514), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-03 04:21:16,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9280 states to 9280 states and 11530 transitions. [2021-11-03 04:21:16,744 INFO L78 Accepts]: Start accepts. Automaton has 9280 states and 11530 transitions. Word has length 82 [2021-11-03 04:21:16,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:21:16,744 INFO L470 AbstractCegarLoop]: Abstraction has 9280 states and 11530 transitions. [2021-11-03 04:21:16,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 0 states 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 04:21:16,744 INFO L276 IsEmpty]: Start isEmpty. Operand 9280 states and 11530 transitions. [2021-11-03 04:21:16,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-03 04:21:16,746 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:21:16,746 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] [2021-11-03 04:21:16,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-11-03 04:21:16,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:21:16,946 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr107ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 147 more)] === [2021-11-03 04:21:16,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:21:16,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1775687387, now seen corresponding path program 1 times [2021-11-03 04:21:16,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:21:16,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [848699668] [2021-11-03 04:21:16,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:21:16,950 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:21:16,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:21:16,951 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:21:16,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54c304f0-d9fc-4383-87da-3122348f5d9b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-11-03 04:21:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:21:21,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:21:21,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:21:21,778 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 04:21:21,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:21:22,314 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 04:21:22,314 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:21:22,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [848699668] [2021-11-03 04:21:22,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [848699668] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:21:22,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:21:22,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 04:21:22,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902876601] [2021-11-03 04:21:22,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:21:22,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:21:22,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:21:22,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:21:22,315 INFO L87 Difference]: Start difference. First operand 9280 states and 11530 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states 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 04:21:26,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:21:26,798 INFO L93 Difference]: Finished difference Result 16636 states and 20759 transitions. [2021-11-03 04:21:26,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 04:21:26,799 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 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 87 [2021-11-03 04:21:26,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:21:26,818 INFO L225 Difference]: With dead ends: 16636 [2021-11-03 04:21:26,818 INFO L226 Difference]: Without dead ends: 16632 [2021-11-03 04:21:26,821 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:21:26,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16632 states.