./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF --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 fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:46:31,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:46:31,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:46:32,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:46:32,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:46:32,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:46:32,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:46:32,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:46:32,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:46:32,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:46:32,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:46:32,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:46:32,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:46:32,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:46:32,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:46:32,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:46:32,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:46:32,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:46:32,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:46:32,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:46:32,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:46:32,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:46:32,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:46:32,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:46:32,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:46:32,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:46:32,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:46:32,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:46:32,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:46:32,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:46:32,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:46:32,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:46:32,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:46:32,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:46:32,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:46:32,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:46:32,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:46:32,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:46:32,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:46:32,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:46:32,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:46:32,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:46:32,164 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:46:32,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:46:32,166 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:46:32,166 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:46:32,167 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:46:32,167 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:46:32,167 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:46:32,167 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:46:32,174 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:46:32,174 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:46:32,175 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:46:32,176 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:46:32,176 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:46:32,176 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:46:32,177 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:46:32,177 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:46:32,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:46:32,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:46:32,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:46:32,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:46:32,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:46:32,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:46:32,179 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:46:32,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:46:32,179 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:46:32,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:46:32,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:46:32,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:46:32,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:46:32,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:46:32,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:46:32,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:46:32,183 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:46:32,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:46:32,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:46:32,184 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:46:32,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:46:32,184 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_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd [2021-11-12 23:46:32,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:46:32,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:46:32,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:46:32,540 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:46:32,541 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:46:32,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-11-12 23:46:32,643 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/data/77e11e502/a959bfa881484fdca7c928054676aafa/FLAG75194af78 [2021-11-12 23:46:33,699 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:46:33,700 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-11-12 23:46:33,773 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/data/77e11e502/a959bfa881484fdca7c928054676aafa/FLAG75194af78 [2021-11-12 23:46:34,020 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/data/77e11e502/a959bfa881484fdca7c928054676aafa [2021-11-12 23:46:34,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:46:34,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:46:34,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:46:34,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:46:34,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:46:34,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:46:34" (1/1) ... [2021-11-12 23:46:34,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f92256b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:46:34, skipping insertion in model container [2021-11-12 23:46:34,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:46:34" (1/1) ... [2021-11-12 23:46:34,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:46:34,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:46:34,865 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2021-11-12 23:46:34,866 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2021-11-12 23:46:36,008 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2021-11-12 23:46:36,155 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:36,344 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:36,351 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:36,359 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:36,366 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:36,394 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:36,498 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:36,683 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:36,694 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:36,782 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:36,787 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,105 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,113 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,123 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,124 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,127 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,197 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,204 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,207 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,229 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,236 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,242 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,268 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,269 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,276 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,289 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,290 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,293 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,296 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,299 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,301 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,302 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,346 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,349 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,353 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,455 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,481 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,502 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,503 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,519 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,524 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,534 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,535 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,537 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,549 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,550 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,552 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,560 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,561 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,563 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,565 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,566 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,569 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,570 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,571 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,572 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,580 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,583 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,588 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,589 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,623 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,632 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,635 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,635 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,636 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,636 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,637 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,637 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,639 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,639 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,640 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,641 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,643 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,643 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,680 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,681 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,682 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,683 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,684 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,700 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,702 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,732 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,752 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,753 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,767 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,770 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,771 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,771 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,773 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,773 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,774 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,775 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,777 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,778 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,778 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,779 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,783 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,787 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,789 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,790 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,791 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,793 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,803 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,805 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,807 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,808 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,820 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,822 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,823 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,823 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,831 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,832 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,834 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,835 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,836 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,837 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,839 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,847 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,848 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,848 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,850 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,851 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,854 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,866 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,866 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,897 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,910 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,910 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,911 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,913 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,914 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,962 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,963 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,963 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,964 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,964 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,964 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,965 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,965 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,965 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,966 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,966 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,967 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,967 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,967 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,968 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,968 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,969 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,969 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,970 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,970 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,970 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,971 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,983 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,984 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,985 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,985 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,986 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,986 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,987 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,988 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,989 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,990 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,991 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,991 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,992 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,993 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,993 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,993 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,994 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,994 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,995 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,995 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:37,997 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,171 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,222 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,226 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,228 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,237 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,239 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,246 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,248 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,248 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,270 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,270 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,272 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,273 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,273 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,274 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,275 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,276 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,277 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,362 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:46:38,444 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-12 23:46:38,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:46:38,530 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) [2021-11-12 23:46:38,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@144cf765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:46:38, skipping insertion in model container [2021-11-12 23:46:38,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:46:38,531 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:46:38,534 INFO L158 Benchmark]: Toolchain (without parser) took 4509.07ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 70.5MB in the beginning and 72.8MB in the end (delta: -2.4MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2021-11-12 23:46:38,535 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:46:38,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4507.10ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 70.2MB in the beginning and 72.8MB in the end (delta: -2.7MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2021-11-12 23:46:38,538 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4507.10ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 70.2MB in the beginning and 72.8MB in the end (delta: -2.7MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6020]: 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_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF --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 fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:46:41,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:46:41,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:46:41,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:46:41,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:46:41,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:46:41,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:46:41,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:46:41,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:46:41,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:46:41,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:46:41,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:46:41,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:46:41,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:46:41,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:46:41,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:46:41,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:46:41,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:46:41,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:46:41,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:46:41,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:46:41,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:46:41,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:46:41,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:46:41,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:46:41,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:46:41,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:46:41,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:46:41,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:46:41,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:46:41,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:46:41,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:46:41,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:46:41,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:46:41,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:46:41,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:46:41,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:46:41,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:46:41,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:46:41,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:46:41,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:46:41,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:46:41,228 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:46:41,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:46:41,230 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:46:41,230 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:46:41,231 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:46:41,231 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:46:41,231 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:46:41,231 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:46:41,232 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:46:41,232 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:46:41,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:46:41,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:46:41,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:46:41,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:46:41,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:46:41,236 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:46:41,236 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:46:41,237 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:46:41,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:46:41,237 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:46:41,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:46:41,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:46:41,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:46:41,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:46:41,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:46:41,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:46:41,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:46:41,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:46:41,240 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:46:41,240 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:46:41,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:46:41,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:46:41,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:46:41,241 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_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd [2021-11-12 23:46:41,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:46:41,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:46:41,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:46:41,723 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:46:41,724 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:46:41,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-11-12 23:46:41,814 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/data/c13a6aa28/43d9511972de4c5f841e8c51f684b53e/FLAGad942ccc7 [2021-11-12 23:46:43,102 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:46:43,103 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-11-12 23:46:43,183 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/data/c13a6aa28/43d9511972de4c5f841e8c51f684b53e/FLAGad942ccc7 [2021-11-12 23:46:43,329 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/data/c13a6aa28/43d9511972de4c5f841e8c51f684b53e [2021-11-12 23:46:43,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:46:43,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:46:43,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:46:43,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:46:43,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:46:43,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:46:43" (1/1) ... [2021-11-12 23:46:43,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c0972e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:46:43, skipping insertion in model container [2021-11-12 23:46:43,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:46:43" (1/1) ... [2021-11-12 23:46:43,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:46:43,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:46:44,364 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2021-11-12 23:46:44,365 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2021-11-12 23:46:45,287 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2021-11-12 23:46:47,566 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-12 23:46:47,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:46:47,729 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:46:47,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:46:47,936 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2021-11-12 23:46:47,937 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2021-11-12 23:46:47,960 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2021-11-12 23:46:48,364 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-12 23:46:48,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:46:48,423 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:46:48,566 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2021-11-12 23:46:48,566 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2021-11-12 23:46:48,626 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2021-11-12 23:46:49,229 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-12 23:46:49,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:46:49,522 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:46:49,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:46:49 WrapperNode [2021-11-12 23:46:49,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:46:49,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:46:49,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:46:49,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:46:49,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:46:49" (1/1) ... [2021-11-12 23:46:49,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:46:49" (1/1) ... [2021-11-12 23:46:50,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:46:50,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:46:50,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:46:50,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:46:50,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:46:49" (1/1) ... [2021-11-12 23:46:50,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:46:49" (1/1) ... [2021-11-12 23:46:50,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:46:49" (1/1) ... [2021-11-12 23:46:50,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:46:49" (1/1) ... [2021-11-12 23:46:50,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:46:49" (1/1) ... [2021-11-12 23:46:50,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:46:49" (1/1) ... [2021-11-12 23:46:50,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:46:49" (1/1) ... [2021-11-12 23:46:50,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:46:50,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:46:50,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:46:50,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:46:50,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:46:49" (1/1) ... [2021-11-12 23:46:50,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:46:50,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:46:50,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:46:50,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:46:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-12 23:46:50,529 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-12 23:46:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-12 23:46:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure unix_gc [2021-11-12 23:46:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_gc [2021-11-12 23:46:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure unix_sysctl_unregister [2021-11-12 23:46:50,530 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_sysctl_unregister [2021-11-12 23:46:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-12 23:46:50,531 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-12 23:46:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2021-11-12 23:46:50,531 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2021-11-12 23:46:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-12 23:46:50,531 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-12 23:46:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure sock_sndtimeo [2021-11-12 23:46:50,532 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_sndtimeo [2021-11-12 23:46:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-12 23:46:50,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-12 23:46:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:46:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:46:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release_addr [2021-11-12 23:46:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release_addr [2021-11-12 23:46:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure unix_state_double_lock [2021-11-12 23:46:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_state_double_lock [2021-11-12 23:46:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure unix_set_peek_off [2021-11-12 23:46:50,534 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_set_peek_off [2021-11-12 23:46:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-12 23:46:50,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-12 23:46:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_disconnected [2021-11-12 23:46:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_disconnected [2021-11-12 23:46:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2021-11-12 23:46:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2021-11-12 23:46:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure scm_destroy [2021-11-12 23:46:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_destroy [2021-11-12 23:46:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure put_cmsg [2021-11-12 23:46:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cmsg [2021-11-12 23:46:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure unix_create1 [2021-11-12 23:46:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_create1 [2021-11-12 23:46:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_poll [2021-11-12 23:46:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_poll [2021-11-12 23:46:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 23:46:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 23:46:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-11-12 23:46:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-11-12 23:46:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure unix_recvq_full [2021-11-12 23:46:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_recvq_full [2021-11-12 23:46:50,538 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-12 23:46:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-12 23:46:50,538 INFO L130 BoogieDeclarations]: Found specification of procedure unix_shutdown [2021-11-12 23:46:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_shutdown [2021-11-12 23:46:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-12 23:46:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure scan_children [2021-11-12 23:46:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_children [2021-11-12 23:46:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:46:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-12 23:46:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-12 23:46:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset_fwd [2021-11-12 23:46:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset_fwd [2021-11-12 23:46:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-12 23:46:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:46:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure unix_find_other [2021-11-12 23:46:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_find_other [2021-11-12 23:46:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:46:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure unix_scm_to_skb [2021-11-12 23:46:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_scm_to_skb [2021-11-12 23:46:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure scm_send [2021-11-12 23:46:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_send [2021-11-12 23:46:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:46:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:46:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure sk_set_socket [2021-11-12 23:46:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_set_socket [2021-11-12 23:46:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure unix_autobind [2021-11-12 23:46:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_autobind [2021-11-12 23:46:50,543 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-12 23:46:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-12 23:46:50,543 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release_sock [2021-11-12 23:46:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release_sock [2021-11-12 23:46:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2021-11-12 23:46:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2021-11-12 23:46:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure unix_mkname [2021-11-12 23:46:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_mkname [2021-11-12 23:46:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 23:46:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 23:46:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure sock_intr_errno [2021-11-12 23:46:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_intr_errno [2021-11-12 23:46:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_inc [2021-11-12 23:46:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_inc [2021-11-12 23:46:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure unix_may_send [2021-11-12 23:46:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_may_send [2021-11-12 23:46:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:46:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:46:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-12 23:46:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-12 23:46:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2021-11-12 23:46:50,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2021-11-12 23:46:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure unix_listen [2021-11-12 23:46:50,547 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_listen [2021-11-12 23:46:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure sk_sleep [2021-11-12 23:46:50,547 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_sleep [2021-11-12 23:46:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-12 23:46:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-12 23:46:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 23:46:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 23:46:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure seq_file_net [2021-11-12 23:46:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_file_net [2021-11-12 23:46:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure kiocb_to_siocb [2021-11-12 23:46:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure kiocb_to_siocb [2021-11-12 23:46:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure init_peercred [2021-11-12 23:46:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure init_peercred [2021-11-12 23:46:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-12 23:46:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-12 23:46:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-12 23:46:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-12 23:46:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_sendmsg [2021-11-12 23:46:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_sendmsg [2021-11-12 23:46:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure unix_stream_connect [2021-11-12 23:46:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_stream_connect [2021-11-12 23:46:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2021-11-12 23:46:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2021-11-12 23:46:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_dec [2021-11-12 23:46:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_dec [2021-11-12 23:46:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure unix_skb_len [2021-11-12 23:46:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_skb_len [2021-11-12 23:46:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure sock_flag [2021-11-12 23:46:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_flag [2021-11-12 23:46:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure unix_state_double_unlock [2021-11-12 23:46:50,553 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_state_double_unlock [2021-11-12 23:46:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:46:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-12 23:46:50,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-12 23:46:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:46:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 23:46:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:46:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:46:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:46:50,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:46:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:46:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure unix_net_exit [2021-11-12 23:46:50,555 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_net_exit [2021-11-12 23:46:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure unix_detach_fds [2021-11-12 23:46:50,555 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_detach_fds [2021-11-12 23:46:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure touch_atime [2021-11-12 23:46:50,555 INFO L138 BoogieDeclarations]: Found implementation of procedure touch_atime [2021-11-12 23:46:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure unix_seq_stop [2021-11-12 23:46:50,556 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_seq_stop [2021-11-12 23:46:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-12 23:46:50,556 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-12 23:46:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-12 23:46:50,557 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-12 23:46:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_iovec [2021-11-12 23:46:50,557 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_iovec [2021-11-12 23:46:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 23:46:50,557 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 23:46:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-12 23:46:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-12 23:46:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure unix_accept [2021-11-12 23:46:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_accept [2021-11-12 23:46:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_recvmsg [2021-11-12 23:46:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_recvmsg [2021-11-12 23:46:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-12 23:46:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-12 23:46:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-12 23:46:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-12 23:46:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:46:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure unix_wait_for_peer [2021-11-12 23:46:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_wait_for_peer [2021-11-12 23:46:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure unix_hash_fold [2021-11-12 23:46:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_hash_fold [2021-11-12 23:46:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure scan_inflight [2021-11-12 23:46:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_inflight [2021-11-12 23:46:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-12 23:46:50,561 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-12 23:46:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:46:50,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:46:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-12 23:46:50,561 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-12 23:46:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:46:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-11-12 23:46:50,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-11-12 23:46:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:46:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-11-12 23:46:50,563 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-11-12 23:46:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-11-12 23:46:50,563 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-11-12 23:46:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:46:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:46:50,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:46:50,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:46:50,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:46:50,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:46:50,564 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-11-12 23:46:50,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-11-12 23:46:50,565 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-12 23:46:50,565 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-12 23:46:50,565 INFO L130 BoogieDeclarations]: Found specification of procedure unix_peer_get [2021-11-12 23:46:50,565 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_peer_get [2021-11-12 23:46:50,565 INFO L130 BoogieDeclarations]: Found specification of procedure unix_bind [2021-11-12 23:46:50,565 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_bind [2021-11-12 23:46:50,566 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2021-11-12 23:46:50,566 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2021-11-12 23:46:50,566 INFO L130 BoogieDeclarations]: Found specification of procedure unix_copy_addr [2021-11-12 23:46:50,566 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_copy_addr [2021-11-12 23:46:50,566 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-11-12 23:46:50,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-11-12 23:46:50,567 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-12 23:46:50,567 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-12 23:46:50,567 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-12 23:46:50,567 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-12 23:46:50,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-12 23:46:50,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-12 23:46:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure sock_poll_wait [2021-11-12 23:46:50,568 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_poll_wait [2021-11-12 23:46:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_find_socket_byname [2021-11-12 23:46:50,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_find_socket_byname [2021-11-12 23:46:50,568 INFO L130 BoogieDeclarations]: Found specification of procedure sock_net [2021-11-12 23:46:50,568 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_net [2021-11-12 23:46:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-12 23:46:50,569 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-12 23:46:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:46:50,569 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:46:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure scm_recv [2021-11-12 23:46:50,569 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_recv [2021-11-12 23:46:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release [2021-11-12 23:46:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release [2021-11-12 23:46:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 23:46:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 23:46:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2021-11-12 23:46:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2021-11-12 23:46:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_getsockopt [2021-11-12 23:46:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_getsockopt [2021-11-12 23:46:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure sock_alloc_send_pskb [2021-11-12 23:46:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_alloc_send_pskb [2021-11-12 23:46:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:46:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset [2021-11-12 23:46:50,571 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset [2021-11-12 23:46:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 23:46:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 23:46:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure unix_get_socket [2021-11-12 23:46:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_get_socket [2021-11-12 23:46:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:46:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unhashed [2021-11-12 23:46:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unhashed [2021-11-12 23:46:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-12 23:46:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-12 23:46:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure get_pid [2021-11-12 23:46:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pid [2021-11-12 23:46:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-11-12 23:46:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-11-12 23:46:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure scm_set_cred [2021-11-12 23:46:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_set_cred [2021-11-12 23:46:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-11-12 23:46:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-11-12 23:46:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-12 23:46:50,575 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-12 23:46:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:46:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:46:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2021-11-12 23:46:50,575 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2021-11-12 23:46:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:46:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:46:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure sk_wake_async [2021-11-12 23:46:50,576 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_wake_async [2021-11-12 23:46:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:46:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-12 23:46:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-12 23:46:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_add_creds [2021-11-12 23:46:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_add_creds [2021-11-12 23:46:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-12 23:46:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-12 23:46:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure skb_free_datagram [2021-11-12 23:46:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_free_datagram [2021-11-12 23:46:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 23:46:50,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 23:46:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_from_iovec [2021-11-12 23:46:50,578 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_from_iovec [2021-11-12 23:46:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure sock_prot_inuse_add [2021-11-12 23:46:50,578 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_prot_inuse_add [2021-11-12 23:46:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-12 23:46:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-12 23:46:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure sk_next [2021-11-12 23:46:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_next [2021-11-12 23:46:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_insert_socket [2021-11-12 23:46:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_insert_socket [2021-11-12 23:46:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure sock_error [2021-11-12 23:46:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_error [2021-11-12 23:46:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_remove_socket [2021-11-12 23:46:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_remove_socket [2021-11-12 23:46:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure csum_partial [2021-11-12 23:46:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_partial [2021-11-12 23:46:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 23:46:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 23:46:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-12 23:46:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-12 23:46:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:46:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:46:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure scm_fp_dup [2021-11-12 23:46:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_fp_dup [2021-11-12 23:46:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure security_unix_may_send [2021-11-12 23:46:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure security_unix_may_send [2021-11-12 23:46:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:46:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:46:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:46:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:46:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_mmap [2021-11-12 23:46:50,583 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_mmap [2021-11-12 23:46:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure scm_destroy_cred [2021-11-12 23:46:50,583 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_destroy_cred [2021-11-12 23:46:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:46:50,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:46:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2021-11-12 23:46:50,584 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2021-11-12 23:46:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up_sync_key [2021-11-12 23:46:50,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up_sync_key [2021-11-12 23:46:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-11-12 23:46:50,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-11-12 23:46:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure task_tgid [2021-11-12 23:46:50,585 INFO L138 BoogieDeclarations]: Found implementation of procedure task_tgid [2021-11-12 23:46:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-12 23:46:50,585 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-12 23:46:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-12 23:46:50,585 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-12 23:46:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_unix_gc [2021-11-12 23:46:50,586 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_unix_gc [2021-11-12 23:46:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-11-12 23:46:50,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-11-12 23:46:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure unix_next_socket [2021-11-12 23:46:50,586 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_next_socket [2021-11-12 23:46:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_setsockopt [2021-11-12 23:46:50,587 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_setsockopt [2021-11-12 23:46:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset_bwd [2021-11-12 23:46:50,587 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset_bwd [2021-11-12 23:46:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-12 23:46:50,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-12 23:46:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure unix_writable [2021-11-12 23:46:50,587 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_writable [2021-11-12 23:46:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-11-12 23:46:50,588 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-11-12 23:46:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure unix_socketpair [2021-11-12 23:46:50,588 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_socketpair [2021-11-12 23:46:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_sendpage [2021-11-12 23:46:50,588 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_sendpage [2021-11-12 23:46:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-12 23:46:50,589 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-12 23:46:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure unix_getname [2021-11-12 23:46:50,589 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_getname [2021-11-12 23:46:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure unix_ioctl [2021-11-12 23:46:50,589 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_ioctl [2021-11-12 23:46:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2021-11-12 23:46:50,590 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2021-11-12 23:46:52,416 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:47:24,642 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:47:24,642 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:47:24,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:47:24 BoogieIcfgContainer [2021-11-12 23:47:24,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:47:24,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:47:24,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:47:24,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:47:24,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:46:43" (1/3) ... [2021-11-12 23:47:24,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668b01de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:47:24, skipping insertion in model container [2021-11-12 23:47:24,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:46:49" (2/3) ... [2021-11-12 23:47:24,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668b01de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:47:24, skipping insertion in model container [2021-11-12 23:47:24,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:47:24" (3/3) ... [2021-11-12 23:47:24,660 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2021-11-12 23:47:24,666 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:47:24,666 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:47:24,736 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:47:24,744 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2021-11-12 23:47:24,744 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:47:24,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 2739 states, 1884 states have (on average 1.3540339702760085) internal successors, (2551), 1986 states have internal predecessors, (2551), 697 states have call successors, (697), 157 states have call predecessors, (697), 156 states have return successors, (688), 672 states have call predecessors, (688), 688 states have call successors, (688) [2021-11-12 23:47:24,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-12 23:47:24,863 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:24,864 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:47:24,865 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:47:24,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:24,871 INFO L85 PathProgramCache]: Analyzing trace with hash 517155252, now seen corresponding path program 1 times [2021-11-12 23:47:24,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:24,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488476390] [2021-11-12 23:47:24,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:24,890 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:24,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:24,896 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:24,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:47:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:27,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 1768 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:47:27,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2021-11-12 23:47:28,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:28,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2021-11-12 23:47:28,828 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:28,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488476390] [2021-11-12 23:47:28,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1488476390] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:28,831 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:28,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:47:28,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993509897] [2021-11-12 23:47:28,834 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:28,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:47:28,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:28,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:47:28,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:47:28,895 INFO L87 Difference]: Start difference. First operand has 2739 states, 1884 states have (on average 1.3540339702760085) internal successors, (2551), 1986 states have internal predecessors, (2551), 697 states have call successors, (697), 157 states have call predecessors, (697), 156 states have return successors, (688), 672 states have call predecessors, (688), 688 states have call successors, (688) Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:47:29,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:29,738 INFO L93 Difference]: Finished difference Result 7773 states and 11266 transitions. [2021-11-12 23:47:29,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:47:29,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 214 [2021-11-12 23:47:29,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:29,827 INFO L225 Difference]: With dead ends: 7773 [2021-11-12 23:47:29,827 INFO L226 Difference]: Without dead ends: 4986 [2021-11-12 23:47:29,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:47:29,870 INFO L933 BasicCegarLoop]: 4481 mSDtfsCounter, 3328 mSDsluCounter, 3791 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 298.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3328 SdHoareTripleChecker+Valid, 8272 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 59.92ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 364.70ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:29,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3328 Valid, 8272 Invalid, 56 Unknown, 0 Unchecked, 59.92ms Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 364.70ms Time] [2021-11-12 23:47:29,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4986 states. [2021-11-12 23:47:30,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4986 to 4981. [2021-11-12 23:47:30,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4981 states, 3434 states have (on average 1.3444962143273151) internal successors, (4617), 3611 states have internal predecessors, (4617), 1238 states have call successors, (1238), 309 states have call predecessors, (1238), 308 states have return successors, (1237), 1206 states have call predecessors, (1237), 1237 states have call successors, (1237) [2021-11-12 23:47:30,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4981 states to 4981 states and 7092 transitions. [2021-11-12 23:47:30,373 INFO L78 Accepts]: Start accepts. Automaton has 4981 states and 7092 transitions. Word has length 214 [2021-11-12 23:47:30,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:30,379 INFO L470 AbstractCegarLoop]: Abstraction has 4981 states and 7092 transitions. [2021-11-12 23:47:30,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:47:30,382 INFO L276 IsEmpty]: Start isEmpty. Operand 4981 states and 7092 transitions. [2021-11-12 23:47:30,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-12 23:47:30,402 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:30,403 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:47:30,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-12 23:47:30,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:30,604 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:47:30,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:30,605 INFO L85 PathProgramCache]: Analyzing trace with hash 2586623, now seen corresponding path program 1 times [2021-11-12 23:47:30,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:30,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1353501650] [2021-11-12 23:47:30,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:30,609 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:30,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:30,614 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:30,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:47:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:33,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 1766 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:47:33,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:33,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2021-11-12 23:47:33,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:34,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2021-11-12 23:47:34,128 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:34,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1353501650] [2021-11-12 23:47:34,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1353501650] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:34,129 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:34,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:47:34,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719407343] [2021-11-12 23:47:34,130 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:34,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:47:34,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:34,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:47:34,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:47:34,133 INFO L87 Difference]: Start difference. First operand 4981 states and 7092 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:47:35,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:35,189 INFO L93 Difference]: Finished difference Result 14554 states and 20649 transitions. [2021-11-12 23:47:35,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:47:35,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 213 [2021-11-12 23:47:35,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:35,308 INFO L225 Difference]: With dead ends: 14554 [2021-11-12 23:47:35,309 INFO L226 Difference]: Without dead ends: 9632 [2021-11-12 23:47:35,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:47:35,347 INFO L933 BasicCegarLoop]: 4872 mSDtfsCounter, 3647 mSDsluCounter, 3748 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 286.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3647 SdHoareTripleChecker+Valid, 8620 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.36ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 347.22ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:35,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3647 Valid, 8620 Invalid, 56 Unknown, 0 Unchecked, 33.36ms Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 347.22ms Time] [2021-11-12 23:47:35,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9632 states. [2021-11-12 23:47:35,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9632 to 9627. [2021-11-12 23:47:35,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9627 states, 6657 states have (on average 1.3406940063091484) internal successors, (8925), 6996 states have internal predecessors, (8925), 2357 states have call successors, (2357), 613 states have call predecessors, (2357), 612 states have return successors, (2356), 2301 states have call predecessors, (2356), 2356 states have call successors, (2356) [2021-11-12 23:47:36,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9627 states to 9627 states and 13638 transitions. [2021-11-12 23:47:36,005 INFO L78 Accepts]: Start accepts. Automaton has 9627 states and 13638 transitions. Word has length 213 [2021-11-12 23:47:36,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:36,007 INFO L470 AbstractCegarLoop]: Abstraction has 9627 states and 13638 transitions. [2021-11-12 23:47:36,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:47:36,008 INFO L276 IsEmpty]: Start isEmpty. Operand 9627 states and 13638 transitions. [2021-11-12 23:47:36,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-12 23:47:36,015 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:36,016 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:47:36,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:36,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:36,232 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:47:36,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:36,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1347570925, now seen corresponding path program 1 times [2021-11-12 23:47:36,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:36,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [774184991] [2021-11-12 23:47:36,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:36,237 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:36,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:36,238 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:36,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:47:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:38,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 1780 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:47:38,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:39,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2021-11-12 23:47:39,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:39,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2021-11-12 23:47:39,637 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:39,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [774184991] [2021-11-12 23:47:39,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [774184991] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:39,637 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:39,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:47:39,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252200642] [2021-11-12 23:47:39,638 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:39,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:47:39,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:39,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:47:39,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:47:39,640 INFO L87 Difference]: Start difference. First operand 9627 states and 13638 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:47:40,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:40,775 INFO L93 Difference]: Finished difference Result 26193 states and 36968 transitions. [2021-11-12 23:47:40,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:47:40,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 220 [2021-11-12 23:47:40,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:40,949 INFO L225 Difference]: With dead ends: 26193 [2021-11-12 23:47:40,949 INFO L226 Difference]: Without dead ends: 16625 [2021-11-12 23:47:41,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:47:41,013 INFO L933 BasicCegarLoop]: 6635 mSDtfsCounter, 3670 mSDsluCounter, 3748 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 286.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3670 SdHoareTripleChecker+Valid, 10383 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.16ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 343.06ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:41,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3670 Valid, 10383 Invalid, 56 Unknown, 0 Unchecked, 33.16ms Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 343.06ms Time] [2021-11-12 23:47:41,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16625 states. [2021-11-12 23:47:41,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16625 to 16622. [2021-11-12 23:47:41,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16622 states, 11543 states have (on average 1.3377804730139478) internal successors, (15442), 12127 states have internal predecessors, (15442), 3985 states have call successors, (3985), 1094 states have call predecessors, (3985), 1093 states have return successors, (3984), 3889 states have call predecessors, (3984), 3984 states have call successors, (3984) [2021-11-12 23:47:41,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16622 states to 16622 states and 23411 transitions. [2021-11-12 23:47:41,977 INFO L78 Accepts]: Start accepts. Automaton has 16622 states and 23411 transitions. Word has length 220 [2021-11-12 23:47:41,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:41,979 INFO L470 AbstractCegarLoop]: Abstraction has 16622 states and 23411 transitions. [2021-11-12 23:47:41,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:47:41,980 INFO L276 IsEmpty]: Start isEmpty. Operand 16622 states and 23411 transitions. [2021-11-12 23:47:42,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-11-12 23:47:42,012 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:42,013 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 50, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:47:42,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:42,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:42,236 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:47:42,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:42,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1196821462, now seen corresponding path program 1 times [2021-11-12 23:47:42,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:42,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1213875569] [2021-11-12 23:47:42,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:42,242 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:42,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:42,244 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:42,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:47:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:44,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 2230 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:47:44,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:45,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4908 backedges. 2468 proven. 0 refuted. 0 times theorem prover too weak. 2440 trivial. 0 not checked. [2021-11-12 23:47:45,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4908 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4904 trivial. 0 not checked. [2021-11-12 23:47:46,893 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:46,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1213875569] [2021-11-12 23:47:46,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1213875569] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:46,894 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:46,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-12 23:47:46,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427114449] [2021-11-12 23:47:46,894 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:46,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:47:46,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:46,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:47:46,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:47:46,896 INFO L87 Difference]: Start difference. First operand 16622 states and 23411 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2021-11-12 23:47:49,130 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:47:50,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:50,039 INFO L93 Difference]: Finished difference Result 33209 states and 46764 transitions. [2021-11-12 23:47:50,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:47:50,040 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) Word has length 370 [2021-11-12 23:47:50,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:50,156 INFO L225 Difference]: With dead ends: 33209 [2021-11-12 23:47:50,157 INFO L226 Difference]: Without dead ends: 16615 [2021-11-12 23:47:50,239 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 740 GetRequests, 735 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:47:50,242 INFO L933 BasicCegarLoop]: 3886 mSDtfsCounter, 6 mSDsluCounter, 11653 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2264.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 15539 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.77ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2316.35ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:50,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 15539 Invalid, 18 Unknown, 0 Unchecked, 33.77ms Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 2316.35ms Time] [2021-11-12 23:47:50,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16615 states. [2021-11-12 23:47:51,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16615 to 16587. [2021-11-12 23:47:51,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16587 states, 11508 states have (on average 1.3374174487313173) internal successors, (15391), 12092 states have internal predecessors, (15391), 3985 states have call successors, (3985), 1094 states have call predecessors, (3985), 1093 states have return successors, (3984), 3889 states have call predecessors, (3984), 3984 states have call successors, (3984) [2021-11-12 23:47:51,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16587 states to 16587 states and 23360 transitions. [2021-11-12 23:47:51,200 INFO L78 Accepts]: Start accepts. Automaton has 16587 states and 23360 transitions. Word has length 370 [2021-11-12 23:47:51,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:51,201 INFO L470 AbstractCegarLoop]: Abstraction has 16587 states and 23360 transitions. [2021-11-12 23:47:51,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2021-11-12 23:47:51,201 INFO L276 IsEmpty]: Start isEmpty. Operand 16587 states and 23360 transitions. [2021-11-12 23:47:51,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-11-12 23:47:51,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:51,359 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 50, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:47:51,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:51,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:51,560 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:47:51,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:51,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1732094790, now seen corresponding path program 1 times [2021-11-12 23:47:51,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:51,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [45735528] [2021-11-12 23:47:51,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:51,565 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:51,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:51,567 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:51,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:47:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:54,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 2239 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:47:54,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:56,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4908 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4908 trivial. 0 not checked. [2021-11-12 23:47:56,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:57,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4908 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4908 trivial. 0 not checked. [2021-11-12 23:47:57,751 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:57,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [45735528] [2021-11-12 23:47:57,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [45735528] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:57,751 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:57,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2021-11-12 23:47:57,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900956492] [2021-11-12 23:47:57,752 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:57,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:47:57,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:57,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:47:57,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:47:57,754 INFO L87 Difference]: Start difference. First operand 16587 states and 23360 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (110), 3 states have call predecessors, (110), 2 states have return successors, (106), 1 states have call predecessors, (106), 1 states have call successors, (106) [2021-11-12 23:47:58,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:58,459 INFO L93 Difference]: Finished difference Result 27677 states and 38870 transitions. [2021-11-12 23:47:58,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:47:58,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (110), 3 states have call predecessors, (110), 2 states have return successors, (106), 1 states have call predecessors, (106), 1 states have call successors, (106) Word has length 372 [2021-11-12 23:47:58,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:58,682 INFO L225 Difference]: With dead ends: 27677 [2021-11-12 23:47:58,682 INFO L226 Difference]: Without dead ends: 27674 [2021-11-12 23:47:58,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 742 GetRequests, 741 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:47:58,707 INFO L933 BasicCegarLoop]: 4634 mSDtfsCounter, 2952 mSDsluCounter, 3269 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2952 SdHoareTripleChecker+Valid, 7903 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.85ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.96ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:58,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2952 Valid, 7903 Invalid, 6 Unknown, 0 Unchecked, 21.85ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 11.96ms Time] [2021-11-12 23:47:58,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27674 states. [2021-11-12 23:48:00,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27674 to 27192. [2021-11-12 23:48:00,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27192 states, 19243 states have (on average 1.3444369381073638) internal successors, (25871), 20094 states have internal predecessors, (25871), 5996 states have call successors, (5996), 1964 states have call predecessors, (5996), 1952 states have return successors, (6192), 5814 states have call predecessors, (6192), 5995 states have call successors, (6192) [2021-11-12 23:48:00,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27192 states to 27192 states and 38059 transitions. [2021-11-12 23:48:00,208 INFO L78 Accepts]: Start accepts. Automaton has 27192 states and 38059 transitions. Word has length 372 [2021-11-12 23:48:00,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:48:00,214 INFO L470 AbstractCegarLoop]: Abstraction has 27192 states and 38059 transitions. [2021-11-12 23:48:00,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (110), 3 states have call predecessors, (110), 2 states have return successors, (106), 1 states have call predecessors, (106), 1 states have call successors, (106) [2021-11-12 23:48:00,215 INFO L276 IsEmpty]: Start isEmpty. Operand 27192 states and 38059 transitions. [2021-11-12 23:48:00,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2021-11-12 23:48:00,309 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:48:00,310 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 50, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:48:00,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:48:00,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:48:00,524 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:48:00,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:48:00,525 INFO L85 PathProgramCache]: Analyzing trace with hash -810105328, now seen corresponding path program 1 times [2021-11-12 23:48:00,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:48:00,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [6416858] [2021-11-12 23:48:00,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:48:00,529 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:48:00,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:48:00,531 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:48:00,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:48:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:48:03,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 2299 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:48:03,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:48:03,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4911 trivial. 0 not checked. [2021-11-12 23:48:03,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:48:04,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4911 trivial. 0 not checked. [2021-11-12 23:48:04,727 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:48:04,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [6416858] [2021-11-12 23:48:04,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [6416858] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:48:04,728 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:48:04,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-12 23:48:04,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100586118] [2021-11-12 23:48:04,728 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:48:04,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:48:04,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:48:04,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:48:04,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:48:04,731 INFO L87 Difference]: Start difference. First operand 27192 states and 38059 transitions. Second operand has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-12 23:48:06,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:48:21,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:48:21,490 INFO L93 Difference]: Finished difference Result 108580 states and 151947 transitions. [2021-11-12 23:48:21,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:48:21,491 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 397 [2021-11-12 23:48:21,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:48:22,188 INFO L225 Difference]: With dead ends: 108580 [2021-11-12 23:48:22,188 INFO L226 Difference]: Without dead ends: 81456 [2021-11-12 23:48:22,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 795 GetRequests, 789 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:48:22,321 INFO L933 BasicCegarLoop]: 8075 mSDtfsCounter, 10653 mSDsluCounter, 22493 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 1667 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11471.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10653 SdHoareTripleChecker+Valid, 30568 SdHoareTripleChecker+Invalid, 3197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 120.61ms SdHoareTripleChecker+Time, 1667 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13287.04ms IncrementalHoareTripleChecker+Time [2021-11-12 23:48:22,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10653 Valid, 30568 Invalid, 3197 Unknown, 0 Unchecked, 120.61ms Time], IncrementalHoareTripleChecker [1667 Valid, 1529 Invalid, 1 Unknown, 0 Unchecked, 13287.04ms Time] [2021-11-12 23:48:22,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81456 states. [2021-11-12 23:48:26,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81456 to 54305. [2021-11-12 23:48:26,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54305 states, 38441 states have (on average 1.34439790848313) internal successors, (51680), 40151 states have internal predecessors, (51680), 11960 states have call successors, (11960), 3926 states have call predecessors, (11960), 3903 states have return successors, (12353), 11589 states have call predecessors, (12353), 11959 states have call successors, (12353) [2021-11-12 23:48:26,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54305 states to 54305 states and 75993 transitions. [2021-11-12 23:48:26,945 INFO L78 Accepts]: Start accepts. Automaton has 54305 states and 75993 transitions. Word has length 397 [2021-11-12 23:48:26,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:48:26,947 INFO L470 AbstractCegarLoop]: Abstraction has 54305 states and 75993 transitions. [2021-11-12 23:48:26,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-12 23:48:26,948 INFO L276 IsEmpty]: Start isEmpty. Operand 54305 states and 75993 transitions. [2021-11-12 23:48:27,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2021-11-12 23:48:27,064 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:48:27,064 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 50, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:48:27,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:48:27,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:48:27,293 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:48:27,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:48:27,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1707498606, now seen corresponding path program 1 times [2021-11-12 23:48:27,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:48:27,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [77919387] [2021-11-12 23:48:27,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:48:27,297 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:48:27,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:48:27,299 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:48:27,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:48:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:48:30,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 2297 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-12 23:48:30,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:48:35,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2021-11-12 23:48:35,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 301 proven. 6 refuted. 0 times theorem prover too weak. 4608 trivial. 0 not checked. [2021-11-12 23:48:35,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:48:37,799 INFO L354 Elim1Store]: treesize reduction 482, result has 12.8 percent of original size [2021-11-12 23:48:37,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 82 treesize of output 96 [2021-11-12 23:49:04,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 96 proven. 13 refuted. 0 times theorem prover too weak. 4806 trivial. 0 not checked. [2021-11-12 23:49:04,724 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:49:04,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [77919387] [2021-11-12 23:49:04,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [77919387] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:49:04,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1142355528] [2021-11-12 23:49:04,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:04,725 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:49:04,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:49:04,728 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:49:04,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-12 23:49:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:12,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 2297 conjuncts, 126 conjunts are in the unsatisfiable core [2021-11-12 23:49:12,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:49:18,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2021-11-12 23:49:18,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 301 proven. 6 refuted. 0 times theorem prover too weak. 4608 trivial. 0 not checked. [2021-11-12 23:49:18,546 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:49:50,059 INFO L354 Elim1Store]: treesize reduction 456, result has 13.5 percent of original size [2021-11-12 23:49:50,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 44 case distinctions, treesize of input 80 treesize of output 96 [2021-11-12 23:49:50,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 198 proven. 295 refuted. 0 times theorem prover too weak. 4422 trivial. 0 not checked. [2021-11-12 23:49:50,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1142355528] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:49:50,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888825115] [2021-11-12 23:49:50,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:49:50,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:49:50,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:49:50,390 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:49:50,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c1af3d8-d895-487a-9258-a67b086c7777/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-12 23:49:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:49:51,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 2297 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-12 23:49:51,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:49:56,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2021-11-12 23:49:56,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 301 proven. 6 refuted. 0 times theorem prover too weak. 4608 trivial. 0 not checked. [2021-11-12 23:49:56,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:49:57,853 INFO L354 Elim1Store]: treesize reduction 482, result has 12.8 percent of original size [2021-11-12 23:49:57,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 82 treesize of output 96 [2021-11-12 23:50:21,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 96 proven. 13 refuted. 0 times theorem prover too weak. 4806 trivial. 0 not checked. [2021-11-12 23:50:21,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888825115] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:50:21,352 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-12 23:50:21,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 15, 15, 13, 12] total 34 [2021-11-12 23:50:21,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923081429] [2021-11-12 23:50:21,353 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-12 23:50:21,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-12 23:50:21,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:50:21,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-12 23:50:21,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=973, Unknown=4, NotChecked=0, Total=1122 [2021-11-12 23:50:21,357 INFO L87 Difference]: Start difference. First operand 54305 states and 75993 transitions. Second operand has 34 states, 34 states have (on average 10.911764705882353) internal successors, (371), 29 states have internal predecessors, (371), 16 states have call successors, (215), 12 states have call predecessors, (215), 14 states have return successors, (211), 17 states have call predecessors, (211), 14 states have call successors, (211) [2021-11-12 23:50:23,589 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:50:25,595 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:50:27,603 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:50:29,608 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:50:31,619 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:50:33,625 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:50:35,632 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:50:37,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:50:39,647 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:50:41,654 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:50:43,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:51:03,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:53:07,491 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:53:17,078 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:53:21,634 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:53:22,848 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:53:31,926 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:54:00,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:54:02,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:54:04,888 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:54:06,238 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:54:08,259 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:54:10,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:54:12,284 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:54:14,082 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:54:36,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:55:03,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:55:04,632 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:55:05,641 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:56:07,123 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:56:38,878 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:56:40,791 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:56:42,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:56:43,844 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:56:45,958 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:56:48,273 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:56:49,500 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:56:55,003 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:56:58,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:00,832 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:02,843 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:06,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:08,290 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:11,162 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:13,072 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:14,571 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:16,588 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:18,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:20,551 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:22,157 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:24,129 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:25,224 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:26,990 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:28,640 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:31,663 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:33,681 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:35,278 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:36,811 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:38,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:46,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:48,087 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:49,896 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:51,918 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:54,735 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:56,752 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:57:58,765 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:58:00,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:58:05,220 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:58:36,157 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:59:05,780 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:59:07,145 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:59:08,789 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:59:10,811 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:59:12,429 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:59:14,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:59:15,970 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:59:17,991 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:59:23,938 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:59:28,253 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []