./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs --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 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:40:15,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:40:15,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:40:15,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:40:15,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:40:15,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:40:15,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:40:15,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:40:15,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:40:15,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:40:15,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:40:15,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:40:15,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:40:15,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:40:15,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:40:15,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:40:15,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:40:15,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:40:15,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:40:15,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:40:15,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:40:15,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:40:15,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:40:15,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:40:15,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:40:15,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:40:15,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:40:15,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:40:15,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:40:15,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:40:15,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:40:15,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:40:15,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:40:15,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:40:15,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:40:15,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:40:15,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:40:15,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:40:15,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:40:15,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:40:15,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:40:15,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:40:16,031 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:40:16,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:40:16,032 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:40:16,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:40:16,033 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:40:16,033 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:40:16,034 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:40:16,034 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:40:16,034 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:40:16,034 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:40:16,035 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:40:16,036 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:40:16,036 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:40:16,036 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:40:16,037 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:40:16,037 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:40:16,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:40:16,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:40:16,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:40:16,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:40:16,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:40:16,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:40:16,039 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:40:16,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:40:16,039 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:40:16,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:40:16,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:40:16,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:40:16,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:40:16,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:40:16,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:40:16,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:40:16,044 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:40:16,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:40:16,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:40:16,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:40:16,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:40:16,045 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_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f [2021-11-19 13:40:16,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:40:16,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:40:16,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:40:16,347 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:40:16,354 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:40:16,356 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-11-19 13:40:16,436 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/data/9919d0663/fe1a96445d894a7587b91b87aa7ccee4/FLAGede592d35 [2021-11-19 13:40:17,499 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:40:17,499 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-11-19 13:40:17,566 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/data/9919d0663/fe1a96445d894a7587b91b87aa7ccee4/FLAGede592d35 [2021-11-19 13:40:17,785 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/data/9919d0663/fe1a96445d894a7587b91b87aa7ccee4 [2021-11-19 13:40:17,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:40:17,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:40:17,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:40:17,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:40:17,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:40:17,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:40:17" (1/1) ... [2021-11-19 13:40:17,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ea2f1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:17, skipping insertion in model container [2021-11-19 13:40:17,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:40:17" (1/1) ... [2021-11-19 13:40:17,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:40:18,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:40:19,833 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:19,839 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:19,868 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:19,874 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:19,874 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:19,875 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:19,881 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:19,882 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:19,882 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:19,883 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,365 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,378 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,390 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,401 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,411 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,423 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,423 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,433 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,450 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,458 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,461 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,464 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,468 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,471 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,473 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,476 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,507 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,511 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,537 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,569 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,596 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,614 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,616 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,652 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,656 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,660 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,694 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,765 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,797 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,799 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,804 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,806 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,817 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,829 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,831 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,836 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,838 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,840 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,844 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,847 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,851 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,853 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,857 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,859 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,860 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,862 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,865 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,869 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,872 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,872 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,873 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,874 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,877 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,880 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,890 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,895 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,904 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,906 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,916 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,920 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,925 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,926 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,930 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,934 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,938 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,941 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,947 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,954 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,961 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,967 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,975 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,982 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,990 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:20,997 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,000 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,001 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,006 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,008 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,010 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,013 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,021 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,026 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,032 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,040 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,132 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,136 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,144 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,144 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,145 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,151 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,151 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,152 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,152 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,152 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,153 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:21,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2021-11-19 13:40:21,249 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:40:21,283 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) [2021-11-19 13:40:21,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@dd1bb15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:21, skipping insertion in model container [2021-11-19 13:40:21,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:40:21,284 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:40:21,286 INFO L158 Benchmark]: Toolchain (without parser) took 3495.16ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 77.6MB in the beginning and 102.1MB in the end (delta: -24.5MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2021-11-19 13:40:21,286 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:40:21,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3492.58ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 77.6MB in the beginning and 102.1MB in the end (delta: -24.5MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2021-11-19 13:40:21,289 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3492.58ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 77.6MB in the beginning and 102.1MB in the end (delta: -24.5MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6265]: 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_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs --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 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:40:23,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:40:23,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:40:23,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:40:23,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:40:23,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:40:23,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:40:23,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:40:23,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:40:23,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:40:23,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:40:23,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:40:23,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:40:23,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:40:23,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:40:23,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:40:23,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:40:23,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:40:23,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:40:23,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:40:23,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:40:23,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:40:23,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:40:23,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:40:23,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:40:23,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:40:23,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:40:23,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:40:23,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:40:23,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:40:23,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:40:23,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:40:23,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:40:23,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:40:23,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:40:23,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:40:23,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:40:23,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:40:23,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:40:23,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:40:23,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:40:23,650 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:40:23,674 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:40:23,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:40:23,676 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:40:23,676 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:40:23,676 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:40:23,676 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:40:23,677 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:40:23,677 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:40:23,677 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:40:23,677 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:40:23,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:40:23,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:40:23,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:40:23,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:40:23,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:40:23,679 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:40:23,679 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:40:23,680 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:40:23,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:40:23,680 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:40:23,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:40:23,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:40:23,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:40:23,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:40:23,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:40:23,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:40:23,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:40:23,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:40:23,682 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:40:23,682 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:40:23,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:40:23,683 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:40:23,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:40:23,683 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_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f [2021-11-19 13:40:24,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:40:24,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:40:24,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:40:24,145 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:40:24,146 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:40:24,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-11-19 13:40:24,217 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/data/22cd7cbf2/9260944b2cce4f23bc3f3ea1c928a701/FLAG7a3d3cc3b [2021-11-19 13:40:25,227 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:40:25,228 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-11-19 13:40:25,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/data/22cd7cbf2/9260944b2cce4f23bc3f3ea1c928a701/FLAG7a3d3cc3b [2021-11-19 13:40:25,580 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/data/22cd7cbf2/9260944b2cce4f23bc3f3ea1c928a701 [2021-11-19 13:40:25,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:40:25,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:40:25,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:40:25,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:40:25,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:40:25,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:40:25" (1/1) ... [2021-11-19 13:40:25,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c47652d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:25, skipping insertion in model container [2021-11-19 13:40:25,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:40:25" (1/1) ... [2021-11-19 13:40:25,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:40:25,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:40:29,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2021-11-19 13:40:29,264 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:40:29,328 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:40:29,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:40:30,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2021-11-19 13:40:30,135 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:40:30,171 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:40:30,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2021-11-19 13:40:30,776 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:40:30,975 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:40:30,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:30 WrapperNode [2021-11-19 13:40:30,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:40:30,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:40:30,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:40:30,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:40:30,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:30" (1/1) ... [2021-11-19 13:40:31,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:30" (1/1) ... [2021-11-19 13:40:31,407 INFO L137 Inliner]: procedures = 347, calls = 3594, calls flagged for inlining = 139, calls inlined = 136, statements flattened = 6460 [2021-11-19 13:40:31,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:40:31,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:40:31,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:40:31,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:40:31,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:30" (1/1) ... [2021-11-19 13:40:31,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:30" (1/1) ... [2021-11-19 13:40:31,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:30" (1/1) ... [2021-11-19 13:40:31,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:30" (1/1) ... [2021-11-19 13:40:31,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:30" (1/1) ... [2021-11-19 13:40:31,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:30" (1/1) ... [2021-11-19 13:40:31,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:30" (1/1) ... [2021-11-19 13:40:31,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:40:31,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:40:31,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:40:31,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:40:31,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:30" (1/1) ... [2021-11-19 13:40:31,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:40:31,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:40:31,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:40:32,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:40:32,026 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2021-11-19 13:40:32,026 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2021-11-19 13:40:32,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:40:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-19 13:40:32,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-19 13:40:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:40:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-11-19 13:40:32,027 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-11-19 13:40:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:40:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 13:40:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:40:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:40:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:40:32,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:40:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_interrupt [2021-11-19 13:40:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_interrupt [2021-11-19 13:40:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 13:40:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 13:40:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2021-11-19 13:40:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2021-11-19 13:40:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-19 13:40:32,030 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-19 13:40:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 13:40:32,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 13:40:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2021-11-19 13:40:32,030 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2021-11-19 13:40:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-19 13:40:32,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-19 13:40:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2021-11-19 13:40:32,031 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2021-11-19 13:40:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:40:32,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:40:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-11-19 13:40:32,032 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-11-19 13:40:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2021-11-19 13:40:32,032 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2021-11-19 13:40:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-19 13:40:32,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-19 13:40:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-11-19 13:40:32,033 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-11-19 13:40:32,033 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2021-11-19 13:40:32,033 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2021-11-19 13:40:32,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-19 13:40:32,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-19 13:40:32,033 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2021-11-19 13:40:32,034 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2021-11-19 13:40:32,034 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-11-19 13:40:32,034 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-11-19 13:40:32,034 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2021-11-19 13:40:32,034 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2021-11-19 13:40:32,034 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 13:40:32,035 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 13:40:32,035 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2021-11-19 13:40:32,035 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2021-11-19 13:40:32,035 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2021-11-19 13:40:32,035 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2021-11-19 13:40:32,035 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-11-19 13:40:32,036 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-11-19 13:40:32,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 13:40:32,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 13:40:32,036 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2021-11-19 13:40:32,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2021-11-19 13:40:32,036 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-11-19 13:40:32,037 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-11-19 13:40:32,037 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 13:40:32,037 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 13:40:32,037 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 13:40:32,037 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 13:40:32,037 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-11-19 13:40:32,038 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-11-19 13:40:32,038 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-19 13:40:32,038 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-19 13:40:32,038 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 13:40:32,038 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 13:40:32,038 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2021-11-19 13:40:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2021-11-19 13:40:32,039 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-11-19 13:40:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-11-19 13:40:32,039 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2021-11-19 13:40:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2021-11-19 13:40:32,039 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-11-19 13:40:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-11-19 13:40:32,040 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2021-11-19 13:40:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2021-11-19 13:40:32,040 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-19 13:40:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-19 13:40:32,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:40:32,041 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2021-11-19 13:40:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2021-11-19 13:40:32,041 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-19 13:40:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-19 13:40:32,041 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-19 13:40:32,041 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-11-19 13:40:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-11-19 13:40:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-11-19 13:40:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-11-19 13:40:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2021-11-19 13:40:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2021-11-19 13:40:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2021-11-19 13:40:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2021-11-19 13:40:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-19 13:40:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-19 13:40:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-11-19 13:40:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-11-19 13:40:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:40:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-11-19 13:40:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-11-19 13:40:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-11-19 13:40:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-11-19 13:40:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 13:40:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 13:40:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-19 13:40:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-19 13:40:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 13:40:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 13:40:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-11-19 13:40:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-11-19 13:40:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-19 13:40:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2021-11-19 13:40:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2021-11-19 13:40:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:40:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:40:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:40:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:40:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:40:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-19 13:40:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-19 13:40:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:40:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2021-11-19 13:40:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2021-11-19 13:40:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:40:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-19 13:40:32,048 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-19 13:40:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:40:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-11-19 13:40:32,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-11-19 13:40:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2021-11-19 13:40:32,049 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2021-11-19 13:40:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:40:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-19 13:40:32,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-19 13:40:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-11-19 13:40:32,049 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-11-19 13:40:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-19 13:40:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-19 13:40:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 13:40:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 13:40:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-19 13:40:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-19 13:40:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2021-11-19 13:40:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2021-11-19 13:40:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-11-19 13:40:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-11-19 13:40:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 13:40:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 13:40:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-19 13:40:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-19 13:40:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 13:40:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 13:40:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-11-19 13:40:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-11-19 13:40:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2021-11-19 13:40:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2021-11-19 13:40:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2021-11-19 13:40:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2021-11-19 13:40:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2021-11-19 13:40:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2021-11-19 13:40:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2021-11-19 13:40:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2021-11-19 13:40:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 13:40:32,054 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 13:40:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 13:40:32,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 13:40:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2021-11-19 13:40:32,054 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2021-11-19 13:40:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2021-11-19 13:40:32,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2021-11-19 13:40:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-11-19 13:40:32,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-11-19 13:40:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-19 13:40:32,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-19 13:40:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 13:40:32,055 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 13:40:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 13:40:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 13:40:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-11-19 13:40:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-11-19 13:40:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 13:40:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 13:40:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-11-19 13:40:32,057 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-11-19 13:40:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:40:32,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:40:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2021-11-19 13:40:32,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2021-11-19 13:40:32,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 13:40:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 13:40:32,058 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-19 13:40:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-19 13:40:32,058 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-11-19 13:40:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-11-19 13:40:32,058 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2021-11-19 13:40:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2021-11-19 13:40:32,059 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 13:40:32,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 13:40:32,059 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-19 13:40:32,059 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-19 13:40:32,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:40:32,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 13:40:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:40:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 13:40:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:40:32,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:40:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2021-11-19 13:40:32,060 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2021-11-19 13:40:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-19 13:40:32,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-19 13:40:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2021-11-19 13:40:32,061 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2021-11-19 13:40:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-19 13:40:32,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-19 13:40:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2021-11-19 13:40:32,061 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2021-11-19 13:40:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:40:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 13:40:32,062 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 13:40:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2021-11-19 13:40:32,062 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2021-11-19 13:40:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-19 13:40:32,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-19 13:40:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2021-11-19 13:40:32,063 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2021-11-19 13:40:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-19 13:40:32,063 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-19 13:40:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:40:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2021-11-19 13:40:32,064 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2021-11-19 13:40:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2021-11-19 13:40:32,064 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2021-11-19 13:40:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 13:40:32,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 13:40:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:40:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 13:40:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 13:40:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-19 13:40:32,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-19 13:40:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 13:40:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2021-11-19 13:40:32,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2021-11-19 13:40:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-11-19 13:40:32,066 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-11-19 13:40:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-11-19 13:40:32,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-11-19 13:40:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2021-11-19 13:40:32,066 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2021-11-19 13:40:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-11-19 13:40:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-11-19 13:40:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2021-11-19 13:40:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2021-11-19 13:40:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-11-19 13:40:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-11-19 13:40:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2021-11-19 13:40:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2021-11-19 13:40:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2021-11-19 13:40:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2021-11-19 13:40:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2021-11-19 13:40:32,068 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2021-11-19 13:40:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2021-11-19 13:40:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2021-11-19 13:40:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2021-11-19 13:40:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2021-11-19 13:40:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2021-11-19 13:40:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2021-11-19 13:40:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-11-19 13:40:32,069 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-11-19 13:40:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2021-11-19 13:40:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2021-11-19 13:40:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2021-11-19 13:40:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2021-11-19 13:40:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-11-19 13:40:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-11-19 13:40:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-19 13:40:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-19 13:40:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-19 13:40:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-19 13:40:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2021-11-19 13:40:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2021-11-19 13:40:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-11-19 13:40:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-11-19 13:40:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2021-11-19 13:40:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2021-11-19 13:40:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2021-11-19 13:40:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2021-11-19 13:40:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2021-11-19 13:40:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2021-11-19 13:40:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 13:40:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2021-11-19 13:40:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2021-11-19 13:40:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2021-11-19 13:40:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2021-11-19 13:40:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-19 13:40:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:40:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:40:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2021-11-19 13:40:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2021-11-19 13:40:33,201 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:40:33,206 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:40:36,516 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 13:42:00,348 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:42:00,384 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:42:00,384 INFO L301 CfgBuilder]: Removed 17 assume(true) statements. [2021-11-19 13:42:00,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:42:00 BoogieIcfgContainer [2021-11-19 13:42:00,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:42:00,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:42:00,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:42:00,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:42:00,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:40:25" (1/3) ... [2021-11-19 13:42:00,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c9a288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:42:00, skipping insertion in model container [2021-11-19 13:42:00,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:30" (2/3) ... [2021-11-19 13:42:00,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c9a288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:42:00, skipping insertion in model container [2021-11-19 13:42:00,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:42:00" (3/3) ... [2021-11-19 13:42:00,399 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2021-11-19 13:42:00,405 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:42:00,405 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 13:42:00,478 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:42:00,485 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 [2021-11-19 13:42:00,485 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 13:42:00,584 INFO L276 IsEmpty]: Start isEmpty. Operand has 3444 states, 2469 states have (on average 1.385176184690158) internal successors, (3420), 2531 states have internal predecessors, (3420), 854 states have call successors, (854), 136 states have call predecessors, (854), 135 states have return successors, (846), 835 states have call predecessors, (846), 846 states have call successors, (846) [2021-11-19 13:42:00,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-19 13:42:00,606 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:42:00,607 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:42:00,608 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:42:00,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:42:00,614 INFO L85 PathProgramCache]: Analyzing trace with hash -458125380, now seen corresponding path program 1 times [2021-11-19 13:42:00,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:42:00,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [658801326] [2021-11-19 13:42:00,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:00,639 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:42:00,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:42:00,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:42:00,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:42:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:02,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 1613 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 13:42:02,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:03,753 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-19 13:42:03,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:04,505 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-19 13:42:04,506 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:42:04,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [658801326] [2021-11-19 13:42:04,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [658801326] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:42:04,507 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:42:04,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-19 13:42:04,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132020327] [2021-11-19 13:42:04,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:42:04,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 13:42:04,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:42:04,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 13:42:04,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 13:42:04,557 INFO L87 Difference]: Start difference. First operand has 3444 states, 2469 states have (on average 1.385176184690158) internal successors, (3420), 2531 states have internal predecessors, (3420), 854 states have call successors, (854), 136 states have call predecessors, (854), 135 states have return successors, (846), 835 states have call predecessors, (846), 846 states have call successors, (846) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-19 13:42:04,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:42:04,985 INFO L93 Difference]: Finished difference Result 6835 states and 10305 transitions. [2021-11-19 13:42:04,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 13:42:04,987 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2021-11-19 13:42:04,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:42:05,058 INFO L225 Difference]: With dead ends: 6835 [2021-11-19 13:42:05,059 INFO L226 Difference]: Without dead ends: 3375 [2021-11-19 13:42:05,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 13:42:05,124 INFO L933 BasicCegarLoop]: 5019 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5019 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:42:05,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 5019 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:42:05,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3375 states. [2021-11-19 13:42:05,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3375 to 3375. [2021-11-19 13:42:05,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3375 states, 2410 states have (on average 1.3817427385892116) internal successors, (3330), 2449 states have internal predecessors, (3330), 830 states have call successors, (830), 135 states have call predecessors, (830), 134 states have return successors, (829), 818 states have call predecessors, (829), 829 states have call successors, (829) [2021-11-19 13:42:05,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 3375 states and 4989 transitions. [2021-11-19 13:42:05,527 INFO L78 Accepts]: Start accepts. Automaton has 3375 states and 4989 transitions. Word has length 126 [2021-11-19 13:42:05,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:42:05,528 INFO L470 AbstractCegarLoop]: Abstraction has 3375 states and 4989 transitions. [2021-11-19 13:42:05,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-19 13:42:05,528 INFO L276 IsEmpty]: Start isEmpty. Operand 3375 states and 4989 transitions. [2021-11-19 13:42:05,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-19 13:42:05,545 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:42:05,546 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:42:05,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:42:05,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:42:05,762 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:42:05,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:42:05,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1684417084, now seen corresponding path program 1 times [2021-11-19 13:42:05,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:42:05,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016643692] [2021-11-19 13:42:05,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:05,766 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:42:05,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:42:05,773 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:42:05,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:42:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:07,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 1613 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 13:42:07,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:08,727 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2021-11-19 13:42:08,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:10,215 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-11-19 13:42:10,215 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:42:10,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016643692] [2021-11-19 13:42:10,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2016643692] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:42:10,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:42:10,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2021-11-19 13:42:10,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4614587] [2021-11-19 13:42:10,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:42:10,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:42:10,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:42:10,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:42:10,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:42:10,219 INFO L87 Difference]: Start difference. First operand 3375 states and 4989 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-11-19 13:42:11,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:42:11,128 INFO L93 Difference]: Finished difference Result 6744 states and 10080 transitions. [2021-11-19 13:42:11,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:42:11,130 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 126 [2021-11-19 13:42:11,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:42:11,185 INFO L225 Difference]: With dead ends: 6744 [2021-11-19 13:42:11,185 INFO L226 Difference]: Without dead ends: 3376 [2021-11-19 13:42:11,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:42:11,226 INFO L933 BasicCegarLoop]: 4984 mSDtfsCounter, 6 mSDsluCounter, 19922 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 24906 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:42:11,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 24906 Invalid, 39 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 13:42:11,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3376 states. [2021-11-19 13:42:11,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3376 to 3376. [2021-11-19 13:42:11,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3376 states, 2411 states have (on average 1.3815844048112815) internal successors, (3331), 2450 states have internal predecessors, (3331), 830 states have call successors, (830), 135 states have call predecessors, (830), 134 states have return successors, (829), 818 states have call predecessors, (829), 829 states have call successors, (829) [2021-11-19 13:42:11,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 3376 states and 4990 transitions. [2021-11-19 13:42:11,476 INFO L78 Accepts]: Start accepts. Automaton has 3376 states and 4990 transitions. Word has length 126 [2021-11-19 13:42:11,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:42:11,480 INFO L470 AbstractCegarLoop]: Abstraction has 3376 states and 4990 transitions. [2021-11-19 13:42:11,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-11-19 13:42:11,480 INFO L276 IsEmpty]: Start isEmpty. Operand 3376 states and 4990 transitions. [2021-11-19 13:42:11,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-19 13:42:11,490 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:42:11,491 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:42:11,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:42:11,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:42:11,716 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:42:11,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:42:11,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1082921314, now seen corresponding path program 1 times [2021-11-19 13:42:11,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:42:11,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1978659831] [2021-11-19 13:42:11,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:11,720 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:42:11,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:42:11,722 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:42:11,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:42:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:13,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 13:42:13,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-11-19 13:42:14,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:16,578 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-19 13:42:16,578 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:42:16,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1978659831] [2021-11-19 13:42:16,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1978659831] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:42:16,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [32311988] [2021-11-19 13:42:16,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:16,579 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:42:16,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:42:16,586 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:42:16,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-19 13:42:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:18,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:42:18,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:18,924 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-11-19 13:42:18,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:19,459 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-11-19 13:42:19,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [32311988] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:42:19,460 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 13:42:19,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7, 7] total 12 [2021-11-19 13:42:19,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491474004] [2021-11-19 13:42:19,461 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:42:19,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:42:19,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:42:19,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:42:19,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:42:19,463 INFO L87 Difference]: Start difference. First operand 3376 states and 4990 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-19 13:42:20,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:42:20,613 INFO L93 Difference]: Finished difference Result 9835 states and 14530 transitions. [2021-11-19 13:42:20,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:42:20,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 128 [2021-11-19 13:42:20,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:42:20,711 INFO L225 Difference]: With dead ends: 9835 [2021-11-19 13:42:20,711 INFO L226 Difference]: Without dead ends: 6479 [2021-11-19 13:42:20,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:42:20,754 INFO L933 BasicCegarLoop]: 6154 mSDtfsCounter, 4598 mSDsluCounter, 4881 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4598 SdHoareTripleChecker+Valid, 11035 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:42:20,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4598 Valid, 11035 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-19 13:42:20,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6479 states. [2021-11-19 13:42:21,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6479 to 6462. [2021-11-19 13:42:21,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6462 states, 4624 states have (on average 1.382136678200692) internal successors, (6391), 4701 states have internal predecessors, (6391), 1578 states have call successors, (1578), 260 states have call predecessors, (1578), 259 states have return successors, (1577), 1555 states have call predecessors, (1577), 1577 states have call successors, (1577) [2021-11-19 13:42:21,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6462 states to 6462 states and 9546 transitions. [2021-11-19 13:42:21,265 INFO L78 Accepts]: Start accepts. Automaton has 6462 states and 9546 transitions. Word has length 128 [2021-11-19 13:42:21,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:42:21,269 INFO L470 AbstractCegarLoop]: Abstraction has 6462 states and 9546 transitions. [2021-11-19 13:42:21,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-19 13:42:21,271 INFO L276 IsEmpty]: Start isEmpty. Operand 6462 states and 9546 transitions. [2021-11-19 13:42:21,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-19 13:42:21,276 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:42:21,276 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:42:21,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:42:21,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2021-11-19 13:42:21,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 13:42:21,697 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:42:21,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:42:21,698 INFO L85 PathProgramCache]: Analyzing trace with hash 497615552, now seen corresponding path program 1 times [2021-11-19 13:42:21,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:42:21,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783045506] [2021-11-19 13:42:21,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:21,700 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:42:21,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:42:21,702 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:42:21,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:42:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:23,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 1715 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 13:42:23,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:24,860 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-19 13:42:24,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:26,819 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-11-19 13:42:26,819 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:42:26,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783045506] [2021-11-19 13:42:26,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783045506] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:42:26,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [506860090] [2021-11-19 13:42:26,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:26,820 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:42:26,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:42:26,821 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:42:26,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-11-19 13:42:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:28,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 1715 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:42:28,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:30,623 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-19 13:42:30,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:31,506 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-19 13:42:31,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [506860090] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:42:31,506 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 13:42:31,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [7, 7] total 14 [2021-11-19 13:42:31,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79370450] [2021-11-19 13:42:31,507 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:42:31,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:42:31,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:42:31,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:42:31,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:42:31,509 INFO L87 Difference]: Start difference. First operand 6462 states and 9546 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (41), 4 states have call predecessors, (41), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-19 13:42:32,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:42:32,807 INFO L93 Difference]: Finished difference Result 19368 states and 28620 transitions. [2021-11-19 13:42:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 13:42:32,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (41), 4 states have call predecessors, (41), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 176 [2021-11-19 13:42:32,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:42:32,987 INFO L225 Difference]: With dead ends: 19368 [2021-11-19 13:42:32,988 INFO L226 Difference]: Without dead ends: 12926 [2021-11-19 13:42:33,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 703 GetRequests, 688 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-11-19 13:42:33,050 INFO L933 BasicCegarLoop]: 6172 mSDtfsCounter, 4950 mSDsluCounter, 17295 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4954 SdHoareTripleChecker+Valid, 23467 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:42:33,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4954 Valid, 23467 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:42:33,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12926 states. [2021-11-19 13:42:33,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12926 to 12903. [2021-11-19 13:42:33,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12903 states, 9235 states have (on average 1.3826746074715754) internal successors, (12769), 9397 states have internal predecessors, (12769), 3148 states have call successors, (3148), 520 states have call predecessors, (3148), 519 states have return successors, (3147), 3095 states have call predecessors, (3147), 3147 states have call successors, (3147) [2021-11-19 13:42:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12903 states to 12903 states and 19064 transitions. [2021-11-19 13:42:34,057 INFO L78 Accepts]: Start accepts. Automaton has 12903 states and 19064 transitions. Word has length 176 [2021-11-19 13:42:34,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:42:34,058 INFO L470 AbstractCegarLoop]: Abstraction has 12903 states and 19064 transitions. [2021-11-19 13:42:34,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (41), 4 states have call predecessors, (41), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-19 13:42:34,059 INFO L276 IsEmpty]: Start isEmpty. Operand 12903 states and 19064 transitions. [2021-11-19 13:42:34,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-19 13:42:34,065 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:42:34,065 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:42:34,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-11-19 13:42:34,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 13:42:34,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:42:34,480 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:42:34,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:42:34,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1463866559, now seen corresponding path program 1 times [2021-11-19 13:42:34,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:42:34,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420043051] [2021-11-19 13:42:34,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:34,484 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:42:34,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:42:34,486 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:42:34,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 13:42:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:37,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 1709 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 13:42:37,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:38,204 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-19 13:42:38,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:40,076 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-11-19 13:42:40,076 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:42:40,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1420043051] [2021-11-19 13:42:40,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1420043051] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:42:40,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1749497855] [2021-11-19 13:42:40,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:40,077 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:42:40,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:42:40,084 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:42:40,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-19 13:42:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:41,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 1709 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:42:41,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:43,643 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-19 13:42:43,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:44,540 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-19 13:42:44,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1749497855] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:42:44,540 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 13:42:44,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [7, 7] total 14 [2021-11-19 13:42:44,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597492195] [2021-11-19 13:42:44,541 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:42:44,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:42:44,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:42:44,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:42:44,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:42:44,544 INFO L87 Difference]: Start difference. First operand 12903 states and 19064 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (41), 4 states have call predecessors, (41), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-19 13:42:46,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:42:46,295 INFO L93 Difference]: Finished difference Result 38693 states and 58360 transitions. [2021-11-19 13:42:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 13:42:46,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (41), 4 states have call predecessors, (41), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 173 [2021-11-19 13:42:46,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:42:46,568 INFO L225 Difference]: With dead ends: 38693 [2021-11-19 13:42:46,568 INFO L226 Difference]: Without dead ends: 25810 [2021-11-19 13:42:46,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 691 GetRequests, 676 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-11-19 13:42:46,677 INFO L933 BasicCegarLoop]: 6207 mSDtfsCounter, 5016 mSDsluCounter, 17436 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5020 SdHoareTripleChecker+Valid, 23643 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:42:46,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5020 Valid, 23643 Invalid, 38 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 13:42:46,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25810 states. [2021-11-19 13:42:48,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25810 to 25767. [2021-11-19 13:42:48,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25767 states, 18441 states have (on average 1.3821918551054715) internal successors, (25489), 18777 states have internal predecessors, (25489), 6288 states have call successors, (6288), 1042 states have call predecessors, (6288), 1037 states have return successors, (6873), 6159 states have call predecessors, (6873), 6287 states have call successors, (6873) [2021-11-19 13:42:48,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25767 states to 25767 states and 38650 transitions. [2021-11-19 13:42:48,621 INFO L78 Accepts]: Start accepts. Automaton has 25767 states and 38650 transitions. Word has length 173 [2021-11-19 13:42:48,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:42:48,623 INFO L470 AbstractCegarLoop]: Abstraction has 25767 states and 38650 transitions. [2021-11-19 13:42:48,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (41), 4 states have call predecessors, (41), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-19 13:42:48,624 INFO L276 IsEmpty]: Start isEmpty. Operand 25767 states and 38650 transitions. [2021-11-19 13:42:48,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-19 13:42:48,634 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:42:48,635 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:42:48,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-11-19 13:42:48,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 13:42:49,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:42:49,057 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:42:49,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:42:49,057 INFO L85 PathProgramCache]: Analyzing trace with hash 712221160, now seen corresponding path program 1 times [2021-11-19 13:42:49,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:42:49,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037235958] [2021-11-19 13:42:49,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:49,063 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:42:49,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:42:49,064 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:42:49,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 13:42:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:51,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 1711 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 13:42:51,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:52,251 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-19 13:42:52,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-11-19 13:42:54,105 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:42:54,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2037235958] [2021-11-19 13:42:54,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2037235958] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:42:54,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1163891945] [2021-11-19 13:42:54,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:54,107 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:42:54,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:42:54,111 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:42:54,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-19 13:42:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:55,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 1711 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:42:55,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:57,997 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-19 13:42:57,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:59,042 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-19 13:42:59,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1163891945] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:42:59,043 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 13:42:59,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [7, 7] total 14 [2021-11-19 13:42:59,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237246196] [2021-11-19 13:42:59,043 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:42:59,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:42:59,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:42:59,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:42:59,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:42:59,045 INFO L87 Difference]: Start difference. First operand 25767 states and 38650 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (41), 4 states have call predecessors, (41), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-19 13:43:01,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:43:01,105 INFO L93 Difference]: Finished difference Result 77341 states and 118950 transitions. [2021-11-19 13:43:01,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 13:43:01,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (41), 4 states have call predecessors, (41), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 174 [2021-11-19 13:43:01,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:43:01,624 INFO L225 Difference]: With dead ends: 77341 [2021-11-19 13:43:01,624 INFO L226 Difference]: Without dead ends: 51594 [2021-11-19 13:43:01,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 695 GetRequests, 680 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-11-19 13:43:01,867 INFO L933 BasicCegarLoop]: 5922 mSDtfsCounter, 5017 mSDsluCounter, 16864 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5021 SdHoareTripleChecker+Valid, 22786 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:43:01,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5021 Valid, 22786 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:43:01,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51594 states. [2021-11-19 13:43:05,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51594 to 51519. [2021-11-19 13:43:05,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51519 states, 36877 states have (on average 1.3817013314532094) internal successors, (50953), 37545 states have internal predecessors, (50953), 12564 states have call successors, (12564), 2086 states have call predecessors, (12564), 2077 states have return successors, (15205), 12311 states have call predecessors, (15205), 12563 states have call successors, (15205) [2021-11-19 13:43:06,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51519 states to 51519 states and 78722 transitions. [2021-11-19 13:43:06,289 INFO L78 Accepts]: Start accepts. Automaton has 51519 states and 78722 transitions. Word has length 174 [2021-11-19 13:43:06,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:43:06,290 INFO L470 AbstractCegarLoop]: Abstraction has 51519 states and 78722 transitions. [2021-11-19 13:43:06,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (41), 4 states have call predecessors, (41), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-19 13:43:06,290 INFO L276 IsEmpty]: Start isEmpty. Operand 51519 states and 78722 transitions. [2021-11-19 13:43:06,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-19 13:43:06,300 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:43:06,300 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:43:06,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 13:43:06,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2021-11-19 13:43:06,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 13:43:06,720 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:43:06,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:43:06,721 INFO L85 PathProgramCache]: Analyzing trace with hash -181658274, now seen corresponding path program 1 times [2021-11-19 13:43:06,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:43:06,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359317153] [2021-11-19 13:43:06,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:06,723 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:43:06,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:43:06,725 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:43:06,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-19 13:43:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:43:08,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 1717 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 13:43:08,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:10,046 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-19 13:43:10,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-11-19 13:43:11,912 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:43:11,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1359317153] [2021-11-19 13:43:11,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1359317153] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:43:11,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1162989113] [2021-11-19 13:43:11,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:11,913 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:43:11,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:43:11,916 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:43:11,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-19 13:43:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:43:13,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 1717 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:43:13,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:15,721 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-19 13:43:15,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:16,676 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-19 13:43:16,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1162989113] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:43:16,676 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 13:43:16,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [7, 7] total 14 [2021-11-19 13:43:16,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919097043] [2021-11-19 13:43:16,677 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:43:16,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:43:16,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:43:16,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:43:16,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:43:16,679 INFO L87 Difference]: Start difference. First operand 51519 states and 78722 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 3 states have call successors, (41), 4 states have call predecessors, (41), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-19 13:43:18,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:43:18,871 INFO L93 Difference]: Finished difference Result 81042 states and 123111 transitions. [2021-11-19 13:43:18,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:43:18,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 3 states have call successors, (41), 4 states have call predecessors, (41), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 177 [2021-11-19 13:43:18,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:43:19,468 INFO L225 Difference]: With dead ends: 81042 [2021-11-19 13:43:19,469 INFO L226 Difference]: Without dead ends: 51647 [2021-11-19 13:43:19,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 707 GetRequests, 692 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-11-19 13:43:19,737 INFO L933 BasicCegarLoop]: 4988 mSDtfsCounter, 4944 mSDsluCounter, 9963 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4948 SdHoareTripleChecker+Valid, 14951 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:43:19,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4948 Valid, 14951 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:43:19,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51647 states. [2021-11-19 13:43:23,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51647 to 51551. [2021-11-19 13:43:23,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51551 states, 36909 states have (on average 1.3813703974640332) internal successors, (50985), 37569 states have internal predecessors, (50985), 12556 states have call successors, (12556), 2094 states have call predecessors, (12556), 2085 states have return successors, (15197), 12311 states have call predecessors, (15197), 12555 states have call successors, (15197) [2021-11-19 13:43:23,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51551 states to 51551 states and 78738 transitions. [2021-11-19 13:43:23,500 INFO L78 Accepts]: Start accepts. Automaton has 51551 states and 78738 transitions. Word has length 177 [2021-11-19 13:43:23,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:43:23,500 INFO L470 AbstractCegarLoop]: Abstraction has 51551 states and 78738 transitions. [2021-11-19 13:43:23,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 3 states have call successors, (41), 4 states have call predecessors, (41), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-19 13:43:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 51551 states and 78738 transitions. [2021-11-19 13:43:23,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-19 13:43:23,509 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:43:23,510 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:43:23,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-11-19 13:43:23,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-11-19 13:43:23,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:43:23,931 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:43:23,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:43:23,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1010700028, now seen corresponding path program 1 times [2021-11-19 13:43:23,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:43:23,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [504003506] [2021-11-19 13:43:23,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:23,934 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:43:23,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:43:23,935 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:43:23,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-19 13:43:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:43:26,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 1713 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 13:43:26,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:27,195 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-19 13:43:27,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:29,025 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-11-19 13:43:29,025 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:43:29,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [504003506] [2021-11-19 13:43:29,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [504003506] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:43:29,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [173300417] [2021-11-19 13:43:29,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:29,026 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:43:29,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:43:29,026 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:43:29,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-11-19 13:43:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:43:30,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 1713 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:43:30,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:32,629 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-19 13:43:32,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:33,644 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-19 13:43:33,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [173300417] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:43:33,644 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 13:43:33,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [7, 7] total 14 [2021-11-19 13:43:33,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685497340] [2021-11-19 13:43:33,645 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:43:33,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:43:33,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:43:33,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:43:33,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:43:33,647 INFO L87 Difference]: Start difference. First operand 51551 states and 78738 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 3 states have call successors, (41), 4 states have call predecessors, (41), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-19 13:43:38,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:43:38,055 INFO L93 Difference]: Finished difference Result 154785 states and 243418 transitions. [2021-11-19 13:43:38,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 13:43:38,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 3 states have call successors, (41), 4 states have call predecessors, (41), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 175 [2021-11-19 13:43:38,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:43:39,197 INFO L225 Difference]: With dead ends: 154785 [2021-11-19 13:43:39,198 INFO L226 Difference]: Without dead ends: 103254 [2021-11-19 13:43:39,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 684 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-11-19 13:43:39,692 INFO L933 BasicCegarLoop]: 5885 mSDtfsCounter, 5018 mSDsluCounter, 16790 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5022 SdHoareTripleChecker+Valid, 22675 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:43:39,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5022 Valid, 22675 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:43:39,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103254 states. [2021-11-19 13:43:44,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103254 to 103107. [2021-11-19 13:43:44,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103107 states, 73833 states have (on average 1.3809678599000448) internal successors, (101961), 75145 states have internal predecessors, (101961), 25096 states have call successors, (25096), 4194 states have call predecessors, (25096), 4177 states have return successors, (33891), 24615 states have call predecessors, (33891), 25095 states have call successors, (33891) [2021-11-19 13:43:45,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103107 states to 103107 states and 160948 transitions. [2021-11-19 13:43:45,504 INFO L78 Accepts]: Start accepts. Automaton has 103107 states and 160948 transitions. Word has length 175 [2021-11-19 13:43:45,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:43:45,504 INFO L470 AbstractCegarLoop]: Abstraction has 103107 states and 160948 transitions. [2021-11-19 13:43:45,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 3 states have call successors, (41), 4 states have call predecessors, (41), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-19 13:43:45,505 INFO L276 IsEmpty]: Start isEmpty. Operand 103107 states and 160948 transitions. [2021-11-19 13:43:45,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-19 13:43:45,513 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:43:45,514 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:43:45,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-11-19 13:43:45,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-11-19 13:43:45,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:43:45,928 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:43:45,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:43:45,929 INFO L85 PathProgramCache]: Analyzing trace with hash -496707195, now seen corresponding path program 1 times [2021-11-19 13:43:45,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:43:45,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [445970370] [2021-11-19 13:43:45,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:45,933 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:43:45,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:43:45,936 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:43:45,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-19 13:43:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:43:47,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 1715 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 13:43:47,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:49,060 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-19 13:43:49,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:50,839 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-11-19 13:43:50,840 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:43:50,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [445970370] [2021-11-19 13:43:50,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [445970370] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:43:50,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [411864887] [2021-11-19 13:43:50,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:50,840 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:43:50,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:43:50,841 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:43:50,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217bb069-48e9-41b7-9eba-bb75122fb250/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-11-19 13:43:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:43:52,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 1715 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:43:52,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:54,689 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-19 13:43:54,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:55,798 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-19 13:43:55,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [411864887] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:43:55,798 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 13:43:55,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [7, 7] total 14 [2021-11-19 13:43:55,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422542762] [2021-11-19 13:43:55,799 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:43:55,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:43:55,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:43:55,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:43:55,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:43:55,801 INFO L87 Difference]: Start difference. First operand 103107 states and 160948 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (41), 4 states have call predecessors, (41), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-19 13:44:05,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:44:05,069 INFO L93 Difference]: Finished difference Result 309577 states and 499528 transitions. [2021-11-19 13:44:05,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 13:44:05,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (41), 4 states have call predecessors, (41), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 176 [2021-11-19 13:44:05,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:44:07,253 INFO L225 Difference]: With dead ends: 309577 [2021-11-19 13:44:07,253 INFO L226 Difference]: Without dead ends: 206490 [2021-11-19 13:44:08,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 703 GetRequests, 688 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-11-19 13:44:08,194 INFO L933 BasicCegarLoop]: 5880 mSDtfsCounter, 5019 mSDsluCounter, 16780 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5023 SdHoareTripleChecker+Valid, 22660 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:44:08,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5023 Valid, 22660 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:44:08,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206490 states.