./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.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_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/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_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/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_a5795d74-3af0-4768-88a7-8ee03274f70d/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 e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:33:00,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:33:00,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:33:00,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:33:00,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:33:00,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:33:00,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:33:00,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:33:00,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:33:00,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:33:00,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:33:00,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:33:00,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:33:00,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:33:00,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:33:00,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:33:00,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:33:00,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:33:00,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:33:00,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:33:00,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:33:00,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:33:00,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:33:00,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:33:00,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:33:00,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:33:00,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:33:00,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:33:00,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:33:00,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:33:00,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:33:00,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:33:00,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:33:00,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:33:00,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:33:00,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:33:00,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:33:00,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:33:00,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:33:00,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:33:00,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:33:00,838 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:33:00,879 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:33:00,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:33:00,881 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:33:00,881 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:33:00,882 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:33:00,882 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:33:00,882 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:33:00,882 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:33:00,883 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:33:00,883 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:33:00,884 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:33:00,884 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:33:00,885 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:33:00,885 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:33:00,885 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:33:00,885 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:33:00,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:33:00,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:33:00,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:33:00,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:33:00,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:33:00,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:33:00,888 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:33:00,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:33:00,888 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:33:00,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:33:00,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:33:00,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:33:00,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:33:00,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:33:00,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:33:00,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:33:00,892 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:33:00,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:33:00,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:33:00,893 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:33:00,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:33:00,893 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_a5795d74-3af0-4768-88a7-8ee03274f70d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 [2021-11-12 23:33:01,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:33:01,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:33:01,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:33:01,206 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:33:01,207 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:33:01,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-12 23:33:01,289 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/data/0c2ecb0bc/1f983faa9e0d41dfb67abb237bcd6cc4/FLAGf882877a5 [2021-11-12 23:33:02,562 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:33:02,564 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-12 23:33:02,673 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/data/0c2ecb0bc/1f983faa9e0d41dfb67abb237bcd6cc4/FLAGf882877a5 [2021-11-12 23:33:03,154 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/data/0c2ecb0bc/1f983faa9e0d41dfb67abb237bcd6cc4 [2021-11-12 23:33:03,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:33:03,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:33:03,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:33:03,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:33:03,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:33:03,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:33:03" (1/1) ... [2021-11-12 23:33:03,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11962f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:03, skipping insertion in model container [2021-11-12 23:33:03,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:33:03" (1/1) ... [2021-11-12 23:33:03,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:33:03,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:33:04,857 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:04,865 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 23:33:05,132 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:05,229 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 23:33:05,270 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:05,305 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:05,501 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:05,538 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:05,625 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:05,646 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:05,655 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:05,675 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,090 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,091 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 23:33:06,091 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 23:33:06,093 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,093 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,094 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,097 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,098 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,109 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,109 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,113 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,113 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,116 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,123 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,128 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 23:33:06,128 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 23:33:06,129 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,139 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,423 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,431 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,446 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,454 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,462 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,469 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,855 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,858 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,955 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 23:33:06,956 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,966 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,977 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,979 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,981 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,982 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,982 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,983 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,984 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,986 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 23:33:06,986 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 23:33:06,988 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,990 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,994 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,995 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,996 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:06,998 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,000 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,001 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,002 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,002 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,004 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,008 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 23:33:07,009 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 23:33:07,009 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 23:33:07,011 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,012 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,013 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,014 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,014 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,015 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 23:33:07,016 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,017 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 23:33:07,018 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 23:33:07,019 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 23:33:07,019 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 23:33:07,040 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,041 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 23:33:07,051 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,079 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,080 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,081 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,082 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,097 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,106 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,163 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,164 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,164 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,166 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,303 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,350 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,352 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 23:33:07,353 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 23:33:07,354 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 23:33:07,354 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 23:33:07,355 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,355 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,355 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,365 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 23:33:07,366 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,366 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,367 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 23:33:07,367 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 23:33:07,368 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 23:33:07,368 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 23:33:07,446 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,587 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,948 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,981 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:07,982 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:08,011 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:08,142 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:08,212 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:08,212 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:08,220 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:08,239 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:08,240 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:08,241 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:08,347 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:08,356 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:33:08,560 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580326,580339] [2021-11-12 23:33:08,563 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580473,580486] [2021-11-12 23:33:08,564 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580612,580625] [2021-11-12 23:33:08,564 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580770,580783] [2021-11-12 23:33:08,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:33:08,772 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 23:33:08,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3359e1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:08, skipping insertion in model container [2021-11-12 23:33:08,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:33:08,773 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:33:08,776 INFO L158 Benchmark]: Toolchain (without parser) took 5615.58ms. Allocated memory was 121.6MB in the beginning and 190.8MB in the end (delta: 69.2MB). Free memory was 62.6MB in the beginning and 107.8MB in the end (delta: -45.2MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2021-11-12 23:33:08,777 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory was 56.7MB in the beginning and 56.7MB in the end (delta: 24.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:33:08,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5611.18ms. Allocated memory was 121.6MB in the beginning and 190.8MB in the end (delta: 69.2MB). Free memory was 62.2MB in the beginning and 107.8MB in the end (delta: -45.5MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2021-11-12 23:33:08,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory was 56.7MB in the beginning and 56.7MB in the end (delta: 24.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5611.18ms. Allocated memory was 121.6MB in the beginning and 190.8MB in the end (delta: 69.2MB). Free memory was 62.2MB in the beginning and 107.8MB in the end (delta: -45.5MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5825]: 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_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/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_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/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_a5795d74-3af0-4768-88a7-8ee03274f70d/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 e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:33:11,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:33:11,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:33:11,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:33:11,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:33:11,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:33:11,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:33:11,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:33:11,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:33:11,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:33:11,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:33:11,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:33:11,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:33:11,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:33:11,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:33:11,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:33:11,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:33:11,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:33:11,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:33:11,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:33:11,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:33:11,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:33:11,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:33:11,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:33:11,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:33:11,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:33:11,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:33:11,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:33:11,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:33:11,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:33:11,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:33:11,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:33:11,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:33:11,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:33:11,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:33:11,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:33:11,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:33:11,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:33:11,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:33:11,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:33:11,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:33:11,341 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:33:11,387 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:33:11,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:33:11,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:33:11,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:33:11,389 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:33:11,389 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:33:11,390 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:33:11,390 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:33:11,390 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:33:11,390 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:33:11,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:33:11,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:33:11,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:33:11,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:33:11,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:33:11,394 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:33:11,394 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:33:11,394 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:33:11,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:33:11,395 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:33:11,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:33:11,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:33:11,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:33:11,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:33:11,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:33:11,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:33:11,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:33:11,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:33:11,397 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:33:11,397 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:33:11,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:33:11,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:33:11,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:33:11,398 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_a5795d74-3af0-4768-88a7-8ee03274f70d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 [2021-11-12 23:33:11,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:33:11,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:33:11,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:33:11,782 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:33:11,783 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:33:11,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-12 23:33:11,853 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/data/835d656b7/182b4110c7304f13a586c60471cce22c/FLAGc6666e3b6 [2021-11-12 23:33:13,157 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:33:13,158 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-12 23:33:13,235 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/data/835d656b7/182b4110c7304f13a586c60471cce22c/FLAGc6666e3b6 [2021-11-12 23:33:13,378 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/data/835d656b7/182b4110c7304f13a586c60471cce22c [2021-11-12 23:33:13,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:33:13,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:33:13,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:33:13,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:33:13,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:33:13,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:33:13" (1/1) ... [2021-11-12 23:33:13,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4260ace9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:13, skipping insertion in model container [2021-11-12 23:33:13,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:33:13" (1/1) ... [2021-11-12 23:33:13,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:33:13,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:33:18,978 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580326,580339] [2021-11-12 23:33:18,982 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580473,580486] [2021-11-12 23:33:18,983 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580612,580625] [2021-11-12 23:33:18,984 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580770,580783] [2021-11-12 23:33:19,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:33:19,169 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:33:19,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:33:19,885 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580326,580339] [2021-11-12 23:33:19,886 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580473,580486] [2021-11-12 23:33:19,886 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580612,580625] [2021-11-12 23:33:19,890 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580770,580783] [2021-11-12 23:33:19,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:33:19,980 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:33:20,920 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580326,580339] [2021-11-12 23:33:20,933 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580473,580486] [2021-11-12 23:33:20,935 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580612,580625] [2021-11-12 23:33:20,939 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580770,580783] [2021-11-12 23:33:20,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:33:21,497 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:33:21,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:21 WrapperNode [2021-11-12 23:33:21,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:33:21,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:33:21,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:33:21,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:33:21,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:21" (1/1) ... [2021-11-12 23:33:21,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:21" (1/1) ... [2021-11-12 23:33:22,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:33:22,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:33:22,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:33:22,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:33:22,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:21" (1/1) ... [2021-11-12 23:33:22,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:21" (1/1) ... [2021-11-12 23:33:22,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:21" (1/1) ... [2021-11-12 23:33:22,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:21" (1/1) ... [2021-11-12 23:33:22,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:21" (1/1) ... [2021-11-12 23:33:22,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:21" (1/1) ... [2021-11-12 23:33:22,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:21" (1/1) ... [2021-11-12 23:33:22,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:33:22,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:33:22,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:33:22,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:33:22,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:21" (1/1) ... [2021-11-12 23:33:22,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:33:22,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:33:22,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:33:22,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:33:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-12 23:33:22,967 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-12 23:33:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-12 23:33:22,968 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-12 23:33:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:33:22,968 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:33:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:33:22,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:33:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2021-11-12 23:33:22,969 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2021-11-12 23:33:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2021-11-12 23:33:22,969 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2021-11-12 23:33:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2021-11-12 23:33:22,970 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2021-11-12 23:33:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2021-11-12 23:33:22,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2021-11-12 23:33:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2021-11-12 23:33:22,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2021-11-12 23:33:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2021-11-12 23:33:22,971 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2021-11-12 23:33:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-12 23:33:22,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-12 23:33:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-12 23:33:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2021-11-12 23:33:22,972 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2021-11-12 23:33:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2021-11-12 23:33:22,972 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2021-11-12 23:33:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2021-11-12 23:33:22,973 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2021-11-12 23:33:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2021-11-12 23:33:22,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2021-11-12 23:33:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 23:33:22,973 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 23:33:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-12 23:33:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2021-11-12 23:33:22,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2021-11-12 23:33:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2021-11-12 23:33:22,975 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2021-11-12 23:33:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:33:22,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:33:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-12 23:33:22,976 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-12 23:33:22,976 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 23:33:22,977 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 23:33:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:33:22,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:33:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-12 23:33:22,978 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-12 23:33:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-11-12 23:33:22,978 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-11-12 23:33:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:33:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 23:33:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:33:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:33:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:33:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2021-11-12 23:33:22,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2021-11-12 23:33:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2021-11-12 23:33:22,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2021-11-12 23:33:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2021-11-12 23:33:22,982 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2021-11-12 23:33:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-12 23:33:22,982 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-12 23:33:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-12 23:33:22,982 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-12 23:33:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2021-11-12 23:33:22,983 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2021-11-12 23:33:22,983 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-12 23:33:22,983 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-12 23:33:22,983 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2021-11-12 23:33:22,983 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2021-11-12 23:33:22,983 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2021-11-12 23:33:22,984 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2021-11-12 23:33:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 23:33:22,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 23:33:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2021-11-12 23:33:22,985 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2021-11-12 23:33:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2021-11-12 23:33:22,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2021-11-12 23:33:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:33:22,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:33:22,986 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2021-11-12 23:33:22,986 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2021-11-12 23:33:22,987 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2021-11-12 23:33:22,987 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2021-11-12 23:33:22,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-12 23:33:22,987 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-12 23:33:22,987 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-11-12 23:33:22,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-11-12 23:33:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:33:22,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:33:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 23:33:22,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 23:33:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-12 23:33:22,988 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-12 23:33:22,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:33:22,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:33:22,989 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2021-11-12 23:33:22,989 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2021-11-12 23:33:22,989 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-11-12 23:33:22,990 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-11-12 23:33:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2021-11-12 23:33:22,990 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2021-11-12 23:33:22,991 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-12 23:33:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-12 23:33:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-12 23:33:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-11-12 23:33:22,995 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-11-12 23:33:22,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:33:22,997 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-12 23:33:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-12 23:33:22,997 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2021-11-12 23:33:22,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2021-11-12 23:33:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2021-11-12 23:33:23,003 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2021-11-12 23:33:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:33:23,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:33:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:33:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 23:33:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:33:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:33:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2021-11-12 23:33:23,005 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2021-11-12 23:33:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:33:23,005 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2021-11-12 23:33:23,005 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2021-11-12 23:33:23,006 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-12 23:33:23,006 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-12 23:33:23,006 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2021-11-12 23:33:23,006 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2021-11-12 23:33:23,006 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2021-11-12 23:33:23,006 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2021-11-12 23:33:23,006 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2021-11-12 23:33:23,007 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2021-11-12 23:33:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2021-11-12 23:33:23,007 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2021-11-12 23:33:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2021-11-12 23:33:23,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2021-11-12 23:33:23,007 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2021-11-12 23:33:23,008 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2021-11-12 23:33:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:33:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:33:23,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:33:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:33:23,008 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-12 23:33:23,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-12 23:33:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:33:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:33:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:33:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:33:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:33:23,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:33:23,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:33:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-11-12 23:33:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-11-12 23:33:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2021-11-12 23:33:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2021-11-12 23:33:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-12 23:33:23,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-12 23:33:23,010 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2021-11-12 23:33:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2021-11-12 23:33:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-11-12 23:33:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-11-12 23:33:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-12 23:33:23,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-12 23:33:23,011 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2021-11-12 23:33:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2021-11-12 23:33:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-11-12 23:33:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-11-12 23:33:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2021-11-12 23:33:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2021-11-12 23:33:23,012 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-11-12 23:33:23,012 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-11-12 23:33:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-12 23:33:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-12 23:33:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2021-11-12 23:33:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2021-11-12 23:33:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2021-11-12 23:33:23,013 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2021-11-12 23:33:23,013 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2021-11-12 23:33:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2021-11-12 23:33:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:33:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:33:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2021-11-12 23:33:23,014 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2021-11-12 23:33:23,014 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-11-12 23:33:23,015 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-11-12 23:33:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2021-11-12 23:33:23,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2021-11-12 23:33:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2021-11-12 23:33:23,015 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2021-11-12 23:33:23,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-12 23:33:23,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-12 23:33:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-12 23:33:23,016 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-12 23:33:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2021-11-12 23:33:23,016 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2021-11-12 23:33:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2021-11-12 23:33:23,016 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2021-11-12 23:33:23,016 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-12 23:33:23,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-12 23:33:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2021-11-12 23:33:23,017 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2021-11-12 23:33:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2021-11-12 23:33:23,017 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2021-11-12 23:33:23,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:33:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 23:33:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 23:33:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2021-11-12 23:33:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2021-11-12 23:33:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:33:23,018 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2021-11-12 23:33:23,018 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2021-11-12 23:33:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2021-11-12 23:33:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2021-11-12 23:33:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-11-12 23:33:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-11-12 23:33:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2021-11-12 23:33:23,019 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2021-11-12 23:33:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:33:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:33:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:33:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:33:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:33:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-12 23:33:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-12 23:33:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-12 23:33:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-12 23:33:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-12 23:33:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-12 23:33:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-12 23:33:23,022 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-12 23:33:23,026 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2021-11-12 23:33:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2021-11-12 23:33:23,026 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-12 23:33:23,026 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-12 23:33:23,026 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-12 23:33:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-12 23:33:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2021-11-12 23:33:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2021-11-12 23:33:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:33:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:33:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2021-11-12 23:33:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2021-11-12 23:33:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-12 23:33:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-12 23:33:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 23:33:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 23:33:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-12 23:33:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-12 23:33:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2021-11-12 23:33:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2021-11-12 23:33:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2021-11-12 23:33:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2021-11-12 23:33:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2021-11-12 23:33:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2021-11-12 23:33:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2021-11-12 23:33:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2021-11-12 23:33:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-12 23:33:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-12 23:33:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:33:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:33:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2021-11-12 23:33:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2021-11-12 23:33:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2021-11-12 23:33:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2021-11-12 23:33:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:33:23,033 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:33:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:33:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:33:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:33:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:33:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:33:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:33:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-11-12 23:33:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-11-12 23:33:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2021-11-12 23:33:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2021-11-12 23:33:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-12 23:33:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-12 23:33:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2021-11-12 23:33:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2021-11-12 23:33:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-12 23:33:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-12 23:33:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2021-11-12 23:33:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2021-11-12 23:33:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2021-11-12 23:33:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2021-11-12 23:33:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2021-11-12 23:33:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2021-11-12 23:33:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2021-11-12 23:33:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2021-11-12 23:33:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2021-11-12 23:33:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2021-11-12 23:33:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-11-12 23:33:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-11-12 23:33:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-12 23:33:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-12 23:33:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2021-11-12 23:33:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2021-11-12 23:33:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-11-12 23:33:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-11-12 23:33:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-12 23:33:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-12 23:33:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2021-11-12 23:33:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2021-11-12 23:33:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2021-11-12 23:33:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2021-11-12 23:33:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:33:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:33:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2021-11-12 23:33:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2021-11-12 23:33:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2021-11-12 23:33:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2021-11-12 23:33:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2021-11-12 23:33:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2021-11-12 23:33:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2021-11-12 23:33:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2021-11-12 23:33:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2021-11-12 23:33:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2021-11-12 23:33:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2021-11-12 23:33:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2021-11-12 23:33:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2021-11-12 23:33:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2021-11-12 23:33:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-11-12 23:33:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-11-12 23:33:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2021-11-12 23:33:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2021-11-12 23:33:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 23:33:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 23:33:24,745 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:33:27,042 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10812: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-12 23:33:27,042 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10816: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-12 23:33:27,042 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10870: __copy_to_user_nocheck_~tmp___1~16#1 := __copy_to_user_nocheck_#t~ret1184#1;havoc __copy_to_user_nocheck_#t~ret1184#1; [2021-11-12 23:33:27,043 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10858: assume 0bv64 != __copy_to_user_nocheck_~tmp___0~26#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-12 23:33:27,043 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10858: assume !(0bv64 != __copy_to_user_nocheck_~tmp___0~26#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-12 23:33:27,043 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10835: SUMMARY for call __copy_to_user_nocheck_#t~ret1185#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2021-11-12 23:33:27,043 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10872: assume 0bv64 != __copy_to_user_nocheck_~tmp___1~16#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-12 23:33:27,043 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10872: assume !(0bv64 != __copy_to_user_nocheck_~tmp___1~16#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-12 23:33:27,043 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume 10bv32 == __copy_to_user_nocheck_~size#1; [2021-11-12 23:33:27,043 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume !(10bv32 == __copy_to_user_nocheck_~size#1); [2021-11-12 23:33:27,043 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume 16bv32 == __copy_to_user_nocheck_~size#1; [2021-11-12 23:33:27,044 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume !(16bv32 == __copy_to_user_nocheck_~size#1); [2021-11-12 23:33:27,044 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1bv32 == __copy_to_user_nocheck_~size#1; [2021-11-12 23:33:27,044 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume 4bv32 == __copy_to_user_nocheck_~size#1; [2021-11-12 23:33:27,044 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume !(4bv32 == __copy_to_user_nocheck_~size#1); [2021-11-12 23:33:27,044 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10856: __copy_to_user_nocheck_~tmp___0~26#1 := __copy_to_user_nocheck_#t~ret1183#1;havoc __copy_to_user_nocheck_#t~ret1183#1; [2021-11-12 23:33:27,044 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1bv32 == __copy_to_user_nocheck_~size#1); [2021-11-12 23:33:27,044 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume 8bv32 == __copy_to_user_nocheck_~size#1; [2021-11-12 23:33:27,044 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume !(8bv32 == __copy_to_user_nocheck_~size#1); [2021-11-12 23:33:27,044 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume 2bv32 == __copy_to_user_nocheck_~size#1; [2021-11-12 23:33:27,044 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume !(2bv32 == __copy_to_user_nocheck_~size#1); [2021-11-12 23:33:27,045 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10828: SUMMARY for call __copy_to_user_nocheck_#t~ret1183#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_to_user_nocheck_~ret~18#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-12 23:33:27,045 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10832: SUMMARY for call __copy_to_user_nocheck_#t~ret1184#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_to_user_nocheck_~ret~18#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-12 23:33:27,045 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10820: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-12 23:33:27,045 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: __copy_to_user_nocheck_~tmp___2~11#1 := __copy_to_user_nocheck_#t~ret1185#1;havoc __copy_to_user_nocheck_#t~ret1185#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~tmp___2~11#1[32:0]; [2021-11-12 23:33:27,045 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10824: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-12 23:34:04,344 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10779: __copy_from_user_nocheck_~tmp___2~10#1 := __copy_from_user_nocheck_#t~ret1180#1;havoc __copy_from_user_nocheck_#t~ret1180#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~tmp___2~10#1[32:0]; [2021-11-12 23:34:04,344 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10767: __copy_from_user_nocheck_~tmp___1~15#1 := __copy_from_user_nocheck_#t~ret1179#1;havoc __copy_from_user_nocheck_#t~ret1179#1; [2021-11-12 23:34:04,345 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume 16bv32 == __copy_from_user_nocheck_~size#1; [2021-11-12 23:34:04,345 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume !(16bv32 == __copy_from_user_nocheck_~size#1); [2021-11-12 23:34:04,345 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10726: SUMMARY for call __copy_from_user_nocheck_#t~ret1180#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2021-11-12 23:34:04,345 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume 8bv32 == __copy_from_user_nocheck_~size#1; [2021-11-12 23:34:04,346 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume !(8bv32 == __copy_from_user_nocheck_~size#1); [2021-11-12 23:34:04,346 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume 10bv32 == __copy_from_user_nocheck_~size#1; [2021-11-12 23:34:04,346 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume !(10bv32 == __copy_from_user_nocheck_~size#1); [2021-11-12 23:34:04,346 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume 2bv32 == __copy_from_user_nocheck_~size#1; [2021-11-12 23:34:04,346 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume !(2bv32 == __copy_from_user_nocheck_~size#1); [2021-11-12 23:34:04,347 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume 4bv32 == __copy_from_user_nocheck_~size#1; [2021-11-12 23:34:04,347 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume !(4bv32 == __copy_from_user_nocheck_~size#1); [2021-11-12 23:34:04,347 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10723: SUMMARY for call __copy_from_user_nocheck_#t~ret1179#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_nocheck_~ret~17#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-12 23:34:04,347 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10715: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-12 23:34:04,348 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10752: __copy_from_user_nocheck_~tmp___0~25#1 := __copy_from_user_nocheck_#t~ret1178#1;havoc __copy_from_user_nocheck_#t~ret1178#1; [2021-11-12 23:34:04,348 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10719: SUMMARY for call __copy_from_user_nocheck_#t~ret1178#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_nocheck_~ret~17#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-12 23:34:04,348 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10707: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-12 23:34:04,348 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10711: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-12 23:34:04,348 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10769: assume 0bv64 != __copy_from_user_nocheck_~tmp___1~15#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-12 23:34:04,349 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10769: assume !(0bv64 != __copy_from_user_nocheck_~tmp___1~15#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-12 23:34:04,349 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10703: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-12 23:34:04,349 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1bv32 == __copy_from_user_nocheck_~size#1; [2021-11-12 23:34:04,349 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1bv32 == __copy_from_user_nocheck_~size#1); [2021-11-12 23:34:04,350 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10754: assume 0bv64 != __copy_from_user_nocheck_~tmp___0~25#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-12 23:34:04,350 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10754: assume !(0bv64 != __copy_from_user_nocheck_~tmp___0~25#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-12 23:41:51,206 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:41:51,207 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-12 23:41:51,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:41:51 BoogieIcfgContainer [2021-11-12 23:41:51,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:41:51,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:41:51,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:41:51,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:41:51,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:33:13" (1/3) ... [2021-11-12 23:41:51,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28edda40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:41:51, skipping insertion in model container [2021-11-12 23:41:51,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:33:21" (2/3) ... [2021-11-12 23:41:51,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28edda40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:41:51, skipping insertion in model container [2021-11-12 23:41:51,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:41:51" (3/3) ... [2021-11-12 23:41:51,222 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-12 23:41:51,228 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:41:51,228 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-12 23:41:51,294 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:41:51,300 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 23:41:51,300 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-12 23:41:51,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 2915 states, 2179 states have (on average 1.362092703074805) internal successors, (2968), 2222 states have internal predecessors, (2968), 584 states have call successors, (584), 148 states have call predecessors, (584), 147 states have return successors, (577), 568 states have call predecessors, (577), 577 states have call successors, (577) [2021-11-12 23:41:51,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-12 23:41:51,389 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:51,390 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:41:51,391 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:41:51,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:51,396 INFO L85 PathProgramCache]: Analyzing trace with hash -310133128, now seen corresponding path program 1 times [2021-11-12 23:41:51,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:51,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [257867006] [2021-11-12 23:41:51,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:51,437 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:51,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:51,441 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:51,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:42:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:17,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 7048 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-12 23:42:17,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:19,758 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:42:19,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:22,798 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:42:22,799 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:42:22,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [257867006] [2021-11-12 23:42:22,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [257867006] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:42:22,801 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:42:22,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 15 [2021-11-12 23:42:22,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239367458] [2021-11-12 23:42:22,804 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:42:22,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-12 23:42:22,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:42:22,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-12 23:42:22,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-11-12 23:42:22,845 INFO L87 Difference]: Start difference. First operand has 2915 states, 2179 states have (on average 1.362092703074805) internal successors, (2968), 2222 states have internal predecessors, (2968), 584 states have call successors, (584), 148 states have call predecessors, (584), 147 states have return successors, (577), 568 states have call predecessors, (577), 577 states have call successors, (577) Second operand has 15 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 6 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2021-11-12 23:42:33,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:33,525 INFO L93 Difference]: Finished difference Result 5756 states and 8152 transitions. [2021-11-12 23:42:33,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-12 23:42:33,528 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 6 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 75 [2021-11-12 23:42:33,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:33,586 INFO L225 Difference]: With dead ends: 5756 [2021-11-12 23:42:33,586 INFO L226 Difference]: Without dead ends: 3348 [2021-11-12 23:42:33,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:42:33,615 INFO L933 BasicCegarLoop]: 4478 mSDtfsCounter, 2198 mSDsluCounter, 51416 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 706 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8160.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2334 SdHoareTripleChecker+Valid, 55894 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 185.37ms SdHoareTripleChecker+Time, 706 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8403.57ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:33,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2334 Valid, 55894 Invalid, 1214 Unknown, 0 Unchecked, 185.37ms Time], IncrementalHoareTripleChecker [706 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 8403.57ms Time] [2021-11-12 23:42:33,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3348 states. [2021-11-12 23:42:33,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3348 to 2898. [2021-11-12 23:42:33,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2898 states, 2169 states have (on average 1.3490087597971416) internal successors, (2926), 2206 states have internal predecessors, (2926), 579 states have call successors, (579), 147 states have call predecessors, (579), 146 states have return successors, (577), 568 states have call predecessors, (577), 577 states have call successors, (577) [2021-11-12 23:42:33,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2898 states and 4082 transitions. [2021-11-12 23:42:33,948 INFO L78 Accepts]: Start accepts. Automaton has 2898 states and 4082 transitions. Word has length 75 [2021-11-12 23:42:33,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:33,949 INFO L470 AbstractCegarLoop]: Abstraction has 2898 states and 4082 transitions. [2021-11-12 23:42:33,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 6 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2021-11-12 23:42:33,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2898 states and 4082 transitions. [2021-11-12 23:42:33,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-12 23:42:33,962 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:33,963 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:34,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:34,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:42:34,177 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:42:34,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:34,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1819177629, now seen corresponding path program 1 times [2021-11-12 23:42:34,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:42:34,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034708837] [2021-11-12 23:42:34,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:34,198 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:42:34,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:42:34,200 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:42:34,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:42:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:59,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 7054 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:42:59,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:43:02,254 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-12 23:43:02,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:43:03,389 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-12 23:43:03,389 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:43:03,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1034708837] [2021-11-12 23:43:03,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1034708837] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:43:03,390 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:43:03,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-12 23:43:03,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006678395] [2021-11-12 23:43:03,391 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:43:03,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:43:03,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:43:03,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:43:03,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:43:03,394 INFO L87 Difference]: Start difference. First operand 2898 states and 4082 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 23:43:04,942 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:43:06,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:43:06,113 INFO L93 Difference]: Finished difference Result 8589 states and 12090 transitions. [2021-11-12 23:43:06,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:43:06,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 80 [2021-11-12 23:43:06,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:43:06,157 INFO L225 Difference]: With dead ends: 8589 [2021-11-12 23:43:06,157 INFO L226 Difference]: Without dead ends: 4947 [2021-11-12 23:43:06,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:43:06,178 INFO L933 BasicCegarLoop]: 6591 mSDtfsCounter, 4003 mSDsluCounter, 17164 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2002.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4003 SdHoareTripleChecker+Valid, 23755 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 55.85ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2151.83ms IncrementalHoareTripleChecker+Time [2021-11-12 23:43:06,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4003 Valid, 23755 Invalid, 30 Unknown, 0 Unchecked, 55.85ms Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 2151.83ms Time] [2021-11-12 23:43:06,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4947 states. [2021-11-12 23:43:06,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4947 to 4941. [2021-11-12 23:43:06,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4941 states, 3738 states have (on average 1.3600856072766185) internal successors, (5084), 3790 states have internal predecessors, (5084), 938 states have call successors, (938), 263 states have call predecessors, (938), 261 states have return successors, (936), 920 states have call predecessors, (936), 934 states have call successors, (936) [2021-11-12 23:43:06,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4941 states to 4941 states and 6958 transitions. [2021-11-12 23:43:06,480 INFO L78 Accepts]: Start accepts. Automaton has 4941 states and 6958 transitions. Word has length 80 [2021-11-12 23:43:06,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:43:06,482 INFO L470 AbstractCegarLoop]: Abstraction has 4941 states and 6958 transitions. [2021-11-12 23:43:06,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 23:43:06,483 INFO L276 IsEmpty]: Start isEmpty. Operand 4941 states and 6958 transitions. [2021-11-12 23:43:06,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-12 23:43:06,495 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:43:06,495 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:43:06,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:43:06,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:43:06,696 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:43:06,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:43:06,697 INFO L85 PathProgramCache]: Analyzing trace with hash -737284714, now seen corresponding path program 1 times [2021-11-12 23:43:06,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:43:06,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889793824] [2021-11-12 23:43:06,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:43:06,717 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:43:06,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:43:06,718 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:43:06,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:43:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:43:32,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 7394 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-12 23:43:32,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:43:41,420 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2021-11-12 23:43:41,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:43:52,221 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-11-12 23:43:52,221 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:43:52,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1889793824] [2021-11-12 23:43:52,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1889793824] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:43:52,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:43:52,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [10] total 24 [2021-11-12 23:43:52,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7155915] [2021-11-12 23:43:52,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:43:52,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-12 23:43:52,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:43:52,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-12 23:43:52,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2021-11-12 23:43:52,225 INFO L87 Difference]: Start difference. First operand 4941 states and 6958 transitions. Second operand has 17 states, 14 states have (on average 5.714285714285714) internal successors, (80), 12 states have internal predecessors, (80), 5 states have call successors, (20), 2 states have call predecessors, (20), 7 states have return successors, (20), 8 states have call predecessors, (20), 5 states have call successors, (20) [2021-11-12 23:44:08,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:44:08,448 INFO L93 Difference]: Finished difference Result 12188 states and 17526 transitions. [2021-11-12 23:44:08,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-12 23:44:08,449 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 5.714285714285714) internal successors, (80), 12 states have internal predecessors, (80), 5 states have call successors, (20), 2 states have call predecessors, (20), 7 states have return successors, (20), 8 states have call predecessors, (20), 5 states have call successors, (20) Word has length 182 [2021-11-12 23:44:08,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:44:08,520 INFO L225 Difference]: With dead ends: 12188 [2021-11-12 23:44:08,520 INFO L226 Difference]: Without dead ends: 7267 [2021-11-12 23:44:08,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=101, Invalid=711, Unknown=0, NotChecked=0, Total=812 [2021-11-12 23:44:08,546 INFO L933 BasicCegarLoop]: 4333 mSDtfsCounter, 4663 mSDsluCounter, 58163 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 619 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12326.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4976 SdHoareTripleChecker+Valid, 62496 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 140.81ms SdHoareTripleChecker+Time, 619 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12818.93ms IncrementalHoareTripleChecker+Time [2021-11-12 23:44:08,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4976 Valid, 62496 Invalid, 1286 Unknown, 0 Unchecked, 140.81ms Time], IncrementalHoareTripleChecker [619 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 12818.93ms Time] [2021-11-12 23:44:08,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7267 states. [2021-11-12 23:44:09,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7267 to 4941. [2021-11-12 23:44:09,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4941 states, 3738 states have (on average 1.3598180845371857) internal successors, (5083), 3789 states have internal predecessors, (5083), 938 states have call successors, (938), 263 states have call predecessors, (938), 261 states have return successors, (936), 920 states have call predecessors, (936), 934 states have call successors, (936) [2021-11-12 23:44:09,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4941 states to 4941 states and 6957 transitions. [2021-11-12 23:44:09,129 INFO L78 Accepts]: Start accepts. Automaton has 4941 states and 6957 transitions. Word has length 182 [2021-11-12 23:44:09,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:44:09,130 INFO L470 AbstractCegarLoop]: Abstraction has 4941 states and 6957 transitions. [2021-11-12 23:44:09,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 5.714285714285714) internal successors, (80), 12 states have internal predecessors, (80), 5 states have call successors, (20), 2 states have call predecessors, (20), 7 states have return successors, (20), 8 states have call predecessors, (20), 5 states have call successors, (20) [2021-11-12 23:44:09,131 INFO L276 IsEmpty]: Start isEmpty. Operand 4941 states and 6957 transitions. [2021-11-12 23:44:09,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-12 23:44:09,134 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:44:09,135 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:44:09,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:44:09,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:44:09,353 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:44:09,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:44:09,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1311047591, now seen corresponding path program 1 times [2021-11-12 23:44:09,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:44:09,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587194920] [2021-11-12 23:44:09,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:44:09,371 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:44:09,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:44:09,372 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:44:09,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:44:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:44:36,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 7405 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-12 23:44:36,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:44:40,519 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-12 23:44:40,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:44:45,931 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 7 proven. 21 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2021-11-12 23:44:45,931 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:44:45,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1587194920] [2021-11-12 23:44:45,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1587194920] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:44:45,932 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:44:45,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2021-11-12 23:44:45,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180468687] [2021-11-12 23:44:45,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:44:45,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-12 23:44:45,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:44:45,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-12 23:44:45,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-11-12 23:44:45,935 INFO L87 Difference]: Start difference. First operand 4941 states and 6957 transitions. Second operand has 11 states, 10 states have (on average 8.3) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (24), 6 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-12 23:44:49,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:44:49,454 INFO L93 Difference]: Finished difference Result 12179 states and 17512 transitions. [2021-11-12 23:44:49,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-12 23:44:49,455 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.3) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (24), 6 states have call predecessors, (24), 4 states have call successors, (24) Word has length 186 [2021-11-12 23:44:49,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:44:49,515 INFO L225 Difference]: With dead ends: 12179 [2021-11-12 23:44:49,515 INFO L226 Difference]: Without dead ends: 7263 [2021-11-12 23:44:49,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-11-12 23:44:49,538 INFO L933 BasicCegarLoop]: 4367 mSDtfsCounter, 4649 mSDsluCounter, 36833 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1881.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4961 SdHoareTripleChecker+Valid, 41200 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 67.01ms SdHoareTripleChecker+Time, 613 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2132.70ms IncrementalHoareTripleChecker+Time [2021-11-12 23:44:49,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4961 Valid, 41200 Invalid, 673 Unknown, 0 Unchecked, 67.01ms Time], IncrementalHoareTripleChecker [613 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 2132.70ms Time] [2021-11-12 23:44:49,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7263 states. [2021-11-12 23:44:49,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7263 to 4941. [2021-11-12 23:44:49,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4941 states, 3738 states have (on average 1.3595505617977528) internal successors, (5082), 3788 states have internal predecessors, (5082), 938 states have call successors, (938), 263 states have call predecessors, (938), 261 states have return successors, (936), 920 states have call predecessors, (936), 934 states have call successors, (936) [2021-11-12 23:44:49,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4941 states to 4941 states and 6956 transitions. [2021-11-12 23:44:49,935 INFO L78 Accepts]: Start accepts. Automaton has 4941 states and 6956 transitions. Word has length 186 [2021-11-12 23:44:49,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:44:49,936 INFO L470 AbstractCegarLoop]: Abstraction has 4941 states and 6956 transitions. [2021-11-12 23:44:49,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.3) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (24), 6 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-12 23:44:49,937 INFO L276 IsEmpty]: Start isEmpty. Operand 4941 states and 6956 transitions. [2021-11-12 23:44:49,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-12 23:44:49,940 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:44:49,941 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 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] [2021-11-12 23:44:50,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:44:50,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:44:50,156 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:44:50,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:44:50,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1605385226, now seen corresponding path program 1 times [2021-11-12 23:44:50,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:44:50,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1534434937] [2021-11-12 23:44:50,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:44:50,168 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:44:50,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:44:50,169 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:44:50,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:45:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:45:19,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 7416 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:45:19,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:45:24,393 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2021-11-12 23:45:24,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:45:25,818 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2021-11-12 23:45:25,818 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:45:25,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1534434937] [2021-11-12 23:45:25,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1534434937] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:45:25,818 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:45:25,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-12 23:45:25,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684983746] [2021-11-12 23:45:25,819 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:45:25,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:45:25,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:45:25,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:45:25,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:45:25,821 INFO L87 Difference]: Start difference. First operand 4941 states and 6956 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 4 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-11-12 23:45:29,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:45:29,038 INFO L93 Difference]: Finished difference Result 9790 states and 13833 transitions. [2021-11-12 23:45:29,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:45:29,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 4 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 190 [2021-11-12 23:45:29,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:45:29,072 INFO L225 Difference]: With dead ends: 9790 [2021-11-12 23:45:29,072 INFO L226 Difference]: Without dead ends: 4886 [2021-11-12 23:45:29,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:45:29,093 INFO L933 BasicCegarLoop]: 3864 mSDtfsCounter, 6645 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2562.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6645 SdHoareTripleChecker+Valid, 3864 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.53ms SdHoareTripleChecker+Time, 1209 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2978.18ms IncrementalHoareTripleChecker+Time [2021-11-12 23:45:29,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6645 Valid, 3864 Invalid, 1290 Unknown, 0 Unchecked, 15.53ms Time], IncrementalHoareTripleChecker [1209 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 2978.18ms Time] [2021-11-12 23:45:29,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4886 states. [2021-11-12 23:45:29,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4886 to 4886. [2021-11-12 23:45:29,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4886 states, 3695 states have (on average 1.3179972936400541) internal successors, (4870), 3745 states have internal predecessors, (4870), 928 states have call successors, (928), 261 states have call predecessors, (928), 259 states have return successors, (926), 910 states have call predecessors, (926), 924 states have call successors, (926) [2021-11-12 23:45:29,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4886 states to 4886 states and 6724 transitions. [2021-11-12 23:45:29,502 INFO L78 Accepts]: Start accepts. Automaton has 4886 states and 6724 transitions. Word has length 190 [2021-11-12 23:45:29,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:45:29,504 INFO L470 AbstractCegarLoop]: Abstraction has 4886 states and 6724 transitions. [2021-11-12 23:45:29,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 4 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-11-12 23:45:29,505 INFO L276 IsEmpty]: Start isEmpty. Operand 4886 states and 6724 transitions. [2021-11-12 23:45:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-12 23:45:29,508 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:45:29,508 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 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] [2021-11-12 23:45:29,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:45:29,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:45:29,721 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:45:29,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:45:29,722 INFO L85 PathProgramCache]: Analyzing trace with hash 317842808, now seen corresponding path program 1 times [2021-11-12 23:45:29,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:45:29,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115704986] [2021-11-12 23:45:29,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:45:29,731 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:45:29,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:45:29,733 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:45:29,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:45:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:45:59,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 7416 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:45:59,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2021-11-12 23:46:04,561 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:06,169 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2021-11-12 23:46:06,169 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:06,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115704986] [2021-11-12 23:46:06,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [115704986] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:06,170 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:06,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-12 23:46:06,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003313154] [2021-11-12 23:46:06,170 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:06,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:46:06,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:06,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:46:06,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:46:06,171 INFO L87 Difference]: Start difference. First operand 4886 states and 6724 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-12 23:46:07,715 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:46:11,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:11,480 INFO L93 Difference]: Finished difference Result 5502 states and 7623 transitions. [2021-11-12 23:46:11,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:46:11,481 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 190 [2021-11-12 23:46:11,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:11,514 INFO L225 Difference]: With dead ends: 5502 [2021-11-12 23:46:11,514 INFO L226 Difference]: Without dead ends: 5500 [2021-11-12 23:46:11,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:46:11,519 INFO L933 BasicCegarLoop]: 6420 mSDtfsCounter, 3300 mSDsluCounter, 16638 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4632.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3462 SdHoareTripleChecker+Valid, 23058 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 36.42ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4872.98ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:11,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3462 Valid, 23058 Invalid, 233 Unknown, 0 Unchecked, 36.42ms Time], IncrementalHoareTripleChecker [28 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 4872.98ms Time] [2021-11-12 23:46:11,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5500 states. [2021-11-12 23:46:11,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5500 to 4886. [2021-11-12 23:46:11,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4886 states, 3695 states have (on average 1.317726657645467) internal successors, (4869), 3745 states have internal predecessors, (4869), 928 states have call successors, (928), 261 states have call predecessors, (928), 259 states have return successors, (926), 910 states have call predecessors, (926), 924 states have call successors, (926) [2021-11-12 23:46:11,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4886 states to 4886 states and 6723 transitions. [2021-11-12 23:46:11,879 INFO L78 Accepts]: Start accepts. Automaton has 4886 states and 6723 transitions. Word has length 190 [2021-11-12 23:46:11,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:11,880 INFO L470 AbstractCegarLoop]: Abstraction has 4886 states and 6723 transitions. [2021-11-12 23:46:11,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-12 23:46:11,880 INFO L276 IsEmpty]: Start isEmpty. Operand 4886 states and 6723 transitions. [2021-11-12 23:46:11,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-12 23:46:11,892 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:11,893 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 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] [2021-11-12 23:46:12,109 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forcibly destroying the process [2021-11-12 23:46:12,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:12,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:12,111 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:46:12,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:12,112 INFO L85 PathProgramCache]: Analyzing trace with hash 317718908, now seen corresponding path program 1 times [2021-11-12 23:46:12,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:12,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [370998145] [2021-11-12 23:46:12,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:12,127 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:12,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:12,128 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:12,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5795d74-3af0-4768-88a7-8ee03274f70d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process