./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8 --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 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:43:42,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:43:42,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:43:43,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:43:43,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:43:43,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:43:43,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:43:43,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:43:43,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:43:43,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:43:43,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:43:43,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:43:43,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:43:43,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:43:43,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:43:43,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:43:43,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:43:43,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:43:43,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:43:43,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:43:43,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:43:43,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:43:43,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:43:43,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:43:43,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:43:43,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:43:43,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:43:43,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:43:43,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:43:43,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:43:43,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:43:43,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:43:43,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:43:43,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:43:43,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:43:43,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:43:43,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:43:43,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:43:43,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:43:43,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:43:43,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:43:43,078 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:43:43,120 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:43:43,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:43:43,121 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:43:43,122 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:43:43,122 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:43:43,122 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:43:43,122 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:43:43,123 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:43:43,129 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:43:43,129 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:43:43,131 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:43:43,131 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:43:43,131 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:43:43,132 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:43:43,132 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:43:43,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:43:43,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:43:43,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:43:43,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:43:43,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:43:43,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:43:43,134 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:43:43,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:43:43,135 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:43:43,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:43:43,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:43:43,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:43:43,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:43:43,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:43:43,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:43:43,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:43:43,139 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:43:43,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:43:43,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:43:43,140 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:43:43,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:43:43,140 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_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2021-11-07 01:43:43,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:43:43,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:43:43,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:43:43,455 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:43:43,456 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:43:43,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-07 01:43:43,530 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/data/6fc717ed7/2e8d430bdef04025aac97e3b1c02eafa/FLAG3ddfabcd3 [2021-11-07 01:43:44,703 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:43:44,705 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-07 01:43:44,801 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/data/6fc717ed7/2e8d430bdef04025aac97e3b1c02eafa/FLAG3ddfabcd3 [2021-11-07 01:43:44,936 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/data/6fc717ed7/2e8d430bdef04025aac97e3b1c02eafa [2021-11-07 01:43:44,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:43:44,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:43:44,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:43:44,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:43:44,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:43:44,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:43:44" (1/1) ... [2021-11-07 01:43:44,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc0d4a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:44, skipping insertion in model container [2021-11-07 01:43:44,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:43:44" (1/1) ... [2021-11-07 01:43:44,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:43:45,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:43:46,985 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:46,993 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,046 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,047 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,048 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,056 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,057 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,057 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,059 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,717 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,730 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,742 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,753 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,764 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,777 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,786 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,798 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,843 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,855 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,867 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,875 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,883 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,892 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,895 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,909 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,914 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,920 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,954 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:47,982 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,002 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,006 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,010 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,018 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,022 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,025 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,056 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,119 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,152 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,153 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,159 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,161 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,168 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,171 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,176 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,179 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,180 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,185 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,189 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,194 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,197 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,200 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,204 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,206 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,207 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,209 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,211 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,215 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,219 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,219 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,220 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,221 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,224 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,227 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,269 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,273 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,285 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,288 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,297 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,300 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,306 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,307 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,312 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,315 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,318 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,321 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,327 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,333 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,338 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,345 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,353 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,359 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,368 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,378 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,381 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,382 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,388 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,390 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,392 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,395 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,408 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,414 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,421 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,431 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,945 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,974 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,974 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:48,993 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:49,006 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:43:49,927 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-07 01:43:49,932 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-07 01:43:49,933 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_35f6ce42-f8f4-4267-aa0c-461c80904686/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-07 01:43:49,933 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_35f6ce42-f8f4-4267-aa0c-461c80904686/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-07 01:43:49,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:43:49,999 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) [2021-11-07 01:43:50,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4de40700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:49, skipping insertion in model container [2021-11-07 01:43:50,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:43:50,000 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:43:50,002 INFO L168 Benchmark]: Toolchain (without parser) took 5059.75 ms. Allocated memory was 109.1 MB in the beginning and 155.2 MB in the end (delta: 46.1 MB). Free memory was 58.5 MB in the beginning and 72.6 MB in the end (delta: -14.1 MB). Peak memory consumption was 59.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:43:50,003 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 77.6 MB. Free memory was 43.0 MB in the beginning and 43.0 MB in the end (delta: 46.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:43:50,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5055.63 ms. Allocated memory was 109.1 MB in the beginning and 155.2 MB in the end (delta: 46.1 MB). Free memory was 58.3 MB in the beginning and 72.6 MB in the end (delta: -14.3 MB). Peak memory consumption was 59.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:43:50,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 77.6 MB. Free memory was 43.0 MB in the beginning and 43.0 MB in the end (delta: 46.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5055.63 ms. Allocated memory was 109.1 MB in the beginning and 155.2 MB in the end (delta: 46.1 MB). Free memory was 58.3 MB in the beginning and 72.6 MB in the end (delta: -14.3 MB). Peak memory consumption was 59.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5904]: 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_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8 --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 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:43:52,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:43:52,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:43:52,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:43:52,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:43:52,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:43:52,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:43:52,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:43:52,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:43:52,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:43:52,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:43:52,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:43:52,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:43:52,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:43:52,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:43:52,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:43:52,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:43:52,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:43:52,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:43:52,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:43:52,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:43:52,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:43:52,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:43:52,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:43:52,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:43:52,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:43:52,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:43:52,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:43:52,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:43:52,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:43:52,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:43:52,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:43:52,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:43:52,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:43:52,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:43:52,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:43:52,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:43:52,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:43:52,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:43:52,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:43:52,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:43:52,406 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:43:52,459 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:43:52,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:43:52,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:43:52,461 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:43:52,461 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:43:52,461 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:43:52,462 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:43:52,462 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:43:52,462 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:43:52,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:43:52,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:43:52,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:43:52,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:43:52,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:43:52,466 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:43:52,467 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:43:52,467 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:43:52,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:43:52,467 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:43:52,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:43:52,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:43:52,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:43:52,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:43:52,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:43:52,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:43:52,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:43:52,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:43:52,470 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:43:52,470 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:43:52,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:43:52,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:43:52,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:43:52,471 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_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2021-11-07 01:43:52,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:43:52,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:43:52,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:43:52,879 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:43:52,879 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:43:52,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-07 01:43:52,967 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/data/4b73a576f/f97aac6ecfd44324944e1ca9d10ca54b/FLAGe599a1199 [2021-11-07 01:43:54,113 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:43:54,114 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-07 01:43:54,191 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/data/4b73a576f/f97aac6ecfd44324944e1ca9d10ca54b/FLAGe599a1199 [2021-11-07 01:43:54,469 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/data/4b73a576f/f97aac6ecfd44324944e1ca9d10ca54b [2021-11-07 01:43:54,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:43:54,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:43:54,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:43:54,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:43:54,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:43:54,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:43:54" (1/1) ... [2021-11-07 01:43:54,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa97f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:43:54, skipping insertion in model container [2021-11-07 01:43:54,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:43:54" (1/1) ... [2021-11-07 01:43:54,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:43:54,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:43:59,428 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-07 01:43:59,432 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-07 01:43:59,439 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-07 01:43:59,440 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-07 01:43:59,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:43:59,570 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:43:59,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:44:00,330 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-07 01:44:00,330 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-07 01:44:00,331 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-07 01:44:00,332 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-07 01:44:00,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:44:00,385 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:44:00,983 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_35f6ce42-f8f4-4267-aa0c-461c80904686/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-07 01:44:00,983 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_35f6ce42-f8f4-4267-aa0c-461c80904686/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-07 01:44:00,984 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_35f6ce42-f8f4-4267-aa0c-461c80904686/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-07 01:44:00,985 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-07 01:44:00,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:44:01,244 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:44:01,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:01 WrapperNode [2021-11-07 01:44:01,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:44:01,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:44:01,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:44:01,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:44:01,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:01" (1/1) ... [2021-11-07 01:44:01,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:01" (1/1) ... [2021-11-07 01:44:04,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:44:04,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:44:04,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:44:04,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:44:04,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:01" (1/1) ... [2021-11-07 01:44:04,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:01" (1/1) ... [2021-11-07 01:44:04,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:01" (1/1) ... [2021-11-07 01:44:04,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:01" (1/1) ... [2021-11-07 01:44:06,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:01" (1/1) ... [2021-11-07 01:44:06,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:01" (1/1) ... [2021-11-07 01:44:06,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:01" (1/1) ... [2021-11-07 01:44:07,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:44:07,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:44:07,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:44:07,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:44:07,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:01" (1/1) ... [2021-11-07 01:44:07,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:44:07,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:44:07,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:44:07,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:44:07,256 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-11-07 01:44:07,256 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-11-07 01:44:07,256 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-11-07 01:44:07,256 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-11-07 01:44:07,257 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-11-07 01:44:07,257 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-11-07 01:44:07,257 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-11-07 01:44:07,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-11-07 01:44:07,257 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-07 01:44:07,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:44:07,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:44:07,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:44:07,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 01:44:07,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2021-11-07 01:44:07,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2021-11-07 01:44:07,258 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-11-07 01:44:07,259 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-11-07 01:44:07,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:44:07,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:44:07,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 01:44:07,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 01:44:07,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 01:44:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-11-07 01:44:07,260 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-11-07 01:44:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 01:44:07,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:44:07,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:44:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:44:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:44:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-11-07 01:44:07,261 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-11-07 01:44:07,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:44:07,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 01:44:07,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 01:44:07,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 01:44:07,263 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-11-07 01:44:07,263 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-11-07 01:44:07,263 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-11-07 01:44:07,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-11-07 01:44:07,263 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-11-07 01:44:07,263 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-11-07 01:44:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-11-07 01:44:07,264 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-11-07 01:44:07,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:44:07,265 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-11-07 01:44:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-11-07 01:44:07,266 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-11-07 01:44:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-11-07 01:44:07,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:44:07,266 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-11-07 01:44:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-11-07 01:44:07,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:44:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:44:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 01:44:07,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:44:07,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:44:07,268 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-11-07 01:44:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-11-07 01:44:07,268 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-11-07 01:44:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-11-07 01:44:07,269 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-11-07 01:44:07,269 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-11-07 01:44:07,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-07 01:44:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-07 01:44:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 01:44:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 01:44:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 01:44:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 01:44:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-11-07 01:44:07,271 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-11-07 01:44:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-11-07 01:44:07,271 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-11-07 01:44:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-11-07 01:44:07,271 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-11-07 01:44:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-07 01:49:22,673 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0bv32; [2021-11-07 01:49:22,673 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0bv32; [2021-11-07 01:49:22,674 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0bv32; [2021-11-07 01:49:22,674 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0bv32; [2021-11-07 01:49:22,674 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res := 0bv32; [2021-11-07 01:49:22,674 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#5: ldv_switch_0_#res := 0bv32; [2021-11-07 01:49:22,675 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#6: ldv_switch_0_#res := 0bv32; [2021-11-07 01:49:22,675 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0bv32; [2021-11-07 01:49:22,675 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#7: ldv_switch_0_#res := 0bv32; [2021-11-07 01:49:22,675 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#8: ldv_switch_0_#res := 0bv32; [2021-11-07 01:49:22,677 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 01:49:22,678 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0bv32; [2021-11-07 01:49:26,317 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:49:26,317 INFO L299 CfgBuilder]: Removed 21838 assume(true) statements. [2021-11-07 01:49:26,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:49:26 BoogieIcfgContainer [2021-11-07 01:49:26,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:49:26,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:49:26,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:49:26,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:49:26,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:43:54" (1/3) ... [2021-11-07 01:49:26,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff744ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:49:26, skipping insertion in model container [2021-11-07 01:49:26,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:44:01" (2/3) ... [2021-11-07 01:49:26,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff744ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:49:26, skipping insertion in model container [2021-11-07 01:49:26,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:49:26" (3/3) ... [2021-11-07 01:49:26,348 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-07 01:49:26,354 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:49:26,354 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 91 error locations. [2021-11-07 01:49:26,469 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:49:26,479 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 [2021-11-07 01:49:26,480 INFO L340 AbstractCegarLoop]: Starting to check reachability of 91 error locations. [2021-11-07 01:49:26,744 INFO L276 IsEmpty]: Start isEmpty. Operand has 17891 states, 17691 states have (on average 1.2968741167825448) internal successors, (22943), 17782 states have internal predecessors, (22943), 87 states have call successors, (87), 22 states have call predecessors, (87), 22 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-07 01:49:26,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 01:49:26,761 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:26,762 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:26,763 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [dc21041_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION (and 88 more)] === [2021-11-07 01:49:26,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:26,773 INFO L85 PathProgramCache]: Analyzing trace with hash 778897728, now seen corresponding path program 1 times [2021-11-07 01:49:26,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:26,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1925868258] [2021-11-07 01:49:26,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:26,804 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:26,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:26,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:26,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:49:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:31,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 1672 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:49:31,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:31,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:31,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:31,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:31,851 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:31,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1925868258] [2021-11-07 01:49:31,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1925868258] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:31,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:31,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:49:31,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859255882] [2021-11-07 01:49:31,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:49:31,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:31,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:49:31,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:49:31,912 INFO L87 Difference]: Start difference. First operand has 17891 states, 17691 states have (on average 1.2968741167825448) internal successors, (22943), 17782 states have internal predecessors, (22943), 87 states have call successors, (87), 22 states have call predecessors, (87), 22 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:37,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:37,746 INFO L93 Difference]: Finished difference Result 69446 states and 89948 transitions. [2021-11-07 01:49:37,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:49:37,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-07 01:49:37,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:38,074 INFO L225 Difference]: With dead ends: 69446 [2021-11-07 01:49:38,074 INFO L226 Difference]: Without dead ends: 51260 [2021-11-07 01:49:38,377 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:49:38,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51260 states. [2021-11-07 01:49:40,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51260 to 51000. [2021-11-07 01:49:40,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51000 states, 50582 states have (on average 1.2731208730378396) internal successors, (64397), 50675 states have internal predecessors, (64397), 261 states have call successors, (261), 66 states have call predecessors, (261), 66 states have return successors, (261), 261 states have call predecessors, (261), 261 states have call successors, (261) [2021-11-07 01:49:41,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51000 states to 51000 states and 64919 transitions. [2021-11-07 01:49:41,112 INFO L78 Accepts]: Start accepts. Automaton has 51000 states and 64919 transitions. Word has length 60 [2021-11-07 01:49:41,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:41,113 INFO L470 AbstractCegarLoop]: Abstraction has 51000 states and 64919 transitions. [2021-11-07 01:49:41,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:41,114 INFO L276 IsEmpty]: Start isEmpty. Operand 51000 states and 64919 transitions. [2021-11-07 01:49:41,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-07 01:49:41,118 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:41,118 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:41,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:41,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:41,340 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [dc21041_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION (and 88 more)] === [2021-11-07 01:49:41,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:41,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1202312009, now seen corresponding path program 1 times [2021-11-07 01:49:41,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:41,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965764869] [2021-11-07 01:49:41,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:41,357 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:41,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:41,358 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:41,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:49:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:46,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 1704 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:49:46,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:47,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:47,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:47,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:47,286 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:47,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965764869] [2021-11-07 01:49:47,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965764869] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:47,287 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:47,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:49:47,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927687001] [2021-11-07 01:49:47,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:49:47,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:47,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:49:47,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:49:47,289 INFO L87 Difference]: Start difference. First operand 51000 states and 64919 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:55,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:55,682 INFO L93 Difference]: Finished difference Result 199607 states and 254937 transitions. [2021-11-07 01:49:55,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:49:55,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-07 01:49:55,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:56,998 INFO L225 Difference]: With dead ends: 199607 [2021-11-07 01:49:56,998 INFO L226 Difference]: Without dead ends: 148731 [2021-11-07 01:49:57,385 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:49:57,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148731 states. [2021-11-07 01:50:02,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148731 to 147659. [2021-11-07 01:50:03,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147659 states, 146587 states have (on average 1.2729505344948733) internal successors, (186598), 146686 states have internal predecessors, (186598), 783 states have call successors, (783), 198 states have call predecessors, (783), 198 states have return successors, (1731), 783 states have call predecessors, (1731), 783 states have call successors, (1731) [2021-11-07 01:50:04,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147659 states to 147659 states and 189112 transitions. [2021-11-07 01:50:04,871 INFO L78 Accepts]: Start accepts. Automaton has 147659 states and 189112 transitions. Word has length 61 [2021-11-07 01:50:04,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:50:04,872 INFO L470 AbstractCegarLoop]: Abstraction has 147659 states and 189112 transitions. [2021-11-07 01:50:04,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:50:04,872 INFO L276 IsEmpty]: Start isEmpty. Operand 147659 states and 189112 transitions. [2021-11-07 01:50:04,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-07 01:50:04,880 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:50:04,881 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:50:04,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:50:05,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:50:05,104 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [dc21041_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION (and 88 more)] === [2021-11-07 01:50:05,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:50:05,105 INFO L85 PathProgramCache]: Analyzing trace with hash 753679225, now seen corresponding path program 1 times [2021-11-07 01:50:05,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:50:05,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783154987] [2021-11-07 01:50:05,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:50:05,111 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:50:05,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:50:05,117 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:50:05,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f6ce42-f8f4-4267-aa0c-461c80904686/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:50:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:50:09,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 1742 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:50:09,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:50:10,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:10,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:50:10,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:50:10,330 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:50:10,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783154987] [2021-11-07 01:50:10,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783154987] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:50:10,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:50:10,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:50:10,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913863072] [2021-11-07 01:50:10,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:50:10,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:50:10,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:50:10,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:50:10,333 INFO L87 Difference]: Start difference. First operand 147659 states and 189112 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)