./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-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9cf309f0a6c825c7fb12404de1f7afda24a75842d16f1076eb678f0f1f17dedf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:06:19,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:06:19,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:06:19,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:06:19,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:06:19,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:06:19,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:06:19,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:06:19,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:06:19,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:06:19,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:06:19,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:06:19,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:06:19,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:06:19,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:06:19,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:06:19,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:06:19,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:06:19,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:06:19,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:06:19,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:06:19,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:06:19,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:06:19,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:06:19,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:06:19,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:06:19,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:06:19,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:06:19,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:06:19,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:06:19,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:06:19,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:06:19,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:06:19,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:06:19,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:06:19,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:06:19,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:06:19,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:06:19,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:06:19,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:06:19,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:06:19,136 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:06:19,160 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:06:19,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:06:19,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:06:19,161 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:06:19,162 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:06:19,162 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:06:19,162 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:06:19,162 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:06:19,162 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:06:19,163 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:06:19,163 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:06:19,163 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:06:19,163 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:06:19,163 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:06:19,164 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:06:19,164 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:06:19,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:06:19,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:06:19,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:06:19,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:06:19,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:06:19,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:06:19,166 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:06:19,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:06:19,166 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:06:19,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:06:19,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:06:19,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:06:19,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:06:19,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:06:19,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:06:19,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:06:19,168 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:06:19,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:06:19,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:06:19,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:06:19,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:06:19,169 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_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cf309f0a6c825c7fb12404de1f7afda24a75842d16f1076eb678f0f1f17dedf [2021-11-12 23:06:19,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:06:19,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:06:19,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:06:19,478 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:06:19,478 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:06:19,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i [2021-11-12 23:06:19,554 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/data/05f6e110f/add41cb8071e4a799cce79e7d8a26899/FLAG5765e152a [2021-11-12 23:06:20,518 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:06:20,519 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i [2021-11-12 23:06:20,589 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/data/05f6e110f/add41cb8071e4a799cce79e7d8a26899/FLAG5765e152a [2021-11-12 23:06:21,059 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/data/05f6e110f/add41cb8071e4a799cce79e7d8a26899 [2021-11-12 23:06:21,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:06:21,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:06:21,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:06:21,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:06:21,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:06:21,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:06:21" (1/1) ... [2021-11-12 23:06:21,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cb7a609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:21, skipping insertion in model container [2021-11-12 23:06:21,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:06:21" (1/1) ... [2021-11-12 23:06:21,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:06:21,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:06:22,268 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,275 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,287 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,288 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,293 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,294 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,535 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,685 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,840 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,842 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,879 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,881 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,890 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,900 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,903 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,927 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,928 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,935 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,937 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,940 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,949 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,950 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,955 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:22,974 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,007 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,008 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,009 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,010 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,015 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,017 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,018 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,019 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,089 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,091 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,128 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,134 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,135 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,137 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,140 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,165 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,197 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,199 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,229 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,230 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,352 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,354 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,360 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,361 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,640 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,678 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,859 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,865 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,870 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,876 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,882 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,896 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,902 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,914 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,915 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,916 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,916 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,917 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,917 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,926 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,926 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,927 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,928 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,935 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,941 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,980 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:23,986 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,041 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,047 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,054 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,055 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,055 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,067 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,121 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,127 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,137 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,137 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,138 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,155 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,161 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,215 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,217 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,218 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,221 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,228 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,235 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,243 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,249 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,255 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,261 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,302 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,351 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,351 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,352 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,352 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,353 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,354 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,361 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,362 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,362 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,363 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,364 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,365 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,367 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,367 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,368 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,369 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,370 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,371 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,380 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,381 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,387 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:24,551 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i[398836,398849] [2021-11-12 23:06:24,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:06:24,737 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:06:24,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a37aa2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:24, skipping insertion in model container [2021-11-12 23:06:24,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:06:24,739 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:06:24,742 INFO L158 Benchmark]: Toolchain (without parser) took 3675.95ms. Allocated memory was 96.5MB in the beginning and 178.3MB in the end (delta: 81.8MB). Free memory was 60.7MB in the beginning and 114.2MB in the end (delta: -53.5MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2021-11-12 23:06:24,743 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory was 74.3MB in the beginning and 74.3MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:06:24,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3673.67ms. Allocated memory was 96.5MB in the beginning and 178.3MB in the end (delta: 81.8MB). Free memory was 60.5MB in the beginning and 114.2MB in the end (delta: -53.7MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2021-11-12 23:06:24,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory was 74.3MB in the beginning and 74.3MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3673.67ms. Allocated memory was 96.5MB in the beginning and 178.3MB in the end (delta: 81.8MB). Free memory was 60.5MB in the beginning and 114.2MB in the end (delta: -53.7MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2988]: 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_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9cf309f0a6c825c7fb12404de1f7afda24a75842d16f1076eb678f0f1f17dedf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:06:27,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:06:27,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:06:27,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:06:27,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:06:27,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:06:27,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:06:27,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:06:27,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:06:27,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:06:27,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:06:27,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:06:27,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:06:27,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:06:27,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:06:27,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:06:27,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:06:27,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:06:27,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:06:27,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:06:27,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:06:27,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:06:27,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:06:27,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:06:27,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:06:27,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:06:27,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:06:27,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:06:27,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:06:27,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:06:27,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:06:27,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:06:27,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:06:27,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:06:27,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:06:27,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:06:27,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:06:27,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:06:27,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:06:27,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:06:27,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:06:27,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:06:27,256 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:06:27,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:06:27,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:06:27,258 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:06:27,258 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:06:27,258 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:06:27,258 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:06:27,258 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:06:27,259 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:06:27,259 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:06:27,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:06:27,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:06:27,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:06:27,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:06:27,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:06:27,262 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:06:27,263 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:06:27,263 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:06:27,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:06:27,263 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:06:27,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:06:27,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:06:27,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:06:27,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:06:27,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:06:27,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:06:27,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:06:27,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:06:27,265 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:06:27,266 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:06:27,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:06:27,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:06:27,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:06:27,266 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_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cf309f0a6c825c7fb12404de1f7afda24a75842d16f1076eb678f0f1f17dedf [2021-11-12 23:06:27,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:06:27,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:06:27,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:06:27,685 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:06:27,686 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:06:27,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i [2021-11-12 23:06:27,765 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/data/baf3e99e2/35dd9dae9aff42ee98ceab99e6a595f4/FLAGa4914d703 [2021-11-12 23:06:28,894 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:06:28,895 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i [2021-11-12 23:06:28,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/data/baf3e99e2/35dd9dae9aff42ee98ceab99e6a595f4/FLAGa4914d703 [2021-11-12 23:06:29,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/data/baf3e99e2/35dd9dae9aff42ee98ceab99e6a595f4 [2021-11-12 23:06:29,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:06:29,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:06:29,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:06:29,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:06:29,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:06:29,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:06:29" (1/1) ... [2021-11-12 23:06:29,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@394bcffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:29, skipping insertion in model container [2021-11-12 23:06:29,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:06:29" (1/1) ... [2021-11-12 23:06:29,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:06:29,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:06:30,813 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:30,817 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:30,931 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:06:32,586 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i[398836,398849] [2021-11-12 23:06:32,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:06:32,734 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:06:32,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:06:33,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i[398836,398849] [2021-11-12 23:06:33,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:06:33,527 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:06:34,160 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i[398836,398849] [2021-11-12 23:06:34,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:06:34,378 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:06:34,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:34 WrapperNode [2021-11-12 23:06:34,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:06:34,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:06:34,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:06:34,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:06:34,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:34" (1/1) ... [2021-11-12 23:06:34,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:34" (1/1) ... [2021-11-12 23:06:34,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:06:34,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:06:34,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:06:34,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:06:34,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:34" (1/1) ... [2021-11-12 23:06:34,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:34" (1/1) ... [2021-11-12 23:06:35,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:34" (1/1) ... [2021-11-12 23:06:35,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:34" (1/1) ... [2021-11-12 23:06:35,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:34" (1/1) ... [2021-11-12 23:06:35,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:34" (1/1) ... [2021-11-12 23:06:35,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:34" (1/1) ... [2021-11-12 23:06:35,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:06:35,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:06:35,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:06:35,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:06:35,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:34" (1/1) ... [2021-11-12 23:06:35,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:06:35,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:06:35,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:06:35,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:06:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_serialnumber_show [2021-11-12 23:06:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_serialnumber_show [2021-11-12 23:06:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_link [2021-11-12 23:06:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_link [2021-11-12 23:06:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_function [2021-11-12 23:06:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_function [2021-11-12 23:06:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:06:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:06:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_product_store [2021-11-12 23:06:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_product_store [2021-11-12 23:06:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_desc_bmAttributes_store [2021-11-12 23:06:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_desc_bmAttributes_store [2021-11-12 23:06:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2021-11-12 23:06:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2021-11-12 23:06:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure count_ext_prop [2021-11-12 23:06:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure count_ext_prop [2021-11-12 23:06:35,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:06:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:06:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ext_prop_data_ptr [2021-11-12 23:06:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ext_prop_data_ptr [2021-11-12 23:06:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_info_attr_release [2021-11-12 23:06:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_info_attr_release [2021-11-12 23:06:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure configfs_composite_bind [2021-11-12 23:06:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure configfs_composite_bind [2021-11-12 23:06:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_manufacturer_show [2021-11-12 23:06:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_manufacturer_show [2021-11-12 23:06:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2021-11-12 23:06:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2021-11-12 23:06:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure usb_os_desc_ext_prop_attr_store [2021-11-12 23:06:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_os_desc_ext_prop_attr_store [2021-11-12 23:06:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure composite_dev_prepare [2021-11-12 23:06:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_dev_prepare [2021-11-12 23:06:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure composite_unbind [2021-11-12 23:06:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_unbind [2021-11-12 23:06:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bMaxPacketSize0_show [2021-11-12 23:06:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bMaxPacketSize0_show [2021-11-12 23:06:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_product_show [2021-11-12 23:06:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_product_show [2021-11-12 23:06:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure config_group_init_type_name [2021-11-12 23:06:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure config_group_init_type_name [2021-11-12 23:06:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_copy_descriptors [2021-11-12 23:06:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_copy_descriptors [2021-11-12 23:06:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 23:06:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 23:06:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_b_vendor_code_store [2021-11-12 23:06:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_b_vendor_code_store [2021-11-12 23:06:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_use_show [2021-11-12 23:06:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_use_show [2021-11-12 23:06:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_os_desc_ext_prop_attr_show [2021-11-12 23:06:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_os_desc_ext_prop_attr_show [2021-11-12 23:06:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_ext_prop_ptr [2021-11-12 23:06:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_ext_prop_ptr [2021-11-12 23:06:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_attr_store [2021-11-12 23:06:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_attr_store [2021-11-12 23:06:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure function_drop [2021-11-12 23:06:35,912 INFO L138 BoogieDeclarations]: Found implementation of procedure function_drop [2021-11-12 23:06:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure to_config_usb_cfg [2021-11-12 23:06:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure to_config_usb_cfg [2021-11-12 23:06:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure config_usb_cfg_attr_store [2021-11-12 23:06:35,914 INFO L138 BoogieDeclarations]: Found implementation of procedure config_usb_cfg_attr_store [2021-11-12 23:06:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:06:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:06:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-12 23:06:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-12 23:06:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_gadget [2021-11-12 23:06:35,915 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_gadget [2021-11-12 23:06:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure ext_prop_data_show [2021-11-12 23:06:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_prop_data_show [2021-11-12 23:06:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure composite_bind [2021-11-12 23:06:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_bind [2021-11-12 23:06:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:06:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure bos_desc [2021-11-12 23:06:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure bos_desc [2021-11-12 23:06:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 23:06:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure composite_disconnect [2021-11-12 23:06:35,919 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_disconnect [2021-11-12 23:06:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:06:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:06:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_idProduct_show [2021-11-12 23:06:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_idProduct_show [2021-11-12 23:06:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:06:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_qw_sign_store [2021-11-12 23:06:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_qw_sign_store [2021-11-12 23:06:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-12 23:06:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-12 23:06:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_function [2021-11-12 23:06:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_function [2021-11-12 23:06:35,922 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-12 23:06:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-12 23:06:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_desc_MaxPower_show [2021-11-12 23:06:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_desc_MaxPower_show [2021-11-12 23:06:35,923 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_UDC_show [2021-11-12 23:06:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_UDC_show [2021-11-12 23:06:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-12 23:06:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-12 23:06:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_zero [2021-11-12 23:06:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_zero [2021-11-12 23:06:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure check_user_usb_string [2021-11-12 23:06:35,925 INFO L138 BoogieDeclarations]: Found implementation of procedure check_user_usb_string [2021-11-12 23:06:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure len_ext_prop [2021-11-12 23:06:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure len_ext_prop [2021-11-12 23:06:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_info_attr_store [2021-11-12 23:06:35,926 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_info_attr_store [2021-11-12 23:06:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_attr_release [2021-11-12 23:06:35,927 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_attr_release [2021-11-12 23:06:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_idProduct_store [2021-11-12 23:06:35,927 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_idProduct_store [2021-11-12 23:06:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bDeviceProtocol_show [2021-11-12 23:06:35,928 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bDeviceProtocol_show [2021-11-12 23:06:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 23:06:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 23:06:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_name_configuration_show [2021-11-12 23:06:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_name_configuration_show [2021-11-12 23:06:35,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_os_desc_ext_prop_release [2021-11-12 23:06:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_os_desc_ext_prop_release [2021-11-12 23:06:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_name_attr_store [2021-11-12 23:06:35,938 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_name_attr_store [2021-11-12 23:06:35,939 INFO L130 BoogieDeclarations]: Found specification of procedure composite_resume [2021-11-12 23:06:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_resume [2021-11-12 23:06:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure configfs_composite_unbind [2021-11-12 23:06:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure configfs_composite_unbind [2021-11-12 23:06:35,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:06:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:06:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure ext_prop_data_store [2021-11-12 23:06:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_prop_data_store [2021-11-12 23:06:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure to_cdriver [2021-11-12 23:06:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cdriver [2021-11-12 23:06:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure collect_langs [2021-11-12 23:06:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_langs [2021-11-12 23:06:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_attr_store [2021-11-12 23:06:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_attr_store [2021-11-12 23:06:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure try_get_usb_function_instance [2021-11-12 23:06:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure try_get_usb_function_instance [2021-11-12 23:06:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure count_configs [2021-11-12 23:06:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure count_configs [2021-11-12 23:06:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2021-11-12 23:06:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2021-11-12 23:06:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-12 23:06:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-12 23:06:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_all_descriptors [2021-11-12 23:06:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_all_descriptors [2021-11-12 23:06:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_strings_drop [2021-11-12 23:06:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_strings_drop [2021-11-12 23:06:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:06:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:06:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_name_attr_show [2021-11-12 23:06:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_name_attr_show [2021-11-12 23:06:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_idVendor_store [2021-11-12 23:06:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_idVendor_store [2021-11-12 23:06:35,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-12 23:06:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-12 23:06:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure utf8s_to_utf16s [2021-11-12 23:06:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure utf8s_to_utf16s [2021-11-12 23:06:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_b_vendor_code_show [2021-11-12 23:06:35,947 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_b_vendor_code_show [2021-11-12 23:06:35,947 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_is_superspeed [2021-11-12 23:06:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_is_superspeed [2021-11-12 23:06:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:06:35,948 INFO L130 BoogieDeclarations]: Found specification of procedure interf_grp_sub_compatible_id_store [2021-11-12 23:06:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure interf_grp_sub_compatible_id_store [2021-11-12 23:06:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_dequeue [2021-11-12 23:06:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_dequeue [2021-11-12 23:06:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure composite_ep0_queue [2021-11-12 23:06:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_ep0_queue [2021-11-12 23:06:35,949 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-12 23:06:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-12 23:06:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bDeviceClass_store [2021-11-12 23:06:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bDeviceClass_store [2021-11-12 23:06:35,950 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bcdUSB_show [2021-11-12 23:06:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bcdUSB_show [2021-11-12 23:06:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:06:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_UDC_store [2021-11-12 23:06:35,951 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_UDC_store [2021-11-12 23:06:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig_reset [2021-11-12 23:06:35,951 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig_reset [2021-11-12 23:06:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:06:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:06:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:06:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:06:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:06:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure to_usb_os_desc_ext_prop [2021-11-12 23:06:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure to_usb_os_desc_ext_prop [2021-11-12 23:06:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure config_usb_cfg_link [2021-11-12 23:06:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure config_usb_cfg_link [2021-11-12 23:06:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure config_desc_drop [2021-11-12 23:06:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure config_desc_drop [2021-11-12 23:06:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure composite_dev_cleanup [2021-11-12 23:06:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_dev_cleanup [2021-11-12 23:06:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_desc_MaxPower_store [2021-11-12 23:06:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_desc_MaxPower_store [2021-11-12 23:06:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bcdDevice_show [2021-11-12 23:06:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bcdDevice_show [2021-11-12 23:06:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_LONG [2021-11-12 23:06:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_LONG [2021-11-12 23:06:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure composite_suspend [2021-11-12 23:06:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_suspend [2021-11-12 23:06:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure ext_prop_drop [2021-11-12 23:06:35,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_prop_drop [2021-11-12 23:06:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure count_ext_compat [2021-11-12 23:06:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure count_ext_compat [2021-11-12 23:06:35,958 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 23:06:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 23:06:35,958 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_idVendor_show [2021-11-12 23:06:35,958 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_idVendor_show [2021-11-12 23:06:35,959 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_desc_bmAttributes_show [2021-11-12 23:06:35,959 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_desc_bmAttributes_show [2021-11-12 23:06:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure purge_configs_funcs [2021-11-12 23:06:35,960 INFO L138 BoogieDeclarations]: Found implementation of procedure purge_configs_funcs [2021-11-12 23:06:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:06:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_is_otg [2021-11-12 23:06:35,960 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_is_otg [2021-11-12 23:06:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ext_prop_data_len_ptr [2021-11-12 23:06:35,961 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ext_prop_data_len_ptr [2021-11-12 23:06:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:06:35,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:06:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-12 23:06:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-12 23:06:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_function_instance [2021-11-12 23:06:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_function_instance [2021-11-12 23:06:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:06:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_function_instance [2021-11-12 23:06:35,963 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_function_instance [2021-11-12 23:06:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:06:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:06:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:06:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:06:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:06:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_le16p [2021-11-12 23:06:35,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_le16p [2021-11-12 23:06:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string_ids_tab [2021-11-12 23:06:35,964 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string_ids_tab [2021-11-12 23:06:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:06:35,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:06:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bDeviceClass_show [2021-11-12 23:06:35,965 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bDeviceClass_show [2021-11-12 23:06:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-11-12 23:06:35,966 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-11-12 23:06:35,967 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2021-11-12 23:06:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2021-11-12 23:06:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_alloc_request [2021-11-12 23:06:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_alloc_request [2021-11-12 23:06:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure reset_config [2021-11-12 23:06:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_config [2021-11-12 23:06:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-12 23:06:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-12 23:06:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-12 23:06:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-12 23:06:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-12 23:06:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-12 23:06:35,978 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bDeviceProtocol_store [2021-11-12 23:06:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bDeviceProtocol_store [2021-11-12 23:06:35,978 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_UINT~TO~C_INT [2021-11-12 23:06:35,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_UINT~TO~C_INT [2021-11-12 23:06:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string_copy [2021-11-12 23:06:35,979 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string_copy [2021-11-12 23:06:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure to_config_group [2021-11-12 23:06:35,979 INFO L138 BoogieDeclarations]: Found implementation of procedure to_config_group [2021-11-12 23:06:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_function [2021-11-12 23:06:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_add_function [2021-11-12 23:06:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-11-12 23:06:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-11-12 23:06:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:06:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:06:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure to_gadget_info [2021-11-12 23:06:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure to_gadget_info [2021-11-12 23:06:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure __composite_unbind [2021-11-12 23:06:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __composite_unbind [2021-11-12 23:06:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2021-11-12 23:06:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2021-11-12 23:06:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 23:06:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 23:06:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-12 23:06:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-12 23:06:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_serialnumber_store [2021-11-12 23:06:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_serialnumber_store [2021-11-12 23:06:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure to_gadget_strings [2021-11-12 23:06:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure to_gadget_strings [2021-11-12 23:06:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:06:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 23:06:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 23:06:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bcdDevice_store [2021-11-12 23:06:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bcdDevice_store [2021-11-12 23:06:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bDeviceSubClass_show [2021-11-12 23:06:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bDeviceSubClass_show [2021-11-12 23:06:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:06:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure config_usb_cfg_unlink [2021-11-12 23:06:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure config_usb_cfg_unlink [2021-11-12 23:06:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bMaxPacketSize0_store [2021-11-12 23:06:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bMaxPacketSize0_store [2021-11-12 23:06:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_name_attr_release [2021-11-12 23:06:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_name_attr_release [2021-11-12 23:06:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure to_os_desc [2021-11-12 23:06:35,986 INFO L138 BoogieDeclarations]: Found implementation of procedure to_os_desc [2021-11-12 23:06:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:06:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:06:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:06:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:06:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~TO~C_INT [2021-11-12 23:06:35,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~TO~C_INT [2021-11-12 23:06:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_unlink [2021-11-12 23:06:35,987 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_unlink [2021-11-12 23:06:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_info_attr_show [2021-11-12 23:06:35,987 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_info_attr_show [2021-11-12 23:06:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-12 23:06:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-12 23:06:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_unregister_driver [2021-11-12 23:06:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_unregister_driver [2021-11-12 23:06:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-11-12 23:06:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-11-12 23:06:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-12 23:06:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-12 23:06:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-12 23:06:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-12 23:06:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure le16_add_cpu [2021-11-12 23:06:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure le16_add_cpu [2021-11-12 23:06:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou16 [2021-11-12 23:06:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou16 [2021-11-12 23:06:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure composite_setup_complete [2021-11-12 23:06:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_setup_complete [2021-11-12 23:06:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure composite_setup [2021-11-12 23:06:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_setup [2021-11-12 23:06:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_name_strings_drop [2021-11-12 23:06:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_name_strings_drop [2021-11-12 23:06:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure set_config [2021-11-12 23:06:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config [2021-11-12 23:06:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-12 23:06:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-12 23:06:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_function [2021-11-12 23:06:35,992 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_function [2021-11-12 23:06:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_attr_release [2021-11-12 23:06:35,992 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_attr_release [2021-11-12 23:06:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure composite_os_desc_req_prepare [2021-11-12 23:06:35,992 INFO L138 BoogieDeclarations]: Found implementation of procedure composite_os_desc_req_prepare [2021-11-12 23:06:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_bcd [2021-11-12 23:06:35,993 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_bcd [2021-11-12 23:06:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bcdUSB_store [2021-11-12 23:06:35,993 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bcdUSB_store [2021-11-12 23:06:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure interf_grp_compatible_id_show [2021-11-12 23:06:35,993 INFO L138 BoogieDeclarations]: Found implementation of procedure interf_grp_compatible_id_show [2021-11-12 23:06:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:06:35,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:06:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_qw_sign_show [2021-11-12 23:06:35,994 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_qw_sign_show [2021-11-12 23:06:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure config_usb_cfg_attr_show [2021-11-12 23:06:35,994 INFO L138 BoogieDeclarations]: Found implementation of procedure config_usb_cfg_attr_show [2021-11-12 23:06:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:06:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:06:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_config_only [2021-11-12 23:06:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_add_config_only [2021-11-12 23:06:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure config_item_put [2021-11-12 23:06:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure config_item_put [2021-11-12 23:06:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure lookup_string [2021-11-12 23:06:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup_string [2021-11-12 23:06:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_CAST [2021-11-12 23:06:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_CAST [2021-11-12 23:06:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:06:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:06:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:06:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:06:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:06:35,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:06:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure interf_grp_compatible_id_store [2021-11-12 23:06:35,997 INFO L138 BoogieDeclarations]: Found implementation of procedure interf_grp_compatible_id_store [2021-11-12 23:06:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_descriptors [2021-11-12 23:06:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_descriptors [2021-11-12 23:06:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure to_usb_os_desc [2021-11-12 23:06:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure to_usb_os_desc [2021-11-12 23:06:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-12 23:06:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-12 23:06:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gstrings_attach [2021-11-12 23:06:35,999 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gstrings_attach [2021-11-12 23:06:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure get_default_bcdDevice [2021-11-12 23:06:35,999 INFO L138 BoogieDeclarations]: Found implementation of procedure get_default_bcdDevice [2021-11-12 23:06:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure interf_grp_sub_compatible_id_show [2021-11-12 23:06:35,999 INFO L138 BoogieDeclarations]: Found implementation of procedure interf_grp_sub_compatible_id_show [2021-11-12 23:06:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_name_configuration_store [2021-11-12 23:06:36,000 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_name_configuration_store [2021-11-12 23:06:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2021-11-12 23:06:36,000 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2021-11-12 23:06:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_dev_desc_bDeviceSubClass_store [2021-11-12 23:06:36,001 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_dev_desc_bDeviceSubClass_store [2021-11-12 23:06:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_is_dualspeed [2021-11-12 23:06:36,001 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_is_dualspeed [2021-11-12 23:06:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_attr_show [2021-11-12 23:06:36,001 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_attr_show [2021-11-12 23:06:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure ext_prop_type_store [2021-11-12 23:06:36,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_prop_type_store [2021-11-12 23:06:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_attr_show [2021-11-12 23:06:36,002 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_attr_show [2021-11-12 23:06:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-12 23:06:36,002 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-12 23:06:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure gadgets_drop [2021-11-12 23:06:36,003 INFO L138 BoogieDeclarations]: Found implementation of procedure gadgets_drop [2021-11-12 23:06:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-12 23:06:36,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-12 23:06:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure ext_prop_type_show [2021-11-12 23:06:36,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_prop_type_show [2021-11-12 23:06:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_strings_manufacturer_store [2021-11-12 23:06:36,004 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_strings_manufacturer_store [2021-11-12 23:06:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2021-11-12 23:06:36,004 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2021-11-12 23:06:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure to_gadget_config_name [2021-11-12 23:06:36,004 INFO L138 BoogieDeclarations]: Found implementation of procedure to_gadget_config_name [2021-11-12 23:06:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure remove_config [2021-11-12 23:06:36,005 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_config [2021-11-12 23:06:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_config_attr_release [2021-11-12 23:06:36,106 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_config_attr_release [2021-11-12 23:06:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-12 23:06:36,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-12 23:06:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure os_desc_use_store [2021-11-12 23:06:36,106 INFO L138 BoogieDeclarations]: Found implementation of procedure os_desc_use_store [2021-11-12 23:06:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure usb_descriptor_fillbuf [2021-11-12 23:06:36,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_descriptor_fillbuf [2021-11-12 23:06:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure get_containers_gs [2021-11-12 23:06:36,107 INFO L138 BoogieDeclarations]: Found implementation of procedure get_containers_gs [2021-11-12 23:06:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~TO~C_LONG [2021-11-12 23:06:36,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~TO~C_LONG [2021-11-12 23:06:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou8 [2021-11-12 23:06:36,107 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou8 [2021-11-12 23:06:38,091 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:08:17,084 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:08:17,084 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:08:17,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:08:17 BoogieIcfgContainer [2021-11-12 23:08:17,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:08:17,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:08:17,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:08:17,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:08:17,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:06:29" (1/3) ... [2021-11-12 23:08:17,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf2fd53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:08:17, skipping insertion in model container [2021-11-12 23:08:17,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:06:34" (2/3) ... [2021-11-12 23:08:17,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf2fd53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:08:17, skipping insertion in model container [2021-11-12 23:08:17,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:08:17" (3/3) ... [2021-11-12 23:08:17,099 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--usb--gadget--libcomposite.ko-entry_point.cil.out.i [2021-11-12 23:08:17,105 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:08:17,105 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:08:17,191 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:08:17,197 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:08:17,198 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:08:17,323 INFO L276 IsEmpty]: Start isEmpty. Operand has 5610 states, 4470 states have (on average 1.4304250559284117) internal successors, (6394), 4555 states have internal predecessors, (6394), 944 states have call successors, (944), 195 states have call predecessors, (944), 194 states have return successors, (904), 883 states have call predecessors, (904), 904 states have call successors, (904) [2021-11-12 23:08:17,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1508 [2021-11-12 23:08:17,447 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:08:17,449 INFO L514 BasicCegarLoop]: trace histogram [72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 29, 29, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:08:17,450 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:08:17,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:08:17,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1230704407, now seen corresponding path program 1 times [2021-11-12 23:08:17,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:08:17,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1730676596] [2021-11-12 23:08:17,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:08:17,493 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:08:17,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:08:17,500 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:08:17,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:08:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:08:45,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 7803 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 23:08:45,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:08:52,686 INFO L134 CoverageAnalysis]: Checked inductivity of 39438 backedges. 15255 proven. 0 refuted. 0 times theorem prover too weak. 24183 trivial. 0 not checked. [2021-11-12 23:08:52,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:08:56,391 INFO L134 CoverageAnalysis]: Checked inductivity of 39438 backedges. 105 proven. 250 refuted. 0 times theorem prover too weak. 39083 trivial. 0 not checked. [2021-11-12 23:08:56,392 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:08:56,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1730676596] [2021-11-12 23:08:56,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1730676596] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:08:56,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:08:56,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-12 23:08:56,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454552607] [2021-11-12 23:08:56,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:08:56,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:08:56,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:08:56,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:08:56,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:08:56,447 INFO L87 Difference]: Start difference. First operand has 5610 states, 4470 states have (on average 1.4304250559284117) internal successors, (6394), 4555 states have internal predecessors, (6394), 944 states have call successors, (944), 195 states have call predecessors, (944), 194 states have return successors, (904), 883 states have call predecessors, (904), 904 states have call successors, (904) Second operand has 2 states, 2 states have (on average 80.5) internal successors, (161), 2 states have internal predecessors, (161), 2 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (107), 2 states have call predecessors, (107), 2 states have call successors, (107) [2021-11-12 23:08:56,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:08:56,883 INFO L93 Difference]: Finished difference Result 11215 states and 16761 transitions. [2021-11-12 23:08:56,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:08:56,885 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 80.5) internal successors, (161), 2 states have internal predecessors, (161), 2 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (107), 2 states have call predecessors, (107), 2 states have call successors, (107) Word has length 1507 [2021-11-12 23:08:56,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:08:56,948 INFO L225 Difference]: With dead ends: 11215 [2021-11-12 23:08:56,948 INFO L226 Difference]: Without dead ends: 5562 [2021-11-12 23:08:56,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3012 GetRequests, 3012 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:08:56,990 INFO L933 BasicCegarLoop]: 8237 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8237 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.74ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:08:56,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 8237 Invalid, 0 Unknown, 0 Unchecked, 30.74ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 23:08:57,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5562 states. [2021-11-12 23:08:57,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5562 to 5562. [2021-11-12 23:08:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5562 states, 4464 states have (on average 1.4211469534050178) internal successors, (6344), 4507 states have internal predecessors, (6344), 904 states have call successors, (904), 194 states have call predecessors, (904), 193 states have return successors, (902), 881 states have call predecessors, (902), 902 states have call successors, (902) [2021-11-12 23:08:57,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5562 states to 5562 states and 8150 transitions. [2021-11-12 23:08:57,346 INFO L78 Accepts]: Start accepts. Automaton has 5562 states and 8150 transitions. Word has length 1507 [2021-11-12 23:08:57,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:08:57,348 INFO L470 AbstractCegarLoop]: Abstraction has 5562 states and 8150 transitions. [2021-11-12 23:08:57,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.5) internal successors, (161), 2 states have internal predecessors, (161), 2 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (107), 2 states have call predecessors, (107), 2 states have call successors, (107) [2021-11-12 23:08:57,349 INFO L276 IsEmpty]: Start isEmpty. Operand 5562 states and 8150 transitions. [2021-11-12 23:08:57,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1508 [2021-11-12 23:08:57,604 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:08:57,605 INFO L514 BasicCegarLoop]: trace histogram [72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 29, 29, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:08:57,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:08:57,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:08:57,806 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:08:57,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:08:57,807 INFO L85 PathProgramCache]: Analyzing trace with hash -537928103, now seen corresponding path program 1 times [2021-11-12 23:08:57,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:08:57,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [34441119] [2021-11-12 23:08:57,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:08:57,818 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:08:57,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:08:57,819 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:08:57,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:09:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:09:34,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 7803 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:09:34,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:09:38,584 INFO L134 CoverageAnalysis]: Checked inductivity of 39438 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 39186 trivial. 0 not checked. [2021-11-12 23:09:38,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:09:42,899 INFO L134 CoverageAnalysis]: Checked inductivity of 39438 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 39242 trivial. 0 not checked. [2021-11-12 23:09:42,899 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:09:42,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [34441119] [2021-11-12 23:09:42,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [34441119] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:09:42,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:09:42,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2021-11-12 23:09:42,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431161460] [2021-11-12 23:09:42,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:09:42,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:09:42,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:09:42,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:09:42,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:09:42,911 INFO L87 Difference]: Start difference. First operand 5562 states and 8150 transitions. Second operand has 6 states, 5 states have (on average 31.4) internal successors, (157), 6 states have internal predecessors, (157), 3 states have call successors, (106), 2 states have call predecessors, (106), 4 states have return successors, (105), 3 states have call predecessors, (105), 3 states have call successors, (105) [2021-11-12 23:09:45,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:09:45,017 INFO L93 Difference]: Finished difference Result 10982 states and 16204 transitions. [2021-11-12 23:09:45,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:09:45,018 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.4) internal successors, (157), 6 states have internal predecessors, (157), 3 states have call successors, (106), 2 states have call predecessors, (106), 4 states have return successors, (105), 3 states have call predecessors, (105), 3 states have call successors, (105) Word has length 1507 [2021-11-12 23:09:45,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:09:45,072 INFO L225 Difference]: With dead ends: 10982 [2021-11-12 23:09:45,072 INFO L226 Difference]: Without dead ends: 5565 [2021-11-12 23:09:45,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3014 GetRequests, 3005 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:09:45,106 INFO L933 BasicCegarLoop]: 8116 mSDtfsCounter, 6 mSDsluCounter, 32395 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1470.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 40511 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 92.57ms SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1571.08ms IncrementalHoareTripleChecker+Time [2021-11-12 23:09:45,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 40511 Invalid, 265 Unknown, 0 Unchecked, 92.57ms Time], IncrementalHoareTripleChecker [31 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 1571.08ms Time] [2021-11-12 23:09:45,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5565 states. [2021-11-12 23:09:45,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5565 to 5565. [2021-11-12 23:09:45,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5565 states, 4466 states have (on average 1.4211822660098523) internal successors, (6347), 4510 states have internal predecessors, (6347), 904 states have call successors, (904), 194 states have call predecessors, (904), 194 states have return successors, (904), 881 states have call predecessors, (904), 902 states have call successors, (904) [2021-11-12 23:09:45,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5565 states to 5565 states and 8155 transitions. [2021-11-12 23:09:45,363 INFO L78 Accepts]: Start accepts. Automaton has 5565 states and 8155 transitions. Word has length 1507 [2021-11-12 23:09:45,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:09:45,370 INFO L470 AbstractCegarLoop]: Abstraction has 5565 states and 8155 transitions. [2021-11-12 23:09:45,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.4) internal successors, (157), 6 states have internal predecessors, (157), 3 states have call successors, (106), 2 states have call predecessors, (106), 4 states have return successors, (105), 3 states have call predecessors, (105), 3 states have call successors, (105) [2021-11-12 23:09:45,371 INFO L276 IsEmpty]: Start isEmpty. Operand 5565 states and 8155 transitions. [2021-11-12 23:09:45,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1537 [2021-11-12 23:09:45,401 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:09:45,403 INFO L514 BasicCegarLoop]: trace histogram [72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 29, 29, 29, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:09:45,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-12 23:09:45,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:09:45,626 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:09:45,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:09:45,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1514299846, now seen corresponding path program 1 times [2021-11-12 23:09:45,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:09:45,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1487733662] [2021-11-12 23:09:45,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:09:45,635 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:09:45,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:09:45,636 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:09:45,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:10:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:10:22,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 7948 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:10:22,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:10:26,264 INFO L134 CoverageAnalysis]: Checked inductivity of 40685 backedges. 336 proven. 1 refuted. 0 times theorem prover too weak. 40348 trivial. 0 not checked. [2021-11-12 23:10:26,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:10:30,133 INFO L134 CoverageAnalysis]: Checked inductivity of 40685 backedges. 0 proven. 281 refuted. 0 times theorem prover too weak. 40404 trivial. 0 not checked. [2021-11-12 23:10:30,133 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:10:30,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1487733662] [2021-11-12 23:10:30,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1487733662] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:10:30,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [287389814] [2021-11-12 23:10:30,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:10:30,134 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:10:30,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:10:30,147 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:10:30,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-12 23:10:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:10:35,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 7948 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:10:35,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:10:50,795 INFO L134 CoverageAnalysis]: Checked inductivity of 40685 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40685 trivial. 0 not checked. [2021-11-12 23:10:50,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:10:55,567 INFO L134 CoverageAnalysis]: Checked inductivity of 40685 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40685 trivial. 0 not checked. [2021-11-12 23:10:55,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [287389814] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:10:55,567 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:10:55,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [7, 7] total 12 [2021-11-12 23:10:55,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345572021] [2021-11-12 23:10:55,569 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:10:55,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:10:55,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:10:55,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:10:55,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:10:55,573 INFO L87 Difference]: Start difference. First operand 5565 states and 8155 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (209), 3 states have call predecessors, (209), 2 states have return successors, (208), 2 states have call predecessors, (208), 2 states have call successors, (208) [2021-11-12 23:10:56,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:10:56,111 INFO L93 Difference]: Finished difference Result 16273 states and 24029 transitions. [2021-11-12 23:10:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:10:56,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (209), 3 states have call predecessors, (209), 2 states have return successors, (208), 2 states have call predecessors, (208), 2 states have call successors, (208) Word has length 1536 [2021-11-12 23:10:56,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:10:56,202 INFO L225 Difference]: With dead ends: 16273 [2021-11-12 23:10:56,203 INFO L226 Difference]: Without dead ends: 10914 [2021-11-12 23:10:56,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6140 GetRequests, 6130 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:10:56,238 INFO L933 BasicCegarLoop]: 9002 mSDtfsCounter, 7787 mSDsluCounter, 7927 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7787 SdHoareTripleChecker+Valid, 16929 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 37.76ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.41ms IncrementalHoareTripleChecker+Time [2021-11-12 23:10:56,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7787 Valid, 16929 Invalid, 8 Unknown, 0 Unchecked, 37.76ms Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 43.41ms Time] [2021-11-12 23:10:56,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10914 states. [2021-11-12 23:10:56,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10914 to 10911. [2021-11-12 23:10:56,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10911 states, 8819 states have (on average 1.4262388025853272) internal successors, (12578), 8906 states have internal predecessors, (12578), 1704 states have call successors, (1704), 386 states have call predecessors, (1704), 387 states have return successors, (1799), 1660 states have call predecessors, (1799), 1702 states have call successors, (1799) [2021-11-12 23:10:56,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10911 states to 10911 states and 16081 transitions. [2021-11-12 23:10:56,723 INFO L78 Accepts]: Start accepts. Automaton has 10911 states and 16081 transitions. Word has length 1536 [2021-11-12 23:10:56,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:10:56,727 INFO L470 AbstractCegarLoop]: Abstraction has 10911 states and 16081 transitions. [2021-11-12 23:10:56,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (209), 3 states have call predecessors, (209), 2 states have return successors, (208), 2 states have call predecessors, (208), 2 states have call successors, (208) [2021-11-12 23:10:56,728 INFO L276 IsEmpty]: Start isEmpty. Operand 10911 states and 16081 transitions. [2021-11-12 23:10:56,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1603 [2021-11-12 23:10:56,772 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:10:56,773 INFO L514 BasicCegarLoop]: trace histogram [72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 29, 29, 29, 29, 29, 29, 29, 29, 29, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:10:56,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:10:57,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:10:57,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:10:57,194 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:10:57,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:10:57,195 INFO L85 PathProgramCache]: Analyzing trace with hash -468201802, now seen corresponding path program 1 times [2021-11-12 23:10:57,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:10:57,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [205621141] [2021-11-12 23:10:57,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:10:57,211 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:10:57,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:10:57,212 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:10:57,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:11:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:11:33,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 8238 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:11:33,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:11:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 40692 backedges. 336 proven. 1 refuted. 0 times theorem prover too weak. 40355 trivial. 0 not checked. [2021-11-12 23:11:37,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:11:41,491 INFO L134 CoverageAnalysis]: Checked inductivity of 40692 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 40408 trivial. 0 not checked. [2021-11-12 23:11:41,491 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:11:41,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [205621141] [2021-11-12 23:11:41,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [205621141] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:11:41,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [735847419] [2021-11-12 23:11:41,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:11:41,492 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:11:41,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:11:41,493 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:11:41,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-11-12 23:11:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:11:47,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 8238 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:11:47,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:11:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 40692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40692 trivial. 0 not checked. [2021-11-12 23:11:49,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:11:52,550 INFO L134 CoverageAnalysis]: Checked inductivity of 40692 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40689 trivial. 0 not checked. [2021-11-12 23:11:52,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [735847419] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:11:52,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:11:52,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 7, 3] total 12 [2021-11-12 23:11:52,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422152519] [2021-11-12 23:11:52,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:11:52,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:11:52,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:11:52,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:11:52,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:11:52,555 INFO L87 Difference]: Start difference. First operand 10911 states and 16081 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (119), 2 states have call predecessors, (119), 2 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) [2021-11-12 23:11:53,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:11:53,992 INFO L93 Difference]: Finished difference Result 32167 states and 47380 transitions. [2021-11-12 23:11:53,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:11:53,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (119), 2 states have call predecessors, (119), 2 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) Word has length 1602 [2021-11-12 23:11:53,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:11:54,145 INFO L225 Difference]: With dead ends: 32167 [2021-11-12 23:11:54,145 INFO L226 Difference]: Without dead ends: 21466 [2021-11-12 23:11:54,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6404 GetRequests, 6394 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:11:54,205 INFO L933 BasicCegarLoop]: 8927 mSDtfsCounter, 8023 mSDsluCounter, 7803 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 783.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8023 SdHoareTripleChecker+Valid, 16730 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.69ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 913.10ms IncrementalHoareTripleChecker+Time [2021-11-12 23:11:54,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8023 Valid, 16730 Invalid, 38 Unknown, 0 Unchecked, 35.69ms Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 913.10ms Time] [2021-11-12 23:11:54,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21466 states. [2021-11-12 23:11:55,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21466 to 21453. [2021-11-12 23:11:55,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21453 states, 17419 states have (on average 1.4291865204661576) internal successors, (24895), 17594 states have internal predecessors, (24895), 3260 states have call successors, (3260), 770 states have call predecessors, (3260), 773 states have return successors, (3441), 3172 states have call predecessors, (3441), 3258 states have call successors, (3441) [2021-11-12 23:11:55,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21453 states to 21453 states and 31596 transitions. [2021-11-12 23:11:55,147 INFO L78 Accepts]: Start accepts. Automaton has 21453 states and 31596 transitions. Word has length 1602 [2021-11-12 23:11:55,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:11:55,150 INFO L470 AbstractCegarLoop]: Abstraction has 21453 states and 31596 transitions. [2021-11-12 23:11:55,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 2 states have call successors, (119), 2 states have call predecessors, (119), 2 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) [2021-11-12 23:11:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 21453 states and 31596 transitions. [2021-11-12 23:11:55,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1577 [2021-11-12 23:11:55,185 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:11:55,186 INFO L514 BasicCegarLoop]: trace histogram [72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 29, 29, 29, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:11:55,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:11:55,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:11:55,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:11:55,602 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:11:55,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:11:55,603 INFO L85 PathProgramCache]: Analyzing trace with hash 311186558, now seen corresponding path program 1 times [2021-11-12 23:11:55,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:11:55,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1461260929] [2021-11-12 23:11:55,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:11:55,620 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:11:55,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:11:55,621 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:11:55,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:12:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:31,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 8091 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:12:31,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:35,426 INFO L134 CoverageAnalysis]: Checked inductivity of 40685 backedges. 336 proven. 1 refuted. 0 times theorem prover too weak. 40348 trivial. 0 not checked. [2021-11-12 23:12:35,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:39,564 INFO L134 CoverageAnalysis]: Checked inductivity of 40685 backedges. 0 proven. 281 refuted. 0 times theorem prover too weak. 40404 trivial. 0 not checked. [2021-11-12 23:12:39,564 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:12:39,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1461260929] [2021-11-12 23:12:39,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1461260929] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:12:39,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [570554790] [2021-11-12 23:12:39,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:39,565 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:12:39,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:12:39,577 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:12:39,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-12 23:12:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:45,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 8091 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:12:45,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:47,882 INFO L134 CoverageAnalysis]: Checked inductivity of 40685 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40685 trivial. 0 not checked. [2021-11-12 23:12:47,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:50,783 INFO L134 CoverageAnalysis]: Checked inductivity of 40685 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40685 trivial. 0 not checked. [2021-11-12 23:12:50,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [570554790] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:50,784 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:12:50,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7, 7] total 12 [2021-11-12 23:12:50,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274684192] [2021-11-12 23:12:50,786 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:50,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:12:50,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:12:50,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:12:50,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:12:50,788 INFO L87 Difference]: Start difference. First operand 21453 states and 31596 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 2 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2021-11-12 23:12:52,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:52,431 INFO L93 Difference]: Finished difference Result 63505 states and 93526 transitions. [2021-11-12 23:12:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:12:52,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 2 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 1576 [2021-11-12 23:12:52,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:52,642 INFO L225 Difference]: With dead ends: 63505 [2021-11-12 23:12:52,642 INFO L226 Difference]: Without dead ends: 42262 [2021-11-12 23:12:52,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6300 GetRequests, 6290 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:12:52,703 INFO L933 BasicCegarLoop]: 8969 mSDtfsCounter, 7941 mSDsluCounter, 7830 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 609.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7941 SdHoareTripleChecker+Valid, 16799 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.85ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 733.10ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:52,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7941 Valid, 16799 Invalid, 11 Unknown, 0 Unchecked, 34.85ms Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 733.10ms Time] [2021-11-12 23:12:52,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42262 states. [2021-11-12 23:12:54,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42262 to 42245. [2021-11-12 23:12:54,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42245 states, 34441 states have (on average 1.432856188844691) internal successors, (49349), 34792 states have internal predecessors, (49349), 6258 states have call successors, (6258), 1538 states have call predecessors, (6258), 1545 states have return successors, (6614), 6082 states have call predecessors, (6614), 6256 states have call successors, (6614) [2021-11-12 23:12:54,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42245 states to 42245 states and 62221 transitions. [2021-11-12 23:12:54,393 INFO L78 Accepts]: Start accepts. Automaton has 42245 states and 62221 transitions. Word has length 1576 [2021-11-12 23:12:54,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:54,395 INFO L470 AbstractCegarLoop]: Abstraction has 42245 states and 62221 transitions. [2021-11-12 23:12:54,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 2 states have call successors, (116), 2 states have call predecessors, (116), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2021-11-12 23:12:54,396 INFO L276 IsEmpty]: Start isEmpty. Operand 42245 states and 62221 transitions. [2021-11-12 23:12:54,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1594 [2021-11-12 23:12:54,432 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:54,433 INFO L514 BasicCegarLoop]: trace histogram [72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 29, 29, 29, 29, 29, 29, 29, 29, 29, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:54,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:12:54,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:12:54,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:12:54,851 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:12:54,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:54,852 INFO L85 PathProgramCache]: Analyzing trace with hash 2002902384, now seen corresponding path program 1 times [2021-11-12 23:12:54,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:12:54,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866229744] [2021-11-12 23:12:54,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:54,862 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:12:54,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:12:54,863 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:12:54,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-12 23:13:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:31,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 8174 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:13:31,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:13:35,208 INFO L134 CoverageAnalysis]: Checked inductivity of 40693 backedges. 336 proven. 1 refuted. 0 times theorem prover too weak. 40356 trivial. 0 not checked. [2021-11-12 23:13:35,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:13:39,183 INFO L134 CoverageAnalysis]: Checked inductivity of 40693 backedges. 0 proven. 281 refuted. 0 times theorem prover too weak. 40412 trivial. 0 not checked. [2021-11-12 23:13:39,183 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:13:39,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1866229744] [2021-11-12 23:13:39,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1866229744] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:13:39,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1355409649] [2021-11-12 23:13:39,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:39,184 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:13:39,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:13:39,185 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:13:39,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-12 23:13:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:44,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 8174 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:13:44,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:13:47,329 INFO L134 CoverageAnalysis]: Checked inductivity of 40693 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40693 trivial. 0 not checked. [2021-11-12 23:13:47,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:13:50,259 INFO L134 CoverageAnalysis]: Checked inductivity of 40693 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40693 trivial. 0 not checked. [2021-11-12 23:13:50,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1355409649] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:50,259 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:13:50,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7, 7] total 12 [2021-11-12 23:13:50,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635925086] [2021-11-12 23:13:50,261 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:50,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:13:50,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:13:50,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:13:50,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:13:50,263 INFO L87 Difference]: Start difference. First operand 42245 states and 62221 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 2 states have call successors, (127), 2 states have call predecessors, (127), 2 states have return successors, (120), 2 states have call predecessors, (120), 2 states have call successors, (120) [2021-11-12 23:13:52,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:52,671 INFO L93 Difference]: Finished difference Result 125829 states and 185289 transitions. [2021-11-12 23:13:52,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:13:52,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 2 states have call successors, (127), 2 states have call predecessors, (127), 2 states have return successors, (120), 2 states have call predecessors, (120), 2 states have call successors, (120) Word has length 1593 [2021-11-12 23:13:52,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:53,168 INFO L225 Difference]: With dead ends: 125829 [2021-11-12 23:13:53,168 INFO L226 Difference]: Without dead ends: 83794 [2021-11-12 23:13:53,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6368 GetRequests, 6358 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:13:53,280 INFO L933 BasicCegarLoop]: 9041 mSDtfsCounter, 8024 mSDsluCounter, 7806 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 788.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8024 SdHoareTripleChecker+Valid, 16847 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.00ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 906.50ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:53,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8024 Valid, 16847 Invalid, 35 Unknown, 0 Unchecked, 30.00ms Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 906.50ms Time] [2021-11-12 23:13:53,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83794 states. [2021-11-12 23:13:55,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83794 to 83781. [2021-11-12 23:13:56,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83781 states, 68417 states have (on average 1.4335764502974406) internal successors, (98081), 69120 states have internal predecessors, (98081), 12290 states have call successors, (12290), 3058 states have call predecessors, (12290), 3073 states have return successors, (12988), 11938 states have call predecessors, (12988), 12288 states have call successors, (12988) [2021-11-12 23:13:56,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83781 states to 83781 states and 123359 transitions. [2021-11-12 23:13:56,744 INFO L78 Accepts]: Start accepts. Automaton has 83781 states and 123359 transitions. Word has length 1593 [2021-11-12 23:13:56,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:56,746 INFO L470 AbstractCegarLoop]: Abstraction has 83781 states and 123359 transitions. [2021-11-12 23:13:56,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 2 states have call successors, (127), 2 states have call predecessors, (127), 2 states have return successors, (120), 2 states have call predecessors, (120), 2 states have call successors, (120) [2021-11-12 23:13:56,747 INFO L276 IsEmpty]: Start isEmpty. Operand 83781 states and 123359 transitions. [2021-11-12 23:13:57,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1645 [2021-11-12 23:13:57,023 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:57,024 INFO L514 BasicCegarLoop]: trace histogram [74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 74, 29, 29, 29, 29, 29, 29, 29, 29, 29, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:57,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-12 23:13:57,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-12 23:13:57,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:13:57,425 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:13:57,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:57,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1432649262, now seen corresponding path program 1 times [2021-11-12 23:13:57,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:13:57,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [488536032] [2021-11-12 23:13:57,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:57,439 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:13:57,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:13:57,440 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:13:57,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-12 23:14:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:33,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 8257 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:14:33,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:14:37,374 INFO L134 CoverageAnalysis]: Checked inductivity of 42719 backedges. 2352 proven. 1 refuted. 0 times theorem prover too weak. 40366 trivial. 0 not checked. [2021-11-12 23:14:37,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:14:41,429 INFO L134 CoverageAnalysis]: Checked inductivity of 42719 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 42434 trivial. 0 not checked. [2021-11-12 23:14:41,429 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:14:41,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [488536032] [2021-11-12 23:14:41,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [488536032] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:14:41,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [300051135] [2021-11-12 23:14:41,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:41,430 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:14:41,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:14:41,433 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:14:41,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-12 23:14:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:46,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 8257 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:14:46,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:14:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 42719 backedges. 2016 proven. 0 refuted. 0 times theorem prover too weak. 40703 trivial. 0 not checked. [2021-11-12 23:14:49,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:14:52,963 INFO L134 CoverageAnalysis]: Checked inductivity of 42719 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 42715 trivial. 0 not checked. [2021-11-12 23:14:52,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [300051135] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:14:52,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:14:52,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 7, 3] total 12 [2021-11-12 23:14:52,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5624783] [2021-11-12 23:14:52,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:52,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:14:52,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:14:52,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:14:52,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:14:52,967 INFO L87 Difference]: Start difference. First operand 83781 states and 123359 transitions. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 2 states have call successors, (120), 2 states have call predecessors, (120), 2 states have return successors, (115), 2 states have call predecessors, (115), 2 states have call successors, (115) [2021-11-12 23:14:56,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:56,519 INFO L93 Difference]: Finished difference Result 245885 states and 361877 transitions. [2021-11-12 23:14:56,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:14:56,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 2 states have call successors, (120), 2 states have call predecessors, (120), 2 states have return successors, (115), 2 states have call predecessors, (115), 2 states have call successors, (115) Word has length 1644 [2021-11-12 23:14:56,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:57,384 INFO L225 Difference]: With dead ends: 245885 [2021-11-12 23:14:57,384 INFO L226 Difference]: Without dead ends: 162310 [2021-11-12 23:14:57,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6572 GetRequests, 6562 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-12 23:14:57,606 INFO L933 BasicCegarLoop]: 11057 mSDtfsCounter, 7862 mSDsluCounter, 7803 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 683.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7862 SdHoareTripleChecker+Valid, 18860 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.34ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 794.39ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:57,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7862 Valid, 18860 Invalid, 38 Unknown, 0 Unchecked, 22.34ms Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 794.39ms Time] [2021-11-12 23:14:57,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162310 states. [2021-11-12 23:15:01,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162310 to 162269. [2021-11-12 23:15:01,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162269 states, 133111 states have (on average 1.4363801639233422) internal successors, (191198), 134440 states have internal predecessors, (191198), 23164 states have call successors, (23164), 5964 states have call predecessors, (23164), 5993 states have return successors, (24407), 22502 states have call predecessors, (24407), 23162 states have call successors, (24407) [2021-11-12 23:15:02,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162269 states to 162269 states and 238769 transitions. [2021-11-12 23:15:02,856 INFO L78 Accepts]: Start accepts. Automaton has 162269 states and 238769 transitions. Word has length 1644 [2021-11-12 23:15:02,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:15:02,858 INFO L470 AbstractCegarLoop]: Abstraction has 162269 states and 238769 transitions. [2021-11-12 23:15:02,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 2 states have call successors, (120), 2 states have call predecessors, (120), 2 states have return successors, (115), 2 states have call predecessors, (115), 2 states have call successors, (115) [2021-11-12 23:15:02,859 INFO L276 IsEmpty]: Start isEmpty. Operand 162269 states and 238769 transitions. [2021-11-12 23:15:03,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2411 [2021-11-12 23:15:03,302 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:15:03,304 INFO L514 BasicCegarLoop]: trace histogram [118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 29, 29, 29, 29, 29, 29, 29, 29, 29, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:15:03,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-11-12 23:15:03,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-12 23:15:03,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:15:03,730 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:15:03,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:15:03,731 INFO L85 PathProgramCache]: Analyzing trace with hash 509999724, now seen corresponding path program 1 times [2021-11-12 23:15:03,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:15:03,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405551669] [2021-11-12 23:15:03,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:15:03,746 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:15:03,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:15:03,747 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:15:03,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-12 23:15:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:15:40,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 10374 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:15:40,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:15:48,307 INFO L134 CoverageAnalysis]: Checked inductivity of 101558 backedges. 46704 proven. 1 refuted. 0 times theorem prover too weak. 54853 trivial. 0 not checked. [2021-11-12 23:15:48,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:15:54,114 INFO L134 CoverageAnalysis]: Checked inductivity of 101558 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 101274 trivial. 0 not checked. [2021-11-12 23:15:54,114 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:15:54,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [405551669] [2021-11-12 23:15:54,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [405551669] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:15:54,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2144254416] [2021-11-12 23:15:54,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:15:54,116 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:15:54,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:15:54,128 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:15:54,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e145b8e-3de9-4b9c-951d-7528c38e5bae/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-11-12 23:15:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:16:00,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 10374 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:16:00,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:16:05,131 INFO L134 CoverageAnalysis]: Checked inductivity of 101558 backedges. 16486 proven. 0 refuted. 0 times theorem prover too weak. 85072 trivial. 0 not checked. [2021-11-12 23:16:05,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:16:09,716 INFO L134 CoverageAnalysis]: Checked inductivity of 101558 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 101547 trivial. 0 not checked. [2021-11-12 23:16:09,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2144254416] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:16:09,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:16:09,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 7, 3] total 13 [2021-11-12 23:16:09,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391492884] [2021-11-12 23:16:09,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:16:09,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:16:09,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:16:09,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:16:09,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:16:09,721 INFO L87 Difference]: Start difference. First operand 162269 states and 238769 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 3 states have call successors, (167), 3 states have call predecessors, (167), 3 states have return successors, (162), 3 states have call predecessors, (162), 3 states have call successors, (162) [2021-11-12 23:16:12,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:16:17,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:16:17,032 INFO L93 Difference]: Finished difference Result 406901 states and 598763 transitions. [2021-11-12 23:16:17,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:16:17,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 3 states have call successors, (167), 3 states have call predecessors, (167), 3 states have return successors, (162), 3 states have call predecessors, (162), 3 states have call successors, (162) Word has length 2410 [2021-11-12 23:16:17,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:16:18,236 INFO L225 Difference]: With dead ends: 406901 [2021-11-12 23:16:18,236 INFO L226 Difference]: Without dead ends: 244842 [2021-11-12 23:16:18,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9636 GetRequests, 9625 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:16:18,503 INFO L933 BasicCegarLoop]: 13792 mSDtfsCounter, 7729 mSDsluCounter, 8066 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2718.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7729 SdHoareTripleChecker+Valid, 21858 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.54ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2841.55ms IncrementalHoareTripleChecker+Time [2021-11-12 23:16:18,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7729 Valid, 21858 Invalid, 60 Unknown, 0 Unchecked, 22.54ms Time], IncrementalHoareTripleChecker [15 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 2841.55ms Time] [2021-11-12 23:16:18,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244842 states. [2021-11-12 23:16:24,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244842 to 244825. [2021-11-12 23:16:24,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244825 states, 200803 states have (on average 1.4358849220380174) internal successors, (288330), 202836 states have internal predecessors, (288330), 34956 states have call successors, (34956), 9020 states have call predecessors, (34956), 9065 states have return successors, (36811), 33942 states have call predecessors, (36811), 34954 states have call successors, (36811)